Purchase Qty. Reference FOB Price
10-19 Tons US$1,000.00
20+ Tons US$950.00
Product Description
Product Description 4340 40CrNiMoA Machined Surface Alloy Steel 1.6511 Round Basic Information Chemical Composition(%) Steel Grade C Si Mn Cr Ni Mo Cu P S 4340 0.38~0.43 0.15~0.35 0.60~0.80 0.70~0.90 1.65~2.00 0.20~0.30 ≤0.035 ≤0.040 ...