astm a653/a653m hslas 380 CLASS2 镀锌板卷 宝钢鞍钢 ¥3900.00 ASTM A653/A653M HSLAS 410 镀锌板卷 宝钢鞍钢HSLAS ¥3900.00 ASTM A653/A653M HSLAS 480 镀锌板卷 宝钢鞍钢 ¥3900.00 ASTM A653/A653M HSLAS 550 镀锌板卷 宝钢鞍钢 ¥3900.00 ASTM A653/A653M HSLAS-F 275 镀锌板卷 宝钢鞍钢 ¥3900.00 ASTM A653/A653M HSLAS-F 340 镀锌板卷 宝钢鞍钢 ¥3900.00