1<*n>、*n>A517GrQ (Modified)<*n>桩腿*n>钢板<*n>适用范围*n>
<*n>本技术条件适用于*n><*n>厚度*n>≤<*n>80mm*n><*n>的*n>ASTM A517GrQ(Modified)<*n>钢板,(*n>Modified<*n>意为改进型)用于海洋平台半圆板*n>的<*n>制造。*n>
注:钢板调质交货牌号为A517GrQ,正火交货牌号为A517GrQ Modified。
2<*n>、*n>A517GrQ (Modified)<*n>桩腿*n>钢板<*n>引用标准*n>
ASTM A517/A517M 压力容器用高强度淬火回火合金钢板
ASTM A20/A20M <*n>压力容器通用技术条件*n>
ASTM A370 <*n>钢产品力学试验方法和定义*n>
ASTM A578/A578M <*n>特殊用途普通钢板和复合板超声波直射波检验*n>
<*n>以上标准凡是注日期的引用文件,其随后所有的修改(*n>不<*n>包括勘误的内容)或修订版均*n>不<*n>适合于本协议*n>,<*n>凡是*n>不<*n>注日期的引用,其版本适用于本协议。*n>
3<*n>、*n>A517GrQ (Modified)<*n>桩腿*n><*n>钢板形状、公差*n>
3.1A517GrQ (Modified)<*n>桩腿*n><*n>钢板*n>形状
<*n>表*n>1 形状要求
<*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">平直度*n><*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">*n> <*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">(沿宽或长度方向)*n><*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">*n> |
<*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">横向扭曲*n><*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">*n> |
<*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">直角度*n><*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">*n> |
<*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">≤3mm/1000mm*n><*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">*n> <*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">≤6mm/2000mm*n><*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">*n> |
<*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">≤0.2%*L*n><*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">*n> |
<*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">A/W*100≤1.0%*n><*n style="font-family:'Times New Roman';line-height:150%;font-size:12.0000pt;">*n> |
L:<*n>钢板长度*n> A:<*n>从宽度方向垂直线的偏差*n> W:<*n>钢板宽度*n>
<*n>具体精度要求参见*n>ABS<*n>规范和*n>EN10029<*n>标准*n>
3.2 A517GrQ (Modified)<*n>桩腿*n><*n>钢板的*n>公差
<*n>厚度公差*n>: -0.3mm<*n>~*n>+2mm<*n>;板宽*n>度<*n>公差:*n>-0mm<*n>~*n>+25mm<*n>;长度公差:*n>-0mm<*n>~*n>+50mm<*n>。*n>
3.3 A517GrQ (Modified)<*n>桩腿*n><*n>钢板按公称尺寸理论重量计重,不加厚度附加值。*n>
4.1 A517GrQ (Modified)<*n>桩腿*n><*n>化学成分(熔炼分析)*n>
模铸成材,A517GrQ (Modified)<*n>桩腿*n><*n>钢的化学成分(熔炼分析)应符合表*n>2<*n>的规定。*n>
<*n>表*n>2 wt<*n>,*n>%
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">C*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">Si*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">Mn*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">P*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">S*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">Ni*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">Cr*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">Mo*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">Nb*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">V*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">Ti*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">B*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">Alt*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">Cu*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">Ceq*n><*n style="font-family:宋体;font-size:10.5000pt;vertical-align:super;">1*n><*n style="font-family:宋体;font-size:9.0000pt;">*n> |
<*n style="font-family:宋体;font-size:9.0000pt;">0.14*n><*n style="font-family:宋体;font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">~*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">0.18*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">0.15*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">~*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">0.35*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">0.97*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">~*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">1.