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Stainless Steel (Stainless Steel) is a kind of hollow long cylindrical Steel, his scope of application for conveying fluid pipeline, mainly widely used in petroleum, chemical, medical, food, light industry, machinery instrument and other industrial conveying pipeline and mechanical structure components. Stainless steel pipe IS MADE OF acid and heat resistant bilLET, heated, perforated, sizing, hot rolled and CUT.

Stainless steel pipe is used in any industry where corrosion protection is necessary. While stainless steel pipe is essentially alloy pipe by another name, it is not well suited for extreme service unless itâ??s been appropriately heat treated to increase strength and impact resistance.

Due to its aesthetic appeal, stainless steel is often chosen if pipe must be visible in public or professional settings.

Stainless steel sheets/ coils/plates, hot and cold rolled
Grades include: 304, 304L, 304 B, 304 2B, 304 BA

Steel pipes have many different uses in manufacturing. Guardrails are one of the most common uses, providing safety features not only for stairs and balconies, but also for cyclists and pedestrians on the street. In addition., steel tubes can also be used as safety bollards to isolate vehicles and protect people, buildings or infrastructure. Third, steel pipe is also a choice for outdoor site decoration. Finally, many commercial bicycle frames are made of bent steel pipes. This has the advantage that steel's high toughness and strength make it resistant to thieves.
Product name: steel pipe, structure steel pipe;
Standard: ASTM, ASME and API;
Grades: API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80and higher. PSL-1/PSL-2. ASTM A106 Gr. B/C. ASTM A53 Gr. B;
Size: 1/2 inch to 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, and 24 inch for seamless;
Wall thickness: SCH 10, SCH 20, SCH 30, SCH 40, STD, XS, SCH 60, SCH 80, SCH 100, SCH120, SCH160, XXS;
Length Range: 20 FT (6 meter), 40FT (12 meter)or customized;
Ends Type: Beveled ends, Plain ends;
End Protection: plastic Caps or iron Caps;
Surface Coatings: Natural, Varnished, Black painting, 3PP, FBE and 3PE, Cladding and Lined etc.

A seamless steel pipe is a circular pipe having a hollow section and no seams around it. The seamless steel pipe is made of carbon steel, alloy steel, stainless steel ingot or solid tube blank, and then is made by hot rolling, cold rolling or cold drawing. The quality of end product â?? tubes, entirely depends upon both factors â?? quality control during the manufacturing process and the initial condition and quality of raw materials.
Product name: Line line, Seamless steel pipe;
Standard: ASTM, ASME and API;
Grades: API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80and higher. PSL-1/PSL-2. ASTM A106 Gr. B/C. ASTM A53 Gr. B;
Size: 1/2 inch to 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, and 24 inch for seamless;
Wall thickness: SCH 10. SCH 20, SCH 40, SCH STD, SCH 80, SCH XS to SCH 60;
Length Range: 20 FT (6 meter), 40FT (12 meter)or customized;
Ends Type: Beveled ends, Plain ends;
End Protection: plastic Caps or iron Caps;
Surface Coatings: Natural, Varnished, Black painting, 3PP, FBE and 3PE, Cladding and Lined etc.

Galvanized steel pipe mainly used in transmission of coal gas, steam. It was used as water pipe, but after several years past, there were many rust in the pipe, and water get yellow color for carrying iron oxide. The water not only polluted dishes or other sanitary ware, but also carrying bacteria produced in the internal surface which not smooth . As a result of the corrosion, the water contains heavy metal element is too much and is harmful to peopleâ??s health. For this reason, developed countries gradually� banned it using as water pipe since 1960s.


Material Standard: ASTM, ASME and API 5L PSL2;
Size: 1/2 inch to 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, and 24 inch for seamless;
Wall thickness: SCH 10, SCH 20, SCH 30, SCH 40, STD, XS, SCH 60, SCH 80, SCH 100, SCH120, SCH160, XXS;
Length Range: 20 FT (6 meter), 40FT (12 meter)or customized;
Form: Round, Square, Rectangular Etc
Ends Type: Beveled ends, Plain ends;
End Protection: plastic Caps or iron Caps;
Surface Coatings: Natural, Varnished, Black painting, 3PP, FBE and 3PE, Cladding and Lined etc.

Welded steel pipe refers to steel belt or steel plate bending deformation into a round, square and other shapes after welding, surface joints of the steel pipe. The welded steel pipe has lower cost and higher production efficiency than the seamless steel pipe, and the blank used is steel plate or strip steel. Welded steel pipe has strong corrosion resistance in acidic environment.


