汕头Q390B钢板热轧.Q390NB钢板正火轧制.Q390B钢板品种交货状态

Q390NB低合金高强度钢板

Q390NB执行标准为GB/T 1591-2018,代替GB /T 1591-2008的执行标准。Q390NC厚度可以达到400厚，宽度可定轧为1500-4020mm,长度3000-27000mm。 质量级别：A、B、C、D、E及厚度方向Z15、Z25、Z35。

Q390NB正火交货状态：可按热轧（AR)、正火(N)、+N(正火轧制）、热机械轧制（M)等不同状态交货。

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