<*n>舞钢*n>WH80Q<*n>钢板供货技术条件*n>
<*n>工艺执行*n>WX*01-2008
1、<*n>适用范围*n>
<*n>本技术条件适用于厚度*n>≤120mm<*n>的*n><*n>WH80Q*n><*n>调质高强钢板。钢板适用于要求具有良好焊接性的煤矿液压支架、工程机械、水电站压力钢管等钢结构件。供应舞钢产WH80Q钢板*n>
2、<*n>牌号表示方法*n>
<*n>钢的牌号由代表*n>“<*n>舞钢宽厚板*n><*n>”*n><*n>的字母*n><*n>WH*n><*n>、*拉强度指数值、*n><*n>“*n><*n>调质*n><*n>”*n><*n>符号*n><*n>Q*n><*n>和质量等级符号等按顺序组成,如*n><*n>WH80QD*n><*n>。*n>
3、<*n>尺寸、外形、重量及允许偏差*n>
<*n>钢板的尺寸、外形、重量及允许偏差应符合*n>GB/T709<*n>的规定。*n>
4、<*n>化学成分(熔炼分析)*n>
<*n>钢的化学成分(熔炼分析)应符合表*n>1<*n>、表*n><*n>2*n><*n>的规定。*n>
<*n>表*n>1<*n>熔炼分析 *n><*n>wt,%*n>
<*n style="font-family:"font-size:12pt;">牌号*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">化学成分*n><*n style="font-family:"font-size:12pt;">*n> |
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<*n style="font-family:"font-size:12pt;">C*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">Si*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">Mn*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">P*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">S*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">Cr*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">Ni*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">Mo*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">Nb*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">V*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">Ti*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">B*n><*n style="font-family:"font-size:12pt;">*n> |
|
<*n style="font-family:"font-size:12pt;">WH80Q*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤ 0.18*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤ 0.50*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤ 1.80*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤ 0.020*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤ 0.010*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤ 0.80*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤ 1.20*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤ 0.60*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤ 0.07*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤ 0.08*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤ 0.03*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤ 0.003*n><*n style="font-family:"font-size:12pt;">*n> |
<*n>表*n>2<*n>碳当量*n><*n>Ce*n>q
<*n style="font-family:"font-size:12pt;">厚度(<*n>mm*n><*n>)*n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">碳当量,<*n>%*n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤50*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤0.50*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">>50-80*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤0.60*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">>80-100*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤0.63*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">>100-200*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">无要求*n><*n style="font-family:"font-size:12pt;">*n> |
5、<*n>力学性能*n>
<*n>钢板力学性能检验结果应符合表*n>3<*n>的规定。*n>
<*n style="font-family:"font-size:12pt;"> *n> <*n style="font-family:"font-size:12pt;"> *n> <*n style="font-family:"font-size:12pt;"> *n> <*n style="font-family:"font-size:12pt;">牌号*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">质量等级*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">Rp0.2,Mpa*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">Rm,Mpa*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;"> *n> <*n style="font-family:"font-size:12pt;"> *n> <*n style="font-family:"font-size:12pt;"> *n> <*n style="font-family:"font-size:12pt;">A,%*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">KV2,J,<*n>纵向*n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;"> *n> <*n style="font-family:"font-size:12pt;"> *n> <*n style="font-family:"font-size:12pt;">冷弯<*n>b=2a*n>*n><*n style="font-family:"font-size:12pt;">*n> |
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<*n style="font-family:"font-size:12pt;">厚度<*n>mm≤50*n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">厚度<*n>mm*n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">厚度<*n>mm*n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">厚度<*n>mm*n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">温度<*n>℃*n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">不小于*n><*n style="font-family:"font-size:12pt;">*n> |
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<*n style="font-family:"font-size:12pt;">>50-100*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤100*n><*n style="font-family:"font-size:12pt;">*n> |