Welded (ERW, LSAW, SSAW) steel line pipe: 1/2�?�¢?? to 60�?�¢??
Range of Thickness: SCH 10 to SCH 160
Ends Type: Beveled ends, Plain ends
Range of length: 20FT, 40FT or customized
Protection Caps in plastic or iron available
Surface appearances: Natural, Varnished, Black painting, 3PE, FBE, etc

Material Standard: ASTM, ASME and API;
High Temperature Carbon Steel Pipe: ASTM A106 Gr. B/C, API 5L Gr. B, ASTM A53 Gr. B;
Low Temperature Carbon Steel Pipe: ASTM A333 Gr. 3/6;
High Yield Carbon Steel Pipe: API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80and higher. PSL-1/PSL-2;
Form: Round, Square, Rectangular Etc;
Outer Diameter: 20MM~508MM;
Wall thickness: SCH 10. SCH 20, SCH 40, SCH STD, SCH 80, SCH XS, to SCH 160;
Length Range: 20 FT (6 meter), 40FT (12 meter)or customized;
Ends Type: Beveled ends, Plain ends;
End Protection: plastic Caps or iron Caps;
Surface Coatings: Natural, Varnished, Black painting, FBE and 3PE, Cladding and Lined etc.


Material Standard: ASTM, ASME and API;
High Temperature Carbon Steel Pipe: ASTM A106 Gr. B/C, API 5L Gr. B, ASTM A53 Gr. B;
Low Temperature Carbon Steel Pipe: ASTM A333 Gr. 3/6;
High Yield Carbon Steel Pipe: API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80and higher. PSL-1/PSL-2;
Form: Round, Square, Rectangular Etc;
Outer Diameter: 20MM~508MM;
Wall thickness: SCH 10. SCH 20, SCH 40, SCH STD, SCH 80, SCH XS, to SCH 160;
Length Range: 20 FT (6 meter), 40FT (12 meter)or customized;
Ends Type: Beveled ends, Plain ends;
End Protection: plastic Caps or iron Caps;
Surface Coatings: Natural, Varnished, Black painting, FBE and 3PE, Cladding and Lined etc.

Alloy steels are what they sound like: Steels that include specified amounts of alloying elements. Generally, alloying elements make steels stronger and more resistant to impact or stress. While the most common alloying elements include nickel, chromium, molybdenum, manganese, silicon and copper, many others are used in the production of steel.

High-alloy types of steel are favored in the piping industry for service in extreme conditions, whether it be in hot or cold conditions or subject to rough use. Thatâ??s because the combination of chemistry and proper heat treating can yield strong yet ductile pipe that can take a beating. The oil & gas and power generation industries often favor alloy pipe due to its toughness.

According to the American Iron and Steel Institute (AISI), ferrous material is designated as carbon steel when its core makeup is specified to include no more than 1.65 percent manganese, 0.60 percent silicon and 0.60 percent copper and when no minimum content is specified for other alloying elements.

Carbon steel pipe enjoys wide use across many industries due to its strength and ease of workability. Because it contains relatively few alloying elements and in low concentrations, carbon steel pipe is relatively inexpensive.

Material Standard: ASTM, ASME and API;
High Temperature Carbon Steel Pipe: ASTM A106 Gr. B/C, API 5L Gr. B, ASTM A53 Gr. B;
Low Temperature Carbon Steel Pipe: ASTM A333 Gr. 3/6;
High Yield Carbon Steel Pipe: API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80and higher. PSL-1/PSL-2;
Form: Round, Square, Rectangular Etc;
Outer Diameter: 20MM~508MM;
Wall thickness: SCH 10. SCH 20, SCH 40, SCH STD, SCH 80, SCH XS, to SCH 160;
Length Range: 20 FT (6 meter), 40FT (12 meter)or customized;
Ends Type: Beveled ends, Plain ends;
End Protection: plastic Caps or iron Caps;
Surface Coatings: Natural, Varnished, Black painting, FBE and 3PE, Cladding and Lined etc.

Black steel pipe is uncoated steel, also known as black steel. The dark color comes from iron oxide that forms on its surface during manufacturing. When the steel pipe is forged, a black oxide skin is formed on its surface, giving it the finish seen on this type of pipe.

Material Standard: ASTM, ASME and API;
High Temperature Steel Pipe: ASTM A106 Gr. B/C, API 5L Gr. B, ASTM A53 Gr. B;
Low Temperature Steel Pipe: ASTM A333 Gr. 3/6X;
High Yield Steel Pipe: API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80and higher. PSL-1/PSL-2;
Form: Round, Square, Rectangular Etc;
Outer Diameter: 20MM~508MM;
Wall thickness: SCH 10. SCH 20, SCH 40, SCH STD, SCH 80, SCH XS, to SCH 160;
Length Range: 20 FT (6 meter), 40FT (12 meter)or customized;
Ends Type: Beveled ends, Plain ends;
End Protection: plastic Caps or iron Caps;

Seamless steel pipe is a circular pipe having a hollow section and no seams around it. The seamless steel pipe is made of carbon steel, alloy steel, stainless steel ingot or solid tube blank, and then is made by hot rolling, cold rolling or cold drawing. The quality of end product pipes, entirely depends upon both factors quality control during the manufacturing process and the initial condition and quality of raw materials. Seamless steel pipes can be divided into hot rolled seamless pipes, cold drawn pipes, precision pipes, hot expanding pipes, cold spinning pipes and extruded pipes.

