10F ASTM A29M 1010STKM14B STKM14C STKM15A STKM15C STKM16A STKM16C STKM17A STKM17C STKM18A STKM18B STKM18C STKM19A STKM19C STKM20A SN400A SN400B SN400C SN490B SN490C
德国低合金结构钢：S255N StE255 S255NH S255NL S255NL1 P275N S275N S275NL P275NH P275NL1 P275NL2 P315N P315NH P315NL P315NL1 P355N S355N S355NL
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