Q690CFE钢板化学成分和材料机械性能有保证，舞阳钢铁销售部供应

一、钢板说明介绍钢板是水电牌号，属于低焊接裂纹敏感性钢板，可根据使用要求分为不同的等级，分别为。、钢板常用于水电站压力钢管及蜗壳、工程机械、桥梁、高层及大跨度建筑的制造。其特殊性决定了其使用方向和机械的关键部分用钢板。二、钢板的交货状态以及执行标准的详细说明:交货状态：TMCP(热机械控制轧制)、TMCP+回火、淬火+回火（一般称之为：调质。如今调质型钢板交货期都是非常慢）。可根据需求选择不同的交货状态，也可附加探伤标准要求、探伤等级要求、船级社认证要求、Z向性能要求、添加特殊合金元素要求等，应在协商的情况下对元素在合同中注明情况含量，以避免不必要的纷争。执行标准：WYJ(舞钢产品技术研发协会)标准。三、钢板的化学成分（熔炼分析%）成分90CFE≤0.18≤0.60≤2.0≤0.030≤0.025≤0.80≤1.00≤0.30≤0.11≤0.020≤0.004四、钢板的力学性能牌号检测项目结果描述结果或测定值/.2Mpa≥≥%≥14180°冷弯d=3a完好﹣20°C冲击功J47五、舞钢钢板的炼制方法和客户常订轧的规格如下：炼钢方式：钢由转炉或电炉冶炼，并进行炉外精炼。

常用规格：厚度：，宽度：，长度：。钢板舞阳钢厂生产，舞钢军工所承接。

I. of steel plate

steel plate is the grade of water and to low crack steel which can be into to the use . and steel are often used in the of steel tubes and in and .Its its use and the key part of the steel plate.

Ii. of steel plate and :

: TMCP( ), TMCP+ + ( known as: . the time of steel plate is very slow. can be to the or for Z alloy etc. The of be in the under so as to avoid .

: WYJ( and ) .

Iii. of steel Plate ( %)

C Si Mn P S Ni Cr Mo Nb Ti B

≤0.18 ≤0.60 ≤ 2.030 ≤0.025 ≤0.80 ≤1.00 ≤0.30 ≤0.11 ≤0.020 ≤0.004

Iv. of steel plate

Brand test item the or

/ Rp0.2 690 Mpa or

Rm 730 Mpa or

A50%14 or

180° Cold D = 3A

-20 °C work J 47

Five, steel plate and often are as :

: steel is by or and the .

: : width: : . steel steel to .