Product name: Line line, Seamless steel pipe;
Standard: ASTM, ASME and API;
Grades: API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80and higher. PSL-1/PSL-2. ASTM A106 Gr. B/C. ASTM A53 Gr. B;
Size: 1/2 inch to 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, and 24 inch for seamless;
Wall thickness: SCH 10. SCH 20, SCH 40, SCH STD, SCH 80, SCH XS to SCH 60;
Length Range: 20 FT (6 meter), 40FT (12 meter)or customized;
Ends Type: Beveled ends, Plain ends;
End Protection: plastic Caps or iron Caps;
Surface Coatings: Natural, Varnished, Black painting, 3PP, FBE and 3PE, Cladding and Lined etc.

Galvanized steel pipe USES is very wide, in addition to a general low pressure fluid such as water, gas, oil line pipe, also used as oil industry, especially the ocean oil field oil well pipe, oil pipe, chemical coking equipment of oil heater, the condensing, exchange of coal distillation wash oil cooler for tube, and trestle pile, mining tunnel supporting frame tube, etc. Hot dip galvanized steel pipe is widely used in all kinds of modern manufacturing industry.
Product name: Galvanized steel pipe, steel pipe ;
Standard: ASTM, ASME and API;
Form: Round, Square, Rectangular Etc;
Wall thickness: SCH 10, SCH 20, SCH 30, SCH 40, STD, XS, SCH 60, SCH 80, SCH 100, SCH120, SCH160, XXS;
Outer Diameter: 20MM~508MM;
Length Range: 20 FT (6 meter), 40FT (12 meter)or customized;
Ends Type: Beveled ends, Plain ends;
End Protection: plastic Caps or iron Caps;
Surface Coatings: Natural, Varnished, Black painting, 3PP, FBE and 3PE, Cladding and Lined etc.

Carbon steel pipe is a kind of long steel which is made of ingot or solid round steel by perforation, and then hot rolled, cold or cold drawn. The steel pipe has a hollow section and is primarily made for the transportation of products including fluids, gas, pellets, powders, and more, such as oil, natural gas and water. Typical carbon steel pipe material grades in API 5L Grade B, X42 to X70, ASTM A106 B, ASTM A53 B, ASTM A252 Grade 3 and ASTM A333 Grade 6 etc.

Product name: Line line, Seamless steel pipe API 5L;
Standard: ASTM, ASME and API;
High Temperature Carbon Steel Pipe: ASTM A106 Gr. B/C, API 5L Gr. B, ASTM A53 Gr. B;
Low Temperature Carbon Steel Pipe: ASTM A333 Gr. 3/6;
High Yield Carbon Steel Pipe: API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80and higher. PSL-1/PSL-2;
Form: Round, Square, Rectangular Etc;
Size: 1/2 inch to 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, and 24 inch for seamless;
Wall thickness: SCH 10, SCH 20, SCH 30, SCH 40, STD, XS, SCH 60, SCH 80, SCH 100, SCH120, SCH160, XXS;
Length Range: 20 FT (6 meter), 40FT (12 meter)or customized;
Ends Type: Beveled ends, Plain ends;
End Protection: plastic Caps or iron Caps;
Surface Coatings: Natural, Varnished, Black painting, 3PP, FBE and 3PE, Cladding and Lined etc.

Zhonghengweiye cocoa powder are from African and South American cocoa beans with most of the fat removed and ground to a fine powder and with much richer color and mellower flavor and better solubility to meet your production demands.
General Information
Product Name Zhonghengweiye cocoa powder
Appearance free flowing light brown,brown, dark brown,blackish brown and black fine powder
Intended Use used in the production of chocolate& confectionery,bakery,ice cream...
Physical and Chemical Parameters
PH Value 5.0-5.8,6.0-7.0;6.8-7.2;7.2-8.0;8.0-9.0
Fat Content 10% min
Moisture 5% max
Ash 12% max
Fineness 99.5% min through 200 meshes sieves
Microbiological Data
Total Plate Count 5000cfu/g max
Yeast Count 50cfu/g max
Mould Count 50cfu/g max
Enterobacteriaceae Absent/g
Salmonella Absent/25g
Packaging Multi-kraft Paper bag with PE sheet and separate inside PP bags of 25kg net weight
Max Loading Quantity 15mt/20'fcl
26mt/40'fcl
Storage Conditions Stored in a cool dry place away from odours, water and heat. It is recommended to:
. Store in areas of low humidity, best under 65%.
. Store at relatively cool temperatures, preferable maximum 25.
. Keep free from foreign odours such as spices, chemicals.
Shelf Life 24 months

Pure collagen from american, package are new and good.

