+86028-62317553
ALLOY STEEL BAR

ASTM Gtade60/JIS...

AISI...

ASTM 6150/JIS...

40Cr / 41Cr4 / 5140...

AISI 5140/ASTM...

40cr / 41cr4 /...

ASTM 5140/JIS...

ASTM 4130/JIS...

ASTM 4130/JIS...

ASTM4130/SCM430/DIN...

ASTM4130/JIS...

AISI 4340/JIS...

AISI...

M2,D2,D3,A2,4340,41...

+86028-62317553