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Weight: 100-300 KG, customized

Features: Cleaned surface of internal and external, evenly structured, high precision of size, easy to weld, good formability.

Applications: Used in Air-conditioner, Heat-Exchanger of Refrigeration industry and pipeline system connection.

Hot dip galvanizing is a cost-effective, long-lasting and effective method in the mechanical industry.
Hot-dip galvanizing method is currently one of the methods to protect materials against corrosion by natural conditions with extremely low maintenance costs.
We provide service hot-dip galvanized, ensuring sufficient coating thickness according to ASTM A123/ A123M-13 standards of the American Society of Testing and Materials, the world's largest international standard organization.

Specification of Hong Ky High Speed Steel Coil Slitting line General specification:
1. Material Thickness: 0.3 mm to 3.2 mm
2. Input Coil Width: 600 mm to 1350 mm
3. Coil outer diameter: �¦ 1000 mm to �¦ 1700 mm
4. Coil inner diameter: �¦508 or �¦610mm
5.Coil weight: max. 20 tons
6.Speed: 80 m / min ~ 200 m / min
7.Total machine weight: 80 tons
Advantages of Hong Ky High Speed Steel Coil Slitting Line: Thanks to the double slitting system, quick adjusting the clearance of knife blade has achieved.The design brings customer efficiency, long life operation, and safety for user.

1. Double Slitting System:
- Thanks to the double slitting system, quick adjusting the clearance of knife blade has achieved.
- It is efficient because a knife blade set can be done outside the line.
- It has become possible to experimentally cut outside the line before real operation in order to check the accuracy.
- Since all hydraulic piping and electrical wiring are buried underground, the working ground is clean and easy for operator to work.
2. Gear Box:
- Hong Ky high speed steel coil slitting line has 3 gear boxes (Reducer). All gear boxes are designed and manufactured by Hong Ky, then the design became compact and efficient.
3. Scrap disposal:
- It is unique design. It is automatic.
- After winding the scrap, the scrap is automatically dropped on the conveyor, and the scrap is conveyed to the scrap box.
4. Latest advanced mandrel shaft of Tension Reel:
- Hong Ky has adopted one of the advanced and latest Mandrel Shafts Mechanism. The mandrel shaft is designed to minimize the amount of bending when pinching the edge of the metal sheet.
5. Line Design:
- Line design is a crystal of technology that the steel industry has built over several decades.
- It is efficiency, long life, and strong design.
- Hong Ky high speed steel coil slitting line is classified roughly into 12 main parts.
6. Product liability:
- The safety measurement is taken into consideration in order to meet the product liability law.
- Ground hole are fully covered to increase safety for operator.
- The moving parts are covered as much as possible.
7. User-friendly design:
- Hong Ky high speed steel coil slitting line is easy to handle and taken every safety measures.

Hot dip galvanized steel coil (gi)

Grade: ss grade 33-80, sgcc, sgch, sgcd1-sgcd3, sgc340-sgc570, sgcc, dx51d

Thickness: 0.2-2.0mm

Place of origin: vietnam

Brand name: nam kim steel group

Model number: sgcc, sgch, sgcd1-sgcd3, dx51d

Type: steel coil technique: cold rolled

Surface treatment: galvanized

Application: wide construction range, household appliance special use: high-strength steel plate width: 600-1250mm

Length: as per customer's requirement

Coil weight : 3-24 mt - coil id: 508/610mm



Zinc coating: z50-z350

Surface of the galvanized steel coil: normal spangle, minimize spangle

Spangle steel grade: ss grade 33-80, sgcc, sgch, sgcd1-sgcd3, sgc340-sgc570, sgcc, dx51d

Certificate: iso9001

Payment terms: t/t or l/c

Delivery time: within 25 days after received the deposit

Packaging & shipping

Packaging detail: standard seaworthy export package

Hot dip galvanized steel coil (gi)

Grade: ss grade 33-80, sgcc, sgch, sgcd1-sgcd3, sgc340-sgc570, sgcc, dx51d

Thickness: 0.2-2.0mm

Place of origin: vietnam

Brand name: nam kim steel group

Model number: sgcc, sgch, sgcd1-sgcd3, dx51d

Type: steel coil technique: cold rolled

Surface treatment: galvanized

Application: wide construction range, household appliance special use: high-strength steel plate width: 600-1250mm

Length: as per customer's requirement

Coil weight : 3-24 mt - coil id: 508/610mm



Zinc coating: z50-z350

Surface of the galvanized steel coil: normal spangle, minimize spangle

Spangle steel grade: ss grade 33-80, sgcc, sgch, sgcd1-sgcd3, sgc340-sgc570, sgcc, dx51d

Certificate: iso9001

Payment terms: t/t or l/c

Delivery time: within 25 days after received the deposit

Packaging & shipping

Packaging detail: standard seaworthy export package

Delivery detail: according to the quantity or as per customer's request .

Hot dip galvanized steel coil (gi)

Grade: ss grade 33-80, sgcc, sgch, sgcd1-sgcd3, sgc340-sgc570, sgcc, dx51d

Thickness: 0.2-2.0mm

Place of origin: vietnam

Brand name: nam kim steel group

Model number: sgcc, sgch, sgcd1-sgcd3, dx51d

Type: steel coil technique: cold rolled

Surface treatment: galvanized

Application: wide construction range, household appliance special use: high-strength steel plate width: 600-1250mm

Length: as per customer's requirement

Coil weight : 3-24 mt - coil id: 508/610mm



Zinc coating: z50-z350

Surface of the galvanized steel coil: normal spangle, minimize spangle

Spangle steel grade: ss grade 33-80, sgcc, sgch, sgcd1-sgcd3, sgc340-sgc570, sgcc, dx51d

Certificate: iso9001

Payment terms: t/t or l/c

Delivery time: within 25 days after received the deposit

Packaging & shipping

Packaging detail: standard seaworthy export package

Delivery detail: according to the quantity or as per customer's request .

Specification and structure:

- standard: jis g 3321

- technology: nof (non-oxydizing furnace)

- coating mass symbol: az50 ~ az200

- material thickness: 0.20 ~ 2.0 (mm)

- width: 600 ~ 1250 (mm)

Quality standard:

Hot-dip 55% aluminium-zinc
Coated steel standard - jis g 3221

Dominant characteristics:

- especially produced for various usage purposes
- long life of 4 times longer than other normal
- effective corrosion sheets
- good heat resistance

The anti-finger layer is equipped:
- stain-proof and oxidization resistance
- keeping the surface of the products shiny for a long time
- to reduce cracking, scratching coating during stamping, rolling

Specification and structure

- standard: jis 3322, jis 3312

- technology: full reverse roll coating

- coating thickness: 10-30/15-30 micron

- material thickness: 0.25 ~ 1.2 (mm)

- width: 600 ~ 1250 (mm)

Namkim color - pre-painted zinc-aluminium coated steel is made by nof hot-dip zinc-aluminium alloy coated steel material on the advanced technology and production line, diversified colors, lifespan many times longer than other pre-painted zinc coated steel, weathering resistance and good heat-protective effect.