ASTM A653/A653M BHS 41 镀锌板卷宝钢首钢武钢BHS 41 ¥3900.00 ASTM A653/A653M BHS 44 镀锌板卷宝钢首钢武钢BHS 44 ¥3900.00 ASTM A653/A653M SS 230 镀锌板卷宝钢首钢武钢SS 230 ¥3900.00 astm a653/a653m ss 255 镀锌板卷宝钢首钢武钢SS 255 ¥3900.00 astm a653/a653m ss 275 镀锌板卷宝钢首钢武钢SS 275 ¥3900.00 ASTM A653/A653M SS 340 CLASS 1 镀锌板卷 ¥3900.00