AISI Standard Hot Rolled Round Bar 40X 40Cr 41Cr4 SCr440 SAE5140
Price:
USD800-900/MT
MOQ:
3MT
Delivery Time:
7-15 days
Brand:
CF STEEL
Product Description
40X 40Cr 41Cr4 SCr440 Forged normalized Annealed Forged Round Bars / 5140 Forged Steel
1.SAE 5140 40Cr SCr440 forged steel bar sizes we can offer:
| Round bar | 200-1000mm |
| Square bar | 150×150-600×600mm |
| Other forged part | as per drawing |
2.Supply condition for SAE 5140 40Cr SCr440 Forged steel bars:
Black /Rough Machined /Rough turned
3.Futhur heat treatment for SAE 5140 40Cr SCr440 forged steel :
Normalized
Annealed
Q&T(Quenched&Tempered)
4.SAE 5140 40Cr SCr440 Forged Steel round bar tolerance:
| Forged Bars | Forged sizes | Tolerance |
| Black | up to 500mm | (-0/+5mm) |
| above 500mm | (-0/+8mm) | |
| Rough Turned | all sizes | (-0/+3mm) |
5.SAE 5140 40Cr SCr440 Forged Steel equivalent grade and chemical composition
| 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 |
6.Quality control:
1. Melting Process: EAF/BOF+LF+VD resulting in ingots
2. Both ends cut by saw
3. Ratio of forging:minimum 3:1
4. Grain size of final product: according to ASTM E112 more than 5,preferred more than 8
5. Ultrasonic test: As per SEP1921 Class C/c or D/d
7.MOQ: one piece per size/grade
8.Payment term: FOB CIF CFR EXW and so on
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.
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Company
Guangzhou Changfeng Steel Co., LTD
Location
广州市黄埔区大沙地东路403号B802房(仅限办公）
Contact Person
Echo