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ASME B16.9 Butt Weld Eccentric Reducer
Seamless eccentric reducer for butt welding
Sch40 (Std) weight wall thickness
Made of black ASTM A234 WPB carbon steel Material
Conforms to the ASME B16.9 standard for butt weld fittings.

admin@jsfittings.com

+8618003119682

Key applications include:
1. Sewage and Wastewater Systems: Employed to prevent the buildup of air pockets and facilitate smooth flow in sewage and wastewater pipelines.
2. Pumping Systems: Integrated into pump discharge lines to prevent air entrapment and ensure efficient operation.
3. Slurry Transport: Used in pipelines transporting abrasive slurries, where air pockets can cause blockages or pump cavitation.
4. Chemical Processing: Utilized in chemical plants for applications requiring controlled fluid flow and avoidance of air pockets.

Fitting Type: Butt Weld Eccentric Reducer

Connections: Butt Weld Ends (ASME B16.25 Beveled)

Standards: ASME B16.9, GOST 17378
Material: ASTM A234 WPB Carbon Steel (Seamless), Stainless Steel, Alloy Steel

admin@jsfittings.com

+8618003119682
Butt Weld Eccentric Reducer | A234 WPB Carbon Steel Pipe Fittings

A buttweld eccentric reducer is a type of pipe fitting used to connect two pipes of different diameters while maintaining the same bottom line. Unlike concentric reducers, which are symmetrical, an eccentric reducer has an edge parallel to the connecting pipe, making it ideal for applications where air pockets or drainage are concerned.



Key Specifications

Fitting Type: Butt Weld Eccentric Reducer


Connections: Butt Weld Ends (ASME B16.25 Beveled)


Standards: ASME B16.9, GOST 17378


Material: ASTM A234 WPB Carbon Steel (Seamless), Stainless Steel, Alloy Steel



Technical Specifications

Specification Details
Product Name Butt Weld Eccentric Reducer
Size Range 1/2â?³ to 48â?³ (DN15 â?? DN1200); Larger sizes available
Wall Thickness Sch 10, Sch 20, Sch 40 (STD), Sch 80 (XS), Sch 160, XXS (2mm-32mm)
Manufacturing Seamless (up to 24â?³) & Welded (Large Diameter)
Surface Treatment Black Paint, Anti-rust Oil, Galvanized, or Pickled

Material Grades Available


Carbon Steel: ASTM A234 WPB (Standard for high-temp), ASTM A420 WPL6 (Low-temp).

Stainless Steel: ASTM A403 WP304/304L, WP316/316L (Chemical/Water treatment).

Alloy Steel: ASTM A234 WP11, WP22, WP5, WP91 (High-pressure/High-temp).

Duplex Steel: ASTM A815 UNS S31803, S32205.


Comparison: Concentric vs. Eccentric Reducer

Concentric Reducer: Centerline remains consistent. Used when fluid flow is relatively uniform and pressure drop is minimized.


Eccentric Reducer: One side is flat (maintains bottom/top alignment), preventing cavitation. Ideal for constant flow or gravity feed.


Carbon steel Buttweld Concentric vs. Eccentric Reducers


Why Choose Our Butt Weld Eccentric Reducers?


Optimized for Pump Suction: Prevents air bubble accumulation, eliminating cavitation risks.

Robust Leak-Proof Connections: Butt weld bonds ensure structural integrity under high pressure and vibration.

Precision Beveling: Machine-beveled ends (ASME B16.25) ensure faster, cost-effective field welding.

Rigorous Quality Testing: Includes Hydrostatic testing, NDT (UT, RT, MT), and PMI material verification.



FAQ

Q: When should I use an Eccentric Reducer instead of a Concentric one?

A: Use in horizontal piping systems, specifically at the pump suction side to prevent air traps.


Q: Do you supply seamless eccentric reducers?

A: Yes, seamless up to 24 inches; larger diameters are welded with X-ray inspection.




Ready to Order?

Get a competitive price for your project today.


Email: admin@jsfittings.com

The aluminum fins are embedded in a spiral groove about 0.25~0.5mm deep on the surface of the steel pipe, while the metal extruded from the spiral groove is rolled back to the fin root. This specialized manufacturing process is a hallmark of high-performance G finned tubes.

