
SCR440 41cr4 40cr 5140 Forged Black Qt Alloy Steel Round Bar
Laiwu Xincheng Metal Co., Ltd.- Application:Structural Steel Bar, Tool Steel Bar, Die Steel Bar
- Technique:Forged
- Standard:AISI, ASTM, GB, JIS, DIN, BS
- Type:Alloy Steel Bar
- Alloy:Alloy
- Special Use:Mold Steel
Base Info
- Transport Package:Standard Export Packing
- Ut:Sep 1921 C,C D,D
- MOQ:1PCS
- Grade:SAE 5140 40c 41cr4 40cr SCR440
- Products:Forged Steel Square Bar
- Commodity:Forged Steel Round Bar
- Model NO.:SCr440 41Cr4 40Cr 5140
- Specification:200-1000mm
- Origin:China
- Production Capacity:3000tons,Month
Description
Blackup to 500mm (-0/+5mm) above 500mm (-0/+8mm) Rough Turned all sizes (-0/+3mm)
5.SCr440 41Cr4 40Cr 5140 Forged Steel equivalent grade and chemical composition
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
9.Delivery time : 7 to 30 days after deposit received.









SCr440 41Cr4 40Cr 5140 Forged Black QT Alloy Steel Round Bar
SCr440 41Cr4 40Cr 5140 Forged Black QT Alloy Steel Round Bar
SCr440 41Cr4 40Cr 5140 Forged Black QT Alloy Steel Round Bar
5.SCr440 41Cr4 40Cr 5140 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
9.Delivery time : 7 to 30 days after deposit received.









SCr440 41Cr4 40Cr 5140 Forged Black QT Alloy Steel Round Bar
SCr440 41Cr4 40Cr 5140 Forged Black QT Alloy Steel Round Bar
SCr440 41Cr4 40Cr 5140 Forged Black QT Alloy Steel Round Bar