*n><*n style="font-family:宋体;font-size:9.0000pt;">30*n><*n style="font-family:宋体;font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">≤0.015*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">≤0.003*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">1.2*n><*n style="font-family:宋体;font-size:9.0000pt;">0*n><*n style="font-family:宋体;font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">~*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">1.50*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">1.00*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">~*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">1.50*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">0.40*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">~*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">0.60*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:宋体;font-size:9.0000pt;">0.015*n><*n style="font-family:宋体;font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">~*n><*n style="font-family:宋体;font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">0.050*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">0.030*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">~*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">0.080*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">0.01*n><*n style="font-family:宋体;font-size:9.0000pt;">0*n><*n style="font-family:宋体;font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">~*n><*n style="font-family:宋体;font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">0.020*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">0.0005*n><*n style="font-family:宋体;font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">~*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">0.002*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">0.02*n><*n style="font-family:宋体;font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">~*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> <*n style="font-family:'Times New Roman';font-size:9.0000pt;">0.08*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:9.0000pt;">≤0.2*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">≤0.73*n><*n style="font-family:'Times New Roman';font-size:9.0000pt;">*n> |
<*n>注*n>: 1<*n>)*n>Ceq(%)= C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15
4.2 A517GrQ (Modified)<*n>桩腿*n>钢板<*n>交货状态:正火*n><*n>或淬火*n>+<*n>回火,具体在合同中注明。*n>
4.3 A517GrQ (Modified)<*n>桩腿*n>钢板<*n>力学性能*n>
A517GrQ (Modified)<*n>桩腿*n><*n>钢板调质(淬火*n>+<*n>回火交货的钢板)或*n><*n>试样调质*n>(正火交货的钢板)<*n>后的力学性能结果应符合表*n>3<*n>的规定。*n>
<*n>表*n>3 <*n>力学性能*n>
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">R*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;vertical-align:sub;">p0.2*n><*n style="font-family:宋体;font-size:10.5000pt;vertical-align:sub;"> *n><*n style="font-family:宋体;font-size:10.5000pt;">(*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">MPa*n><*n style="font-family:宋体;font-size:10.5000pt;">)*n><*n style="font-family:宋体;font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">R*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;vertical-align:sub;">m*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;"> *n><*n style="font-family:宋体;font-size:10.5000pt;">*n> <*n style="font-family:宋体;font-size:10.5000pt;">(*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">MPa*n><*n style="font-family:宋体;font-size:10.5000pt;">)*n><*n style="font-family:宋体;font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">A*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;vertical-align:sub;">5*n><*n style="font-family:宋体;font-size:10.5000pt;vertical-align:sub;">0*n><*n style="font-family:宋体;font-size:10.5000pt;vertical-align:sub;">*n> <*n style="font-family:'Times New Roman';font-size:10.5000pt;">%*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:宋体;font-size:10.5000pt;">面缩*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">%*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">纵向*n><*n style="font-family:宋体;font-size:10.5000pt;">板厚*n><*n style="font-family:宋体;font-size:10.5000pt;">*n> <*n style="font-family:'Times New Roman';font-size:10.5000pt;">1/4*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">、*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">1/2*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">横向*n><*n style="font-family:宋体;font-size:10.5000pt;">板厚*n><*n style="font-family:宋体;font-size:10.5000pt;">*n> <*n style="font-family:'Times New Roman';font-size:10.5000pt;">1/4*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">、*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">1/2*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:宋体;font-size:10.5000pt;">Z<*n>向断面收缩率*n><*n>%*n>*n><*n style="font-family:宋体;font-size:10.5000pt;">*n> |
|||
