DIN EN10025 JIS G3135 S355J2G3 S355J2G4 S355K2G3 S355K2G4 (ÓS355MPa) S355NL JIS G3135 S355ML (ÓS355MPa) SPFC590 (ÓS355MPa) 低合金結構鋼. GB/T1591 Q345E ASTM ...
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