The biggest advantage of this G fin tube is that it has good thermal performance, the working temperature can reach 350-400, and the fin temperature can reach 260, and the maximum use temperature of G type finned tube is 350 as stipulated in GB/T 15386-94, the national standard of air cooler.

The disadvantage is that the fins and tubes of the two metals in the atmosphere are prone to electrochemical corrosion, poor corrosion resistance and high cost. The tube wall has stress concentration and cannot be used for medium and high pressure applications. If the pressure is not squeezed well (the edge of the spiral groove is not close to the aluminum sheet), its heat transfer performance is worse than any finned tube.

G-Type finned tubes, also known as grooved finned tubes or embedded-fin tubes, are one of finned tube types where the "G" stands for grooved. These tubes are formed by twisting a fin strip, typically made of copper or aluminium, into a machined groove on the outer surface of the tube. The fin strip is then back-filled to securely lock it in place, ensuring a tight fit. The base tube material is completely surrounded and filled by the fins.

The specific materials, dimensions, and groove designs of G finned tubes can vary depending on the application requirements and operating conditions. Factors such as fluid characteristics, operating temperature, and pressure influence the selection of materials to ensure optimal heat transfer performance.

In summary, G-Type finned tubes are a robust and effective solution for high-temperature heat transfer applications. Their grooved design and secure locking mechanism provide strength and durability, enabling efficient heat exchange and contributing to overall system performance.

Why G-type Finned Tube?
Grooved finned tubes offer several advantages. The grooved design significantly increases the surface area of the tube, enhancing heat transfer efficiency. These G type fin tubes provide excellent strength and durability, making them suitable for applications requiring high-temperature heat transfer. The tight fit of the fins ensures efficient heat dissipation or absorption.

Grooved finned tubes are typically made of materials like copper or aluminium. The selection of the material depends on factors such as the application requirements, operating temperature, and compatibility with the working fluid.

The grooved design of the fins increases the surface area of the tube, allowing for better heat transfer. This enhanced surface area facilitates efficient heat dissipation or absorption, leading to improved overall heat transfer performance.

Non sparking single open end wrench
Non sparking single open end wrench

HEBEI ZHOUFANG SAFETY TOOLS� is a manufacturer specializing in non-sparking (explosion-proof) hand tools.
Our range covers wrenches, pliers, hammers, sockets, pry bars and maintenance accessories - a complete lineup for one-stop sourcing in hazardous areas.
Product Range
Wrenches & Spanners,Open end, double box/ring spanner, striking/slugging wrench, adjustable wrench, pipe wrench, sockets
Pliers:,,,,Combination pliers, long nose, water pump, pipe wrench, bolt cutters
Hammers:,,,,Ball pein, sledge, club hammer, rubber and wooden mallets
Others:Pry bars, chisels, screwdrivers, scrapers, tool boxes and sets
Tools are forged in one piece from aluminium bronze (AlBr) or beryllium copper (BeCu), with no welding or joints. They produce no ignition sparks when struck, scraped or dropped, and are suitable for refineries, gas plants, chemical facilities, mines, offshore platforms, ship engine rooms, ammunition stores, and flour or grain dust-handling environments.
We offer configurable sets to match your site requirements, OEM branding, custom sizes on request, and supply each order with a certificate of conformity and material test report. Third-party inspection available.

HEBEI ZHOUFANG SAFETY TOOLS

We are Cangzhou Haoyuan Pipe Fittings MFG CO.,LTD, a leading pipe fitting and pipe manufacturers in China, can offer you the top products design, good quality fittings.
Our main production line is

1)pipes:seamless steel pipes, Casing pipe, ERW steel pipe,SSAW steel pipe, Anticorrosion steel pipe
2)steel Seamless Butt Welded Pipe Fittings (Elbow, Reducing and Equal Tee,Eccentric and Concentric
Reducer,Caps,Bend,Cross,return),produce strict as per GB12459,GOST17375/17376-2001, ASME/ANSI B16.9/16.28, DIN 2605/2615/2616/2617,JIS B2311/2312/2313,
EN10253.......)
3)flanges:according to ASTM / DIN / JIS / BS / GB and so on

1. Product name: ERW/LSAW steel pipe
2. OD: 17-1200mm
3. WT: 4-20mm
4. Length: 5.8-11.8m or as the client's requirement
5. Standard: GB/T13793,GB/T14291,GB/T3091,ASTM A53,ASTM A135,ASTM A513,ASTM A671,DIN 1626,EN 10217,BS1387
6. Material: Q235,Q345,20#,A106,A53,A500,ST37,ST52,S235,S275,S355
7. Application: chemical fertilizer pipe, fluid delivery,container skeleton,machinery,construction industry,etc.
8. Productive technology:erw/lsaw
9. Packaging: painting,oil,packed by steel strip into bundles
10. Payment: L/C,T/T
11. Delivery time:15-30 days or as the quantity
12. Port: Xingang,China
13. Trade terms: FOB,CIF,CFR
14. MOQ:10 tons
15. Productivity: 6000 tons/month.