Not too much in storage, if you want, please contact with me asap.

Carbon steel seamless pipe is a kind of long steel with hollow cross section and no joint around. It has a hollow cross section, a large number of used for conveying fluid pipelines, such as conveying oil, natural gas, gas, water and some solid materials pipelines.
Compared with solid steel such as round steel, carbon steel seamless pipe has the same bending and torsional strength and is light in weight. It is an economic cross-section steel, widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipe, automobile drive shaft, bicycle frame and steel scaffolding used in construction, etc.


Product name: Line line, Seamless steel pipe API 5L;
Standard: API 5L PSL2;
Grades: B, X42, X52, X56, X60, X65, X70 and S (S for sour service, for example X70QS or NS);
Size: 1/2 inch to 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, and 24 inch for seamless;
Wall thickness: SCH 10, SCH 20, SCH 30, SCH 40, STD, XS, SCH 60, SCH 80, SCH 100, SCH120, SCH160, XXS;
Length Range: 20 FT (6 meter), 40FT (12 meter)or customized;
Ends Type: Beveled ends, Plain ends;
End Protection: plastic Caps or iron Caps;
Surface Coatings: Natural, Varnished, Black painting, 3PP, FBE and 3PE, Cladding and Lined etc.

Carbon steel pipe fitting is one of the most widely used pipe fitting products. The main material is Q235,20#,35#,45#, 16Mn. The main products include carbon steel elbow, carbon steel flange, carbon steel tee, carbon steel reducing pipe (size head), carbon steel head (cap) and so on. The main implementation standards include national standard, American standard, Japanese standard, which also includes the Ministry of Chemical industry standards, Sinopec pipe fitting standards, power pipe fitting standards.

It is widely used in aviation, automobile, shipbuilding, mining machinery, agricultural machinery, construction, textile and boiler manufacturing. Cold drawing, welding, extrusion and hot rolling are the methods of producing special-shaped tubes. Compared with the circular tube, the special-shaped tube generally has larger moment of inertia and section modulus, and has greater bending and torsion resistance, which can greatly reduce the weight of the structure and save steel.

The molten metal reacts with the iron matrix to produce an alloy layer, so that the matrix and the coating are combined. Hot dip galvanized steel pipe is first pickling, in order to remove iron oxide on the surface of the steel pipe, after pickling, through ammonium chloride or zinc chloride aqueous solution or ammonium chloride and zinc chloride mixed aqueous solution tank for cleaning, and then into the hot dip plating tank. Hot dip galvanizing steel pipe has the advantages of uniform coating, strong adhesion and long service life. Most of the processes in north China are zinc plating with direct coil pipe.

Material Standard: ASTM, ASME and API 5L PSL2;
Size: 1/2 inch to 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, and 24 inch for seamless;
Wall thickness: SCH 10, SCH 20, SCH 30, SCH 40, STD, XS, SCH 60, SCH 80, SCH 100, SCH120, SCH160, XXS;
Length Range: 20 FT (6 meter), 40FT (12 meter)or customized;
Form: Round, Square, Rectangular Etc
Ends Type: Beveled ends, Plain ends;
End Protection: plastic Caps or iron Caps;
Surface Coatings: Natural, Varnished, Black painting, 3PP, FBE and 3PE, Cladding and Lined etc.

Cold galvanized is electric galvanized, galvanized amount is very little, only 10-50g/m2, its own corrosion resistance is much different than hot galvanized steel pipe. Regular galvanized steel pipe manufacturers, in order to ensure quality, most do not use galvanized (cold plating). Only those small enterprises with obsolete equipment use electrogalvanizing, of course, their price is relatively cheaper. In the future, it is not allowed to use cold galvanized steel pipe as water and gas pipe.

Material Standard: ASTM, ASME and API 5L PSL2;
Size: 1/2 inch to 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, and 24 inch for seamless;
Wall thickness: SCH 10, SCH 20, SCH 30, SCH 40, STD, XS, SCH 60, SCH 80, SCH 100, SCH120, SCH160, XXS;
Length Range: 20 FT (6 meter), 40FT (12 meter)or customized;
Form: Round, Square, Rectangular Etc
Ends Type: Beveled ends, Plain ends;
End Protection: plastic Caps or iron Caps;
Surface Coatings: Natural, Varnished, Black painting, 3PP, FBE and 3PE, Cladding and Lined etc.