碳素结构钢 （Carbon structural steel）中国GB700国际ISO3573美国ASTM日本JISQ195（A1，B1）HR2（Fe310-0）A283M Grade B SS330,SPHCSPHDQ215A,Q215B(A2,B2,C2)HR1 A283M Grade C, A573M grede58SS330,SPHCSPHDQ235A,Q235bBQ235C,Q235D(A3,B3,C3,)ISO630E235A,E235B,E235C,E235D,ISO6316HR235(Fe360B,Fe360C,Fe360D)A283M Grade DA573M Grade58,grade 65G3101SS400,JISG3106SM400A,SM400B, Q255A,Q255B(A4,B4,C4)ISO630E255A,E255B, (Fe430A,Fe430B)A709M Grade 36A573M Grade58,Grade 65G3101 SS400,G3106SM400A,SM400B, Q275(C5)E275A(Fe490)A573M Grade 70, A633M Grade CA633M GradeDA678M Grade AG3101SS490,SS540,G3106SM490A,SM490B,SM490C