Down lead clamp for tower

The down lead clamp is used in rivet the fiber when jumping or down lead , and it was commonly installed every 1.5 to 2 meter each set.

Flanged Hard-Seal Gate Valve
Metal Seated Gate Valve for High Pressure & Temperature | Flanged Gate Valve Supplier

The Flanged Hard Seal Gate Valve is a heavy-duty industrial valve designed for reliable shut-off in high-pressure and high-temperature pipeline systems. Featuring a metal-to-metal sealing structure, this valve ensures excellent durability, wear resistance, and long service life in demanding environments.

With a full bore design and flanged connection, it provides low flow resistance and stable sealing performance, making it ideal for water, oil, gas, steam, and industrial fluid control systems.
Standards & Certifications

Our  gate valves  are manufactured in compliance with international standards:
 Design Standard: API 600 / GB/T 12234


 Face to Face: GB/T 12221 / EN 558


 Flange Standard: ANSI B16.5 / DIN / BS


 Test & Inspection: API 598 / GB/T 13927

Product Features and Advantages
Pressure and wear resistant, adaptable to harsh working conditions : The metal-to-metal sealing structure is wear resistant, high temperature resistant, and high pressure resistant, making it suitable for oil, gas, steam, corrosive media, etc.
Long service life and reliable sealing : Even after long-term operation, the metal sealing surface wears slowly and can still maintain good sealing and pressure resistance.
�·�  � Wide range of pipe diameters and pressure ratings : capable of producing pipes from small diameters to large diameters, and multiple pressure ratings (PN/Class) to meet various industrial design requirements.
Compatible with a variety of materials and standards : carbon steel, stainless steel, alloy steel, ductile iron and other materials are available, and it supports DIN / ANSI / API / GB and other standards.

Size Specifications and Standards

Wide range of specifications are available, from small DN 50-100 to large DN 600+, all customizable.
Pressure ratings cover PN10 / PN16 / PN25 / higher (depending on material and structural design).
 Flange connections meet international standards such as ANSI, DIN, BS, and API , and are compatible with international projects.

Functions and Applications

Hard-seal gate valves are mainly used in: oil and gas pipelines, petrochemical plants, high-pressure steam systems, industrial chemical pipelines, high-temperature and high-pressure systems, power plant steam pipelines, heavy industrial conveying systems, and other scenarios. They are particularly suitable for systems requiring high pressure, high temperature, wear resistance, corrosion resistance, and long-term stable operation.

Categories Carbon Steel Pipe Tees
Brand JS FITTINGS
Model JS-T
Brand JS FITTITNGS
Smaller size than DN 600 Seamless
Bigger than DN 600 welded
Color primary color
Type Equal Tee, reducing tee
Thickness STD/XS/SCH20-160 and 2mm-50mm, etc.
FOB port Tianjin XinGang, Qingdao, shanghai, Shenzhen, Guangzhou, Yiwu
� 
Service of JS FITTINGS
� 
JS FITTINGS is Credible, Trustworthy and Sincerely to Customer
� 
1. All orders will be treated carefully by sales department, production department, testing department, packaging department and transportation department.� 
2. After signing the contracts, JS won't change the price during the valid time even the material cost increases a lot.
3. Reasonable demands will be acceptable without additional cost.

