上海盛豫鋼材貿易有限公司是杭鋼一級代理
主營: 以下是部份圓鋼規格: 普圓Q235 杭鋼 16mm/20mm/22mm/25mm/28mm/32mm 普圓Q235 杭鋼 40mm/45mm/48mm/50mm 普圓Q235 杭鋼 50mm/55mm/75mm/100mm/105mm/ 普圓Q235 杭鋼 115mm/120mm/130mm/150mm 10# 杭鋼 16mm/20mm/22mm/25mm/28mm/32mm 20# 杭鋼 16mm/20mm/22mm/25mm/28mm/32mm 20# 杭鋼 40mm/45mm/48mm/50mm 20# 杭鋼 50mm/55mm/75mm/100mm/105mm/220mm 20# 杭鋼 115mm/120mm/130mm/150mm /160mm/180mm/190mm/210mm 35# 杭鋼 22mm/25mm/38mm/40mm/55mm 45# 杭鋼 16mm/20mm/22mm/25mm/28mm/32mm 45# 杭鋼 40mm/45mm/48mm/50mm 45# 杭鋼 50mm/55mm/75mm/100mm/105mm/220mm 45# 杭鋼 115mm/120mm/130mm/150mm /160mm/180mm/190mm/210mm A105元鋼50mm/55mm/60mm/75mm/100mm/110mm/120mm/130mm/140mm 20CR 杭鋼 16mm/20mm/22mm/25mm/28mm/32mm 20CR 杭鋼40mm/45mm/48mm/50mm /55mm/75mm/100mm/105mm/ 20CR 杭鋼 115mm/120mm/130mm/150mm 40Cr 杭鋼 16mm----400mm 20CrMnTi 杭鋼 20mm-170mm 20CrMo 杭鋼16mm-230mm 35CrMo 杭鋼35mm-130mm 42CrMo 杭鋼42mm-240mm (8620H)杭鋼20CrNiMo 22mm-100mm 碳鋼的理論重量計算公式 角鋼:每米重量=0.00785*(邊寬+邊寬-邊厚)*邊厚 圓鋼:每米重量=0.00617*直徑*直徑(螺紋鋼和圓鋼相等) 扁鋼:每米重量=0.00785*厚度*邊寬 管材:每米重量=0.02466*壁厚*(外徑-壁厚) 板材:每米重量=7.85*厚度 黃銅管:每米重量=0.02670*壁厚*(外徑-壁厚) 紫銅管:每米重量=0.02796*壁厚*(外徑-壁厚)
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