Active Member
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[China]
Address: 广州市黄埔区大沙地东路403号B802房(仅限办公）
Contact name:Echo
Guangzhou Changfeng Steel Co., LTD |
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| Round bar | 200-1000mm |
| Square bar | 150×150-600×600mm |
| Other forged part | as per drawing |
| Forged Bars | Forged sizes | Tolerance |
| Black | up to 500mm | (-0/+5mm) |
| above 500mm | (-0/+8mm) | |
| Rough Turned | all sizes | (-0/+3mm) |
| Standard | Grade | C | Cr | Mn | Si | P | S |
| GB/T3077 | 40Cr | 0.37-0.44 | 0.8-1.1 | 0.5-0.8 | 0.17-0.37 | 0.035 | 0.035 |
| TOCT 4543 | 40X | 0.36-0.44 | 0.8-1.1 | 0.5-0.8 | 0.17-0.37 | 0.035 | 0.035 |
| JIS G4053 | SCr440 | 0.38-0.43 | 0.9-1.2 | 0.6-0.9 | 0.15-0.35 | 0.03 | 0.03 |
| ASTN A29/A29M | 5140 | 0.38-0.43 | 0.7-0.9 | 0.6-0.9 | 0.15-0.35 | 0.03 | 0.03 |
| ISO 693 | 41Cr4 | 0.38-0.45 | 0.91.2 | 0.6-0.9 | 0.1-0.4 | 0.035 | 0.035 |
| EN 10083 | 41Cr4 | 0.38-0.45 | 0.91.2 | 0.6-0.9 | 0.1-0.4 | 0.025 | 0.035 |
| 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.
To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel and Daye Special Steel.
