Carbon steel I-beam A36、St37、St52A36、St37、St52，16Mn，S235J0、S235J2，S235JR，S355JR，S355，S355J0SS440，SM400A，SM400BQ195,Q235B,Q355B；A572,GR50,GR60,SS540H100*100-H400*400H150*75 -H900*300；ASTM A36;ASTM A6(W);
ASTM A6(S);JIS 3192;JIS 3136;EN10034;EN10163;EN10025-2;AS/NZS3679.1;- I-beam ASTMA36、St37、St52，16Mn，S235J0、S235J2，S235JR，S355JR，S355，S355J0SS440，SM400A，SM400BQ195,Q235B,Q355B；A572,GR50,GR60,SS540H100*100-H400*400H150*75 -H900*300；ASTM A36;ASTM A6(W);
ASTM A6(S);JIS 3192;JIS 3136;EN10034;EN10163;EN10025-2;AS/NZS3679.1; - I-beam ASTM SM400AA36、St37、St52，16Mn，S235J0、S235J2，S235JR，S355JR，S355，S355J0SS440，SM400A，SM400BQ195,Q235B,Q355B；A572,GR50,GR60,SS540H100*100-H400*400H150*75 -H900*300；ASTM A36;ASTM A6(W);
ASTM A6(S);JIS 3192;JIS 3136;EN10034;EN10163;EN10025-2;AS/NZS3679.1; - API 5DAPI 5CT is standard technical specifications for steel casing pipes used for oil wells in petroleum and natural gas industries.
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