SHANGHAI UNITE STEEL
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BS 530A40/530M40 Hot Rolled Steel Bar , Alloy Steel Round Bars , Mold Steel , Low MOQ
1. RELATED SPECIFICATIONS:
| USA | AISI 5140 |
| ASTM A29/A29M-91 5140 | |
| SAE 5140 | |
| Japan | JIS SCr440/SCr4 |
| Germany | DIN(W-Nr) 41CrMo4(1.7035) |
| Great Britain | BS970 530A40/530M40 |
| France | NF 42C4 |
2. TYPICAL CHEMICAL ANALYSIS:
Hot Rolled Alloy Round BS 530A40/530M40
| Elements | Carbon | Manganese | Silicon | Chromium | Molybdenum | Phosphorus | Sulfur | Cuprum |
| BS 530A40 | 0.37-0.44 | 0.50-0.80 | 0.17-0.37 | 0.80-1.15 | / | 0.035 max | 0.035 max | 0.25 max |
Note: Aboved data is based on GB 40Cr, Chemical compositions can be adjusted according to your requirements.
3. HEAT TREATMENT CONDITION AND MECHANICAL PROPERTIES:
Hot Rolled Alloy Round BS 530A40/530M40
| Heat Treatment | Mechanical Properties | Hardness | ||||||
| Normalizing | Quenching | Tempering | Tensile Strength (Mpa) | Yield Point (Mpa) | Elongation (%) | Reduction of area (%) | Impact Absorbing Energy (J) | Before Heat Treatment (HB) |
| Celsius Degree | MIN | MAX | ||||||
| / | 850 | 520 | 980 | 785 | 9 | 45 | 47 | 207 |
4. SIZE RANGE:
Diameter:10-350mm
Length:200-1300mm(cut as your requirement)
5. CERTIFICATE OF QUALITY :
Issued in English , in addition the normal terms, production process, the mechanical property (yield strength,tensile strength, elongation and hardness. forged ratio, UT test result,Grain size, heat treatment methods and the sample of is shown on the certificate of quality.
6. MARKING :
Heat No. will be cold stamped and steel grade, diameter (mm)length(mm) and the manufacture Logo and weight(KG) is painted.
7. PACKAGE AND DELIVERY:
Seaworthy package or as your requirments;
10-25 days after confirmed.