We supply kinds of Helical Steel Pipe and Carbon Steel Seamless Pipe, special design available according to your requirements! Choose us, you can be get most careful and thoughtful service!
We also provide Seamless steel pipe, Square Steel Pipe, Carbon Steel Pipe Cap, bend Pipe
SSAW carbon schedule 40 steel pipe:
COMMODITY SSAW Welded steel pipes
DIMENSION 100-3000 MM
THICKNESS 5-50MM
LEMGTH 3-12M or customized
MATERIAL Q195 Q215 Q235 Q345 20# 10#
STANDARD ASTM GB BS DIN EN
PAYMENT T/T. L/C
TRADE TERMS FOB/CFR/CIF/EXW
MIN QUANTITY 3 Ton
DELIVERY TIME Within 15-30 after deposit
END TREATMENT plain/beveled/threaded with sockets/coupling and plastic caps/flange
SURFACE TREATMENT 1. bared
2. black painting(black varnish)
3. transparent oil4.hot galvanized
INSPECTION hydraulic testing, infrared test
PACKAGE 1. bundle
2. in bulk
3. bags
4. according to clients' requirements
APPLICATION mechanical&manufacture, oil, gas, steel structure, ship building, bridging, automobile etc.
NOTICE 1. special design available according to your requirements,
2. anti-corrosion and high-temperature resistant with black painting

Pipe fitting

And selling pipe fittings and
Forging steel flanges.
Details as follows:
Products: butt-weld pipe
Fitting , for example
Elbows, tees, reducers, caps
Flanges , bends.
Sizes: 1/2ís---48ís
Material:carbon steel.
Standard:ansi, din, jis, bs, uni
Hope that we can cooperate

1.Product catalogue: elbows, tees, reducers, caps, bends, nipples and flanges
2.Size: from 1/2" to80"
3.Angles: 45 deg, 90 deg, 180 deg
4.Thickness:sch20, sch30, sch40, std, sch80, sch100.Sch120, sch160.Xxs
5.Standard:ansi, asme, din, jis, bs, gb
6.Material: carbon steel (seam & seamless)
7.Packing : wooden cases & pallets
Special design available as the requirements of customer



Wooden cases & pallets

1.Product catalogue: elbows, tees, reducers, caps, bends, nipples and flanges
2.Size: from 1/2" to80"
3.Angles: 45 deg, 90 deg, 180 deg
4.Thickness:sch20, sch30, sch40, std, sch80, sch100.Sch120, sch160.Xxs
5.Standard:ansi, asme, din, jis, bs, gb
6.Material: carbon steel (seam & seamless)
7.Packing : wooden cases & pallets
Special design available as the requirements of customer


Wooden cases & pallets

Pipe fittings

Wespecializes in producing different kinds of pipeline parts , such as high and low pressure elbows , reducers , straight and reducing outlet tees , caps .Our prodcuts are widely used in petrol, chemical industry, heat feed, pharmacy, construction, shipbuilding and so on

Our products catalogueíOo
Size 1/2¡íÑ¡íÑ~72¡íÑ¡íÑ
Thickness SCH10~SCH160 / STD / SGP / XS / XXS
Standard ASTM / JIS / DIN / BS / GB and so on
Material Carbon steel (seam & seamless) ASTM A234 A105 WPB
Packing Wooden cases, wooden pallets and as customers request
Product catalogue Elbows, Tees, Concentric and Eccentric reducers, Pipe Caps, Bends, Flanges and Socket Elbow.
Used in Chemical, petrochemical, gas, ship building, fire control industry and so on
Factory Location Mengcun County, Cangzhou City, Hebei province, China.
Certification ISO9001.

Wooden cases, wooden pallets and as customers request.

Uses: steel pipes used in pipeline transportation system in the petroleum and natural gas industries.
Grades:PSL1:L245 or B- L485 or X70
PSL2:L245N or BN- L415N or X60N,
L245Q or BQ - L555Q or X80Q, L245M or BM -
L555M or X80M.
Process of manufacture: Seamless/ Welded
Dimension: OD: 33.4 - 1422M

Company Hebei Borun Steel Trade Co., Ltd
Product Name Galvanized steel pipe
the galvanized steel pipeline zinc finish: Pre-galvanized: Z80-120g/ m2;
Hot dip galvanized: Z230-500g/ m2.
Production Standard BS1387, ASTMA53/A106/500,API 5L,GOST8731/8732, G3457,EN10255/10219, GB/T13912, EN39, EN ISO 1461, DIN2391, IS2062, AS/NZ 4680
Steel grade A106, A53, A179, A192, Q195/Q215/Q235/Q345, ST37/44/52, S355, S235, S275 and so on
O.D 1/2-24â?³( 21.3mm-610mm)
W.T SCH10, SCH30, SCH40, STD, XS, SCH80, SCH160, XXS etc.
Zinc Coating Pre-galvanized type: 60-150g/m2 â?? Hot-dipped galvanized type: 200-500g/m2 â?? Cold-dipped galvanized type: 10-50g/ m2
Ends thread( screw) with coupling; plain; beveled
MOQ 10 Ton
Payment term T/T,L/C
Application 1. For reduced pressure liquid shipment such as water, gas and oil 2. For building and construction, e.g building greenhouse

