Detailed information:
Brand: SWRH67A Spring Steel
Characteristics and Scope of Application:
After heat treatment, it has high strength and elasticity, as well as certain plasticity and toughness. But with low hardenability, it is generally used for various small section plate springs, coil springs, and washers with working temperatures below 120 ℃.
● Chemical composition:
Carbon C: 0.62-0.70
Silicon Si: 0.17-0.37
Manganese Mn: 0.50-0.80
Sulfur S: ≤ 0.035
Phosphorus P: ≤ 0.035
Chromium Cr: ≤ 0.25
Nickel Ni: ≤ 0.25
Copper Cu: ≤ 0.25
● Mechanical properties:
Tensile strength σ b (MPa): ≥ 695 (71)
Yield strength σ s (MPa): ≥ 410 (42)
Elongation rate δ 5 (%): ≥ 10
Shrinkage rate of cross-section (%): ≥ 30
Hardness: Untreated, ≤ 255HB; Annealed steel, ≤ 229HB

1. The company has established long-term and stable cooperative relationships with multiple well-known steel mills at home and abroad, all of which provide original material certification
2. Wholesale and retail, with favorable prices, superior quality (large quantities are preferred), and timely and fast delivery
3. The company has several large vertical band saws and steel plate precision machining machinery,
4. It is a large enterprise that integrates the sales, wholesale, and machining services of multiple imported high-quality mold steel products
5. Wide channels, sufficient supply of goods, and business scope covering all parts of the country, can meet the needs of customers in various regions
Sincerely welcome new and old customers from all walks of life to call and inquire about and negotiate business at any time. Our high-quality products and reasonable prices will definitely meet your requirements!
Welcome new and old customers to call for consultation and negotiation.