... Structural Steel-ASTM 5130, JIS SCr430, DIN 28Cr4(1.7030), GB 30Cr(A/E)1. Relable leader in Special Steel products2. Competitive price3 ... .27-0.340.17-0.370.50-0.800.80-1.1. 2. Hardness ValueIn early 2004, Wanbao special steel has ... rod, stainless steel.The product one hand are applied in machine facture, petrochemical, automobile,communication, transportation, medical-health , national defence, army ...