The main production equipments of company include:a¦Õ180 automatic pipe rolling line,3 sets of hot rolling-piercing mills,16 interactive double-rod cold-drawing machines and a number of automatic rotary pointer,straightening machines,water-free annealing furnacesand auxiliary production equipments for surface acid pickling and coating etc. Its physical and chemical labs can conduct various physical and chemical tests and experiments for steel pipes,and are equipped with eddy current flaw detectors,leakage fault detection and ultrasonic crack detectors etc. for high,medium and low pressure seamless steel pipes and petroleum casing pipes with a full its main products include8 series:seamless steel pipes for use in low and medium pressure boilers,petroleum casing pipes,ships,fluid conveyance,petroleum cracking,chemical fertilizer equipments,structures,and hollowpumping rods.It can produce seamless steel pipes according to the standards such as GB ASTM API 5L API 5CT DIN and JIS.Its products have been sold around China and exported to over dozens of countries and regions in the world such as Southeast Asia,the Middle East, Europe and America etc., enjoying the very high prestige in the domestic and foreign markets.


sch40 sch80 6M

ASTM A106 pipe (also covered in ASME specifications as S/A 106) is the standard specification for seamless carbon steel pipe for high-temperature service. Most common uses are in refineries and plants when gasses or fluids are transported at high temperatures and pressures. HebeiChongsheng Special Steel Pipe CO., Ltd. is a world leader in the supply of A106 / SA 106 pipe and stocks a full range of grades B/C in a size rage of NPS 1/8" to NPS 48", with nominal (average) wall thickness as given in ANSI B36.10. Pipe having other dimensions may be furnished provided such pipe complies with all other requirements of this specification*. Pipe ordered under this specification shall be suitable for bending, for flanging, for welding, and for similar forming operations. A full range of A106 stock is available in Schedules 10 through 160, STD, XS, XXS. Unscheduled wall thicknesses available up to 4 inches.


sch40 sch80 6M

1 shape:round
2 od:20-400mm
3 wt:0.5-20mm
4 length:2-12m


Packaging detail: 1) in bundle with strip; 2) first packing by plastic bag then strip; details packing please see the picture in the detial description. 3) in bulk 4)client' requirements delivery: 1) container: 25 tons/container for pipe with usual outer diameter. For 20" container the max length is 5.8m; for 40" container the max length is 11.8m. 2) bulk carrier: it is no requirements to the length of the pipe. But its booking space time is long.

1) dimensions: 21.3--630mm
2) thickness: 0.6 - 25mm
3) surface bared or black painted, galvanized or with oiled or request


Astm, asme, din, gb, jis, asni, bs, api

We supply high quality drill pipes. These drill pipes are API 5D certified and dependable. The grades of our drill pipes include E, X-95, G-105, S-135. And X-95, G-105 and S-135 are high strength grades of drill pipes.

Type:elbows/reducer/tee/cap
Size: from 1/2" to 48"
Wall thickness: sch20-sch160, xxs
Standard: iso, ansi, jis, din, gb
Material: carbon steel, alloy steel, stainless steel carbon steel pipe fittings
Applications:oil, gas, chemical industry, water conservancy, electric power, boiler, machinery, metallurgy, sanitary construction etc.
Productivity :50000t/y



Plywood cases , wooden pallet plastic bag or as per customers requirement

1:u type design.Improve the drain effect
2:made of polymer concrete.Long working life.Can be recycle and easy to install

12-15pieces/wooden pallet

Steel pipe.

ASME B 16.9/16.28 , DIN26052615/2616/2617, JIS.


1000mm x 1000mm x 1000mm.

Pipe fittings series:
Size:seamless 1/2''-24'' welded:24''-96''
Standard:asme b16.9 en10253 din2605 jis b2311 etc.
Type:seamless and welded lr&sr elbow, equal&reducing tee, concentric&eccentric reducer, cap, special fittings acc. To drawings.
Thickness:sch5s-xxs
Material:q235, a234, a403, a420, 16mn, 304/304l, 316/316l, 317l, etc.


