
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.
SHANGHAI UNITE STEEL
We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.
In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest steelmaking history; BAO Steel, and Dongbei Special Steel Group-the biggest special steel manufacturer; TPCO, VALIN-largest seamless steel tube production enterprise; What's more, we have built long, deep and close business relationship with dozens of steel companies, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!