HR380LA高强度低合金钢 JIS G 3135宝钢 首钢 武钢产 整卷零切 ¥6.20 VW50065 HR380LA-GI40/40-U-O ¥4.50 酸洗板HR420,HR380LA零售,宝钢汽车钢HR380,酸洗HC420LAD+Z ¥4488.00 VW50065标准 HR380LA 1.0*1250*C规格 打样批量定尺试模配料 ¥4699.00 WSS-M1A367-HR380LA 50G50G-GI Class 3卷板 ¥4.00 GMW3032M-ST-S HR380LA GMW8M HD60G60GU钢板及钢带 ¥6.20