Usually customer-oriented, and it's our ultimate focus on to be not only by far the most reliable, trustable and honest provider, but also the partner for our customers for 4140RH Mechanical composition: Tensile strength: min 125 ksi Yield strength : min 105 ksi Elongation rate: min 16% Reduction rate: min 50% Impact energy: akv min 63J Hardness: C35 Formula reference: R, , , , We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success! "Based on domestic market and expand overseas business" is our development strategy for 4140RH Mechanical composition: Tensile strength: min 125 ksi Yield strength : min 105 ksi Elongation rate: min 16% Reduction rate: min 50% Impact energy: akv min 63J Hardness: C35 Formula reference: R, Nowadays our merchandise sell all over the domestic and abroad thanks for the regular and new customers support. We supply high quality product and competitive price, welcome the regular and new customers cooperate with us!
