
41Cr4/5140/ SCr440/40Cr Cold Finished Bar , Alloy Steel Bar 2-100 Mm Diameter
Related specification:
European: 41Cr4
USA: ASTM A29 , ASTM A510 , ASTM A519
SAE J404
SAE: 5140
Japan: JIS S SCr440
Chemical composition(%):
Grade | C | Si | Mn | P | S | Cr |
5140 | 0.38-0.43 | 0.15-0.35 | 0.70-0.90 | 0.030 max | 0.040 max | 0.70-0.90 |
41Cr4 | 0.38-0.45 | 0.40 max | 0.60-0.90 | 0.025 max | 0.035 max | 0.90-1.20 |
40Cr | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.035 max | 0.035 max | 0.80-1.10 |
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 |
Size range:
Dia: 2-100mm
Length Random Length, Fixed Length, etc.
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.
Packing: Plastic reel shaft, and bound, iron wire frame, the paper barrel
etc
Please feel free to contact us again if you have any further questions. We look forward to receiving an order from you.
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!