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">≥690*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">830*n><*n style="font-family:宋体;font-size:10.5000pt;">~*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">9*n><*n style="font-family:宋体;font-size:10.5000pt;">3*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">0*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">≥15*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">≥*n><*n style="font-family:宋体;font-size:10.5000pt;">4*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">5*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">温度℃*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">K*n><*n style="font-family:宋体;font-size:10.5000pt;">v2*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">,*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">J*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">温度℃*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">K*n><*n style="font-family:宋体;font-size:10.5000pt;">v2*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">,*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">J*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:宋体;font-size:10.5000pt;">侧膨胀*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:宋体;font-size:10.5000pt;">≥<*n>35*n>*n><*n style="font-family:宋体;font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">-*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">40*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">≥69*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">-*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">40*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">≥46*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n style="font-family:'Times New Roman';font-size:10.5000pt;">≥*n><*n style="font-family:宋体;font-size:10.5000pt;">0.38mm*n><*n style="font-family:'Times New Roman';font-size:10.5000pt;">*n> |
<*n>注:*n>(1<*n>)试样调质按钢板全厚度进行。*n>
(2<*n>)轧钢厂需同时送*n>2<*n>块生产样,备自检和*n>ABS<*n>船级社见证使用,并分别委托。*n>
<*n>(*n>3<*n>)夏比(*n><*n>V*n><*n>型缺口)冲击功按三个试样的算术平均值计算,允许其中一个试样值比规定平均值低,但不得低于规定值的*n><*n>70%*n><*n>。*n>
<*n>(*n>4<*n>)*n><*n>Z*n><*n>向性能试验执行*n><*n>EN10164*n><*n>标准规定,三个试样的算术平均值≥*n><*n>35%*n><*n>,允许其中一个试样值比规定平均值低,但不得低于*n><*n>25%*n><*n>。*n>
5<*n>、*n>A517GrQ (Modified)<*n>桩腿*n>钢板<*n>氢致裂纹敏**n>
<*n>对于*n>72.5mm<*n>厚度钢板*n><*n>需做*n>HIC<*n>试验的钢板,试样调质后需进行*n><*n>HIC*n><*n>试验,*n>HIC<*n>试验参照标准*n>NACE TM0284-2011<*n>,*n>A<*n>溶液*n><*n>。*n>HIC<*n>试验一组至少*n>3<*n>个*n>HIC<*n>试样,*n>HIC<*n>试验结果应符合:裂纹敏感率*n>CSR≤2% 、<*n>裂纹长度率*n>CLR≤15% 、<*n>裂纹厚度率*n> CTR≤5%<*n>。*n>HIC<*n>试验过程及结果需*n><*n>ABS*n>认可,并递交买方进行评估。如果钢厂有资料证明半弦管钢板能满足氢致裂纹敏*的要求,并且该资料已得到ABS<*n>的认可,则*n><*n>HIC*n><*n>实验可以取消。*n>
<*n>在合同中未注明需做*n>HIC<*n>试验的钢板,则不做*n><*n>HIC*n><*n>试验。*n>
6<*n>、*n>A517GrQ (Modified)<*n>桩腿*n>钢板<*n>表面质量*n>
钢板禁止焊接修补。钢板禁止有裂纹、拉裂、分层等缺陷,<*n>修整超过深度为*n>0.5mm<*n>的氧化铁皮压痕,表面质量符合*n>ASTMA20/A20M<*n>和*n>EN10163<*n>的规定。表面要求和修整状态应满足*n>EN10163-2<*n>中*n>B<*n>级要求。注:以满足*n>ABS<*n>规范要求为前提。*n>
7<*n>、*n>A517GrQ (Modified)<*n>桩腿*n>钢板<*n>超声波探伤*n>
<*n>钢板逐张进行超声波探伤,探伤标准为*n>ASTM A578/A578M C<*n>级,具体在合同中注明。*n>
8<*n>、*n>A517GrQ (Modified)<*n>桩腿*n>钢板<*n>检验规则*n>
8.1A517GrQ (Modified)<*n>桩腿*n>钢板<*n>逐轧制*n>张<*n>组批*n>,正火交货<*n>钢板*n>逐批<*n>检验力学性能,*n>调质交货<*n>钢板逐*n>热处理张<*n>检验力学性能。*n>
8.2 A517GrQ (Modified)<*n>桩腿*n>钢板<*n>力学性能试验方法符合*n>A370<*n>的规定。*n>
9<*n>、*n>A517GrQ (Modified)<*n>桩腿*n>钢板每个炉批号选一块坯料,<*n>钢锭成材,由质量部开委托,对钢板进行低倍检查,试验方法应满足*n> GB/T226-91<*n>《钢的低倍*及缺陷酸腐蚀试验法》规定,级别评定满足*n>GB/T1979-2001<*n>《结构钢低倍*缺陷评级图》规定,其结果应满足偏析*n>≤0.5 <*n>级,并得到船级社确认。*n>
10<*n>、*n>A517GrQ (Modified)<*n>桩腿*n>钢板<*n>标记及钢板方向*n>
10.1A517GrQ (Modified)<*n>桩腿*n>钢板<*n>钢印标记:*n>ABS<*n>标记、炉号和钢板牌号*n>
10.2A517GrQ (Modified)<*n>桩腿*n>钢板<*n>喷印标记:制造商符号、项目号*n>(项目号在合同中注明)<*n>、钢材牌号、炉号、批号、尺寸、*n>UT<*n>标准号(*n>ASTM A578LEVEL C<*n>)*n>、<*n>技术条件:*n>ASTM A517/A517M、<*n>钢板表面唛头上方喷印*n>“N pending final Q+T”。
10.3A517GrQ (Modified)<*n>桩腿*n>钢板定义钢板头部对应于钢锭冒口端,侧喷标识喷印在尾部(远离冒口位置)。
11<*n>、*n>A517GrQ (Modified)<*n>桩腿*n>钢板<*n>验收方法*n>
<*n>经美国船级社*n>ABS<*n>验船师认证。*n>
12<*n>、*n>A517GrQ (Modified)<*n>桩腿*n>钢板<*n>质量证明书*n>
质保书中需包含<*n>购买方的名称、项目号*n>(项目号在合同中注明)<*n>、钢板牌号(*n>ASTM A517GrQ Modified<*n>)、尺寸、化学成分*n>、力学性能<*n>、交货状态、试样热处理条件(温度*n>,<*n>时间)、炉号、批号*n>、超声波探伤及结果<*n>,备注:*n>ULTRASONIC EXAMINATION:ACCEPTABLE<*n>。*n><*n>质保书一式*n>3<*n>份*n><*n>。*n>