Astm A516 Gr.50/gr.60/gr.70/gr.42 1018 1045 4130 4140 St37热轧低碳钢板
US$800.00 - US$1,000.00
Min Order: 5 tons
CNSupplier
ASTM A36低碳钢板SS400 Q235 Q345 Q355 4340 4130 st37热轧钢板碳钢板
US$450.00 - US$550.00
Min Order: 1 tons
CNSupplier
SAE 4140 DIN 1.7225 42CrMo 4130钢板30crmo合金钢板低价
US$700.00 - US$1,000.00
Min Order: 5 tons
CNSupplier
6 yrs