Suzhou Vanforge Metals Co., Ltd.
| Payment Terms | L/C, T/T |
| Supply Ability | 5000 metric tons per month |
| Delivery Time | 60 days |
| Packaging Details | Seaworthy package for export |
| Material | Alloy steel |
| Process | Hot rolled |
| Treatment | Normalized |
| Surface | Black, peeled |
| Shape | Round |
| Length | Cut to length on request |
| Brand Name | VANFORGE |
| Certification | ISO9001, ISO10012, ISO14001, OHSAS18001, ABS, BV, DNV, Lloyd, NK |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 5000 metric tons per month |
| Delivery Time | 60 days | Packaging Details | Seaworthy package for export |
| Material | Alloy steel | Process | Hot rolled |
| Treatment | Normalized | Surface | Black, peeled |
| Shape | Round | Length | Cut to length on request |
| Brand Name | VANFORGE | Certification | ISO9001, ISO10012, ISO14001, OHSAS18001, ABS, BV, DNV, Lloyd, NK |
| Place of Origin | China | ||
| High Light | cold drawn steel bar ，cold rolled steel bar | ||
Spring steels from VANFORGE are mainly used for the hot formed springs such as the laminated springs, coiled springs, and torsion bar springs.
Methods of manufacture
Steel grades
| SUP6 | Silicon manganese steel | Mainly used for laminated spring, coiled spring and torsion bar spring |
| SUP7 | Silicon manganese steel | |
| SUP9 | Manganese chromium steel | |
| SUP9A | Silicon manganese steel | |
| SUP10 | Chromium vanadium steel | Mainly used for coiled spring and torsion bar spring |
| SUP11A | Manganese chromium boron steel | Mainly used for large laminated spring, coiled spring and torsion bar spring. |
| SUP12 | Silicon chromium steel | Mainly used for coiled spring |
| SUP13 | Chromium molybdenum steel | Mainly used for large laminated spring and coiled spring |
Chemical composition, %
| Steel grade | C | Si | Mn | P | S | Cr | Mo | V | B |
| SUP6 | 0.56-0.64 | 1.50-1.80 | 0.70-1.00 | ≤0.035 | ≤0.035 | - | - | - | |
| SUP7 | 0.56-0.64 | 1.80-2.20 | 0.70-1.00 | ≤0.035 | ≤0.035 | - | - | - | |
| SUP9 | 0.52-0.60 | 0.15-0.35 | 0.65-0.95 | ≤0.035 | ≤0.035 | 0.65-0.95 | - | - | |
| SUP9A | 0.56-0.64 | 0.15-0.35 | 0.70-1.00 | ≤0.035 | ≤0.035 | 0.70-1.00 | - | - | |
| SUP10 | 0.47-0.55 | 0.15-0.35 | 0.65-0.95 | ≤0.035 | ≤0.035 | 0.80-1.10 | - | 0.15-0.25 | |
| SUP11A | 0.56-0.64 | 0.15-0.35 | 0.70-1.00 | ≤0.035 | ≤0.035 | 0.70-1.00 | - | - | ≥0.0005 |
| SUP12 | 0.51-0.59 | 1.20-1.60 | 0.60-0.90 | ≤0.035 | ≤0.035 | 0.60-0.90 | - | - | |
| SUP13 | 0.56-0.64 | 0.15-0.35 | 0.70-1.00 | ≤0.035 | ≤0.035 | 0.70-0.90 | 0.25-0.35 | - |
Remarks:
Appearance
The steels shall be well finished and free from defects that are detrimental to practical use.
Decarburization
Steels shall be free from decarburization that is detrimental to practical use. The allowable limit for the depth of decarburization may be agreed upon between the purchaser and the manufacturer.
Inspection
Grain size examination conforms to JIS G0551
Macro-structure examination conforms to JIS G0553
Non-metallic inclusions examination conforms to JIS G0555
Macro-streak-flaw examination conforms to JIS G0556
Hardenability test conforms to JIS G0561
Magnetic particle examination conforms to JIS G0565
Mechanical properties test conforms to JIS Z2201, Z2241, Z2243
Marking
Each bundle of the steels shall be marked the following items. However, the hot rolled steel bar whose diameter exceeds 30mm shall be legibly marked on each product when requested. However, when approval by the purchaser, a part of the items may be omitted.
Designation of grade
Charge number or inspection number
Manufacturer’s name or its identifying brand
Product size range
Diameter: 40mm - 150mm
Length: on request
Production Process
Key clients
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Year Established:
1999
Total Annual:
120 million-150 million
Employee Number:
800~850
Ecer Certification：
Active Member
Suzhou Vanforge Metals Co., Ltd. was set up in April 1999 with a registered capital of 230 million Yuan in Zhangjiagang Bonded Area in Jiangsu Province of China. It has developed to be an important R&D and manufacture enterprise of high performance stainless steels and nickel alloys. &nb... Suzhou Vanforge Metals Co., Ltd. was set up in April 1999 with a registered capital of 230 million Yuan in Zhangjiagang Bonded Area in Jiangsu Province of China. It has developed to be an important R&D and manufacture enterprise of high performance stainless steels and nickel alloys. &nb...
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