C (％): 0.47 ~ 0.55
Si (％): ≤ 0.40
Mn (％): 0.70 ~ 1.10
P (％)≤: 0.035
S (％)≤: 0.035
Cr (％): 0.90 ~ 1.20
Mo (％): -
50crv4 Spring Steel From China
50CrV4 spring steel from China is a high-quality product that meets international standards in terms of strength, elasticity, and fatigue resistance. The Chinese steel manufacturers are committed to producing high-quality products to meet the needs of the global market. Therefore, we can be confident in the quality of the steel and the benefits it offers.
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Product Introduction
50CrV4 spring steel is a popular steel grade produced in China. This high-quality steel is widely used in the manufacture of various metal products due to its unique properties, high strength, good elasticity and excellent anti-fatigue properties.
China is a leading producer of 50CrV4 spring steel, with a large number of factories producing this high-quality steel that meets international standards. The steel manufacturers in China understand the importance of quality and strive hard to deliver quality products to the global market.
Moreover, China is a fast-growing economy with a focus on innovation, technology, and excellence. This has resulted in significant advancements in the production of 50CrV4 steel grades and other metals. The Chinese steel industry is an essential part of the global supply chain, and its contribution to the global economy is significant.
In recent years, China has been a key player in the global steel industry. The country has been investing heavily in research and development, innovation, and modern technology to produce high-quality products that meet the needs of the global market. As a result, Chinese steel manufacturers have become more competitive in the global market, offering high-quality products at affordable prices.
CHEMICAL COMPOSITION (Mass weight - %)
V (％): 0.10 ~ 0.25
Applications
Permanently stressed machine, engine and vehicle parts when high strength and toughness are required.Most severely stressed springs for trucks, torsion springs.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.84
Soft Annealing
Heat to 640-720oC, cool slowly. This will produce a maximum Brinell hardness of 248.
Normalizing
Temperature: 840-880oC.
Hardening
Harden from a temperature of 820-860oC followed by oil quenching.
Tempering
Tempering temperature: 540-680oC.
Mechanical Properties in Hardening and Tempering Condition
| Diameter (mm) | 0.2 % proof stress (N/mm2) | Tensile strength (N/mm2) | Elongation (%) | Reduction of area (%) | Notch impact energy (ISO-V) (J) |
| <16 | 900 | 1100-1300 | 9 | 40 | 30 |
| 17-40 | 800 | 1000-1200 | 10 | 45 | 30 |
| 41-100 | 700 | 900-1100 | 12 | 50 | 30 |
| 101-160 | 650 | 850-1000 | 13 | 50 | 30 |
| 161-250 | 600 | 800-950 | 13 | 50 | 30 |
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