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<*n style="font-family:"font-size:12pt;"> *n> <*n style="font-family:"font-size:12pt;">WH8*n><*n style="font-family:"font-size:12pt;">0*n><*n style="font-family:"font-size:12pt;">Q*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">C*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≥685*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≥665*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≥760*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;"> *n> <*n style="font-family:"font-size:12pt;">≥14*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">8-100*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">0*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">47*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;"> *n> <*n style="font-family:"font-size:12pt;">D=3a*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">D*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">8-100*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">-20*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">34*n><*n style="font-family:"font-size:12pt;">*n> |
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<*n style="font-family:"font-size:12pt;">E*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">8-60*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">-40*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">27*n><*n style="font-family:"font-size:12pt;">*n> |
<*n>注:(*n>1<*n>)*n><*n>≤100mm C*n><*n>、*n><*n>D*n><*n>级钢板按表*n><*n>3*n><*n>进行性能检验和判定;>*n><*n>100-120mm C*n><*n>、*n><*n>D*n><*n>级钢板提供交货状态和试样调质状态力学性能和全厚度布氏硬度值,表*n><*n>3*n><*n>性能要求仅供参考。*n>
6、<*n>交货状态:*n>
C、D<*n>级钢*n><*n>≤100mm*n><*n>,调质(淬火*n><*n>+*n><*n>回火);>*n><*n>100-120mm*n><*n>,控轧*n><*n>+*n><*n>回火。*n>
E<*n>级钢厚度不大于*n><*n>60mm*n><*n>,调质(淬火*n><*n>+*n><*n>回火)交货。*n>
7、<*n>检验规则*n>
7.1<*n>钢板应逐轧制张检验力学及工艺性能。*n>
7.2<*n>实验方法:每批钢板的检验项目、取样数量、取样方法及试验方法符合表*n><*n>4*n><*n>的规定。*n>
<*n>表*n> 4 <*n>试 验 方 法*n>
<*n style="font-family:"font-size:12pt;">序号*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">检验项目*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">取样数量(个)*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">取样方法*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">试验方法*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">1*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">化学分析*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">1<*n>(每炉罐号)*n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">GB/T20066*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">GB/T223*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">2*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">拉伸<*n>**n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">1*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;"> *n> <*n style="font-family:"font-size:12pt;">GB/T2975*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">GB/T228.1*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">3*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">冷弯<*n>**n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">1*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">GB/T232*n><*n style="font-family:"font-size:12pt;">*n> |
|
<*n style="font-family:"font-size:12pt;">4*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">冲击<*n>**n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">3*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">GB/T229*n><*n style="font-family:"font-size:12pt;">*n> |
|
<*n style="font-family:"font-size:12pt;">5*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">布氏硬度<*n>**n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">2*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">全厚度*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">GB/T231.1*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">*<*n>厚度*n><*n>≤100mm*n><*n>的钢板不进行硬度检验,对于厚度>*n><*n>100mm-120mm*n><*n>的钢板,应对交货状态和试样调质状态分别进行检验,仅提供实测值,不做为判定依据。*n>*n><*n style="font-family:"font-size:12pt;">*n> |
8、<*n>超声波探伤*n>
<*n>钢板可逐张进行超声波探伤,探伤标准和合格级别在合同中注明。*n>
9、<*n>钢板的表面质量按*n>GB3274<*n>执行*n>
10<*n>、*n><*n>钢板的包装、标志及质量证明书按*n>GB247<*n>规定执行。*n>
<*n>供应舞钢产WH80Q钢板
*n>
<*n>表*n>2<*n>碳当量*n><*n>Ceq*n>
<*n style="font-family:"font-size:12pt;">厚度*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">碳当量,<*n>%*n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤50*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤0.50*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">><*n>50-80*n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤0.60*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">><*n>80-100*n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">≤0.63*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">><*n>100-120*n>*n><*n style="font-family:"font-size:12pt;">*n> |
<*n style="font-family:"font-size:12pt;">无要求*n><*n style="font-family:"font-size:12pt;">*n> |
<*n>注:(*n>1<*n>)供方可添加其它微量元素*n>
<*n>(*n>2<*n>)*n><*n>Ceq*n><*n>计算公式为:*n>
Ceq<*n>(*n><*n>%*n><*n>)*n><*n>=C+Mn/6+*n><*n>(*n><*n>Mo+Cr+V*n><*n>)*n><*n>/5+*n><*n>(*n><*n>Ni+Cu*n><*n>)*n><*n>/15*n>
<*n>*n>