Purchase Qty. Reference FOB Price
10-19 Tons US$1,000.00
20+ Tons US$950.00
Product Description
Hot Rolled/ Forged Alloy Structural Steel Flat Bar/ Round Bar 4340/1.6511/SNCM439/V320 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 ...