●Characteristics and Scope of Application：

SUP10spring steel

composition：

carbon C ：0.47～0.55

silicon Si：0.15～0.35

manganese Mn：0.65～0.95

sulfur S ：≤0.030

phosphorus P ：≤0.030

chromium Cr：0.80～1.10

nickel Ni：≤0.35

copper Cu：≤0.25

vanadium V ：0.15～0.25

●mechanical property：

tensile strength σb (MPa)：≥1274(130)

yield strength σs (MPa)：≥1127(115)

elongation δ5 (%)：≥10

reduction of area ψ (%)：≥40

Hardness: Hot rolled,≤321HB;cold-draw+heat treatment,≤321HB

●Heat treatment specifications and metallographic structure：

Heat treatment specification: Quenching850℃±20℃,Oil cooled; tempering500℃±50℃(When there is a special need,±30℃)。

●Delivery status: Hot rolled steel is delivered in a heat-treated or non heat-treated state, while cold drawn steel is delivered in a heat-treated state。

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.