Wooden box, pallet.

Seamless steel pipe, welded pipe, erw pipe, lsaw pipe, ssaw pipe, galvanized pipe.


Bundled, beveled/plain/npt end, plastic cap end, painted.

The main products of cangzhou yicheng steel pipe manufacture co., ltd are seamless carbon steel pipes. The standards are astm a106 grade b, astm a53 grade b and api 5l. Tubing and casing api 5ct. The pipes which manufactured by us can be used for petroleum industry and other industries such as in petroleum refineries and oil fields, petroleum cracking, oil transport, high pressure boilers, medium and low pressure boilers, fluid pipes, special pipes for fertilizer making, structural pipes, hydraulic support pipes and so on.

Our company has seven SSAW Pipe (also called spiral welded pipe) manufacturing lines. The annual output reaches 300000 Tons; the outside diameter is 219mm-3500mm, the thickness is 6mm-25.4mm, the steel grade is Q235B, Q345B, 20#, GRB, X42, X52, X60, X65, X70, X80, A106B, A53B. Our products have been widely used in many industries, such as Petroleum Projects, Coal Gas Projects, Natural Gas, Piling, Water Supply and Thermal Power Generation. Meantime, we have attained ISO9001:2000 International Quality Management System certification, API 5L ps1 -psl 2Certification, GB/T9711.1-1997 and SY/T5037-2000 ASTM A252, SY/T5040-2000 and so on.

IItem : elbow 45/90/180,tee,cross, concentric reducer, eccentric reducer, lap joint stub end, pipe cap, flange
Material : stainless steel, carbon steel, alloy steel, some special
Standard : ANSI,ASME ,API 5L,DIN, JIS ,BS ,GB or produce according to drawings
Wall thickness : sch5-sch160,XS,XXS,STD
Size : 1/2¡±-100¡±
Applications range : Chemical, petrochemical plants, nuclear power stations, paper mills, shipyards, gas processing plants, water treatment plants and others.
Surface
treatment : Shot blasted, rust-proof black oil,3PE
Radius of curvature
1D-10D
Certificates : ISO-9001:2000,API,CCS,CE,TUV.


1.Material:stainless/carbon steel,some special
2.Size:1/2"-48"
3.Wall thickness:sch5-sch160 XS XXS STD
4.High quality and competitive price.

88.9 mm - 610 mm high-frequency straight seam welded steel pipe ( ERW ) .

According to the customer requirment.

Steel pipes.

The company have two ª+18-ª+426ERW straight welding steel pipes producing line , ª+219-ª+2032 double thread, two doudble-side spiral submerged arc steel pipe producing line and one piercing seamless steel pipe producing line. A variety of steel pipes sizes and models are produced. Our annual production capacity is 500,000 metric ton and yearly turnover is more than 1.2 billion yuan. The advanced American Lincoln automotive welding instrument and German steel pipe production equipment improve our company with high scientific& technological content and advanced process technology. We can produce all kinds of steel pipes of Q235, Q245 and X40-X70 based on SY,GB,API Apec 5L and API Spec 5CT standards. The application fields of ourproducts are petroleum, coal gas ,natural gas and heating power station, etc.

We are a supplier specialized in spiral steel pipes straight steel pipes and with API certification and so on various carbon steel pipes.

Besides the 1st class quality, we can also supply the most competitive price in China. If you are interested PLS contact us freely and we are confident to initiate our long-term cooperation on the basis of our Supreme predominant products and Credit.

Expect our cooperation in the near future and your early reply will be appreciated.

OD:219mm-3020mm
Wt: 6mm-25.4mm



API 5L PSL1
Q235,Q345,X42-X70
L245--L360

Steel pipe

1. Type: elbow, tee, reducer, cap, and cross, etc.
2. Dimension: ansi b16.9, mss-sp-75, iso3419, jis2311/2312/2313, din2605/2615/2616/2617, etc.
3. Size: from 1/2" to 80"
4. Material: carbon steel, alloy steel, stainless steel to astm a234, a403, a420


No

We can supply seamless pipe, size20-820mm, thk2-40mm, we can acc to gb/t8163-1999 gb/t8162-1999 gb/t3087-1999 astm a106/a53 gr.B api 5l etc, if you need, pls connect to me, i will give you the best price and best service.

In bundle