Guangzhou Changfeng Steel Co., LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 1000t/Month |
| Delivery Time | 7-15 days |
| Packaging Details | Export Standard Packing or Customers'demand |
| Standard | AISI,DIN,ASTM,GB |
| Surface | Machined,black,Plain,mill finish or peeled finish,Grinding |
| Test | SGS / Ut 100% / Element Testing |
| Delivery Condition | Hot Rolled, Forged |
| Heat Treatment | Annealing/Q+T |
| Hs Code | 722540 & 722830 |
| Brand Name | CF STEEL |
| Model Number | 40CrNiMoA, AISI4340,39CrNiMO,40NiCRMo22,SNCM439 |
| Certification | ISO, Mill Certificate |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1000t/Month |
| Delivery Time | 7-15 days | Packaging Details | Export Standard Packing or Customers'demand |
| Standard | AISI,DIN,ASTM,GB | Surface | Machined,black,Plain,mill finish or peeled finish,Grinding |
| Test | SGS / Ut 100% / Element Testing | Delivery Condition | Hot Rolled, Forged |
| Heat Treatment | Annealing/Q+T | Hs Code | 722540 & 722830 |
| Brand Name | CF STEEL | Model Number | 40CrNiMoA, AISI4340,39CrNiMO,40NiCRMo22,SNCM439 |
| Certification | ISO, Mill Certificate | Place of Origin | China |
| High Light | high carbon steel plate ，high carbon steel round bar | ||
Superior Strength Special Alloy Steel DIN 1.7225 4140 Scm440 42CrMo4 Q + T Heat Treatment
► Chemical Composition(%):
| C | Si | Mn | Cr | P | S | Mo |
| 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | 0.90-1.20 | ≤0.035 | ≤0.035 | 0.15-0.25 |
► Similar grades: GB 42CrMo / DIN 1.7225 / AISI SAE4140 / JIS SCM440
► Available size(mm):
| Flat Bar Size(mm) | Round bar Size(mm) | |||
| Thickness | Width | Length | Diameter | Length |
| 10-200 | 155-2200 | 2000-6000 | 20-200 | 3000-6000 |
► Availabe shape:
► Feature:
1,Good strength, hardenability and toughness.
2,High creep strength and long lasting strength under the high temperature.
► Surface treatment:
Round bar: Black / Grinding / Polished / Peeled / Turned
Steel plate: Black / Milling / Machined
► Recommend heat treatment:
| Quenching | Tempering | |||||
| Heating temperature/℃ | Cooling way | Hardness (HRC) | Tempering temperature/ºC | Cooling way | Hardness (HRC) | |
| 850-880 | Oil Cooling | 50-52 | 450-650 | Air cooling | ≥48 | |
► Applications:
Used in the manufacture of high strength, large cross-section forgings such as supercharger transmission gear,rear axle,hummar shank etc.
High strength, hardenability, good toughness, low deformation in quenching, high creep strength and endurance.Used in the manufacture requirements higher than 35 crmo steel strength and conditioning section more large forgings, such as locomotive traction with the big gear, supercharger drive gear, rear axle, the load of connecting rod and a spring clip, can also be used to under 2000 m deep well of oil drill pipe joint and the fishing tool and so on.
► Changfeng Tool & Die Steel main product:
| STANDARD/GRADE of steel | Flat Bar Size(mm) | Round bar Size(mm) | Technics | ||||||
| DIN | AISM | JIS | GB(China) | Thickness | Width | Length | Diameter | Length | |
| 1.121 | SAE1050 | S50C | 50# | 10-450 | 155-2200 | 2000-12000 | Forged, Hot Rolled | ||
| 1.2311 | P20 | PDS-3 | 3Cr2Mo | 10-460 | 155-2200 | 2000-10000 | 20-200 | 2000-6000 | |
| 1.2738 | P20+Ni | - | 3Cr2NiMnMo | 21-300 | 155-2200 | 2000-8000 | 20-200 | 2000-6000 | |
| 1.2379 | D2 | SKD10 | SKD10 | 10-200 | 155-810 | 2000-6000 | 14-80 | 3000-6000 | |
| 1.2080 | D3 | SKD1 | 3Cr2Mo | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.2083 | 420 | - | 4Cr13 | 10-500 | 155-1200 | 2000-6000 | 12-300 | 3000-6000 | |
| 1.2344 | H13 | SKD61 | 4Cr5MoSiV1 | 10-500 | 155-1600 | 2000-6000 | 16-400 | 3000-6000 | |
| 1.2510 | O1 | SKS3 | 9CrWMn | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.7225 | SAE4140 | SCM440 | 42CrMo | 10-280 | 155-2200 | 2000-6000 | 16-450 | 3000-6000 | |
► About Us
Guangzhou Changfeng Steel Co., Ltd. is a professional special steel company, which specializing in this line in China since 2005. Our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.
Company Details
Business Type:
Distributor/Wholesaler,Exporter,Trading Company
Year Established:
2012
Total Annual:
5000000-10000000
Employee Number:
100~120
Ecer Certification：
Active Member
Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China.With twenty years experience in special steel industry, our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Struct... Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China.With twenty years experience in special steel industry, our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Struct...
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