钢材重量的计算公式”与“国标无缝钢管规格表”20#流体管山川宏业专业销售钢材重量的计算公式角钢：每米重量=0.00785*（边宽+边宽-边厚）*边厚圆钢：每米重量=0.00617*直径*直径(螺纹钢和圆钢相同）扁钢：每米重量=0.00785*厚度*边宽管材：每米重量=0.02466*壁厚*（外径-壁厚）板材：每米重量=7.85*厚度黄铜管：每米重量=0.02670*壁厚*（外径-壁厚）紫铜管：每米重量=0.02796*壁厚*（外径-壁厚)铝花纹板：每平方米重量=2.96*厚度有色金属比重：紫铜板8.9黄铜板8.5锌板7.2铅板11.37有色金属板材：每平方米重量=比重*厚度流体管规格规格规格12×189×4.5-8-10-12-14-16-18-20245×25-28-30-34-4014×1.5-2.5-395×4.5-6-8-10-12-14-16-20273×7-9-12-15-18-20-2516×1.5-2.5-4102×4.5-5-6-7-8-10-12-14-16-20273×30-35-38-40-45-5018×2.3-4-5108×4.5-5-6-7-8-10-12-14-18-20-22299×8-12-16-20-24-2820×2.5-3-5114×4.5-5-6-7-8-10-12-14-18-20299×30-32-36-38-40-4524×2.5-3-4-5-6121×4.5-5-6-7-8-10-12-14-16-20325×8-12-14-18-38-4225×2.5-3-4-5-6127×4.5-5-6-7-8-10-12-14-16-20325×28-32-34-38-4228×3-3.5-4-5-6133×4.5-6-8-12-14-16-18-20-25-30351×10-16-20-25-4032×3.5-4-5-6-8140×5-6-7-8-9-10-12-14-16-20-22355×6-18-20-25-30-40/5234×4-5-6-8146×4.5-6-8-12-14-16-18-20-25-30377×8-12-15-20-24-2836×3.5-5-6-8152×4.5-6-8-12-14-16-18-20-25-30377×30-37-40-45-5038×4-5-6-7-8-9-10159×4.5-6-10-12-14402×10-15-20-25-30-3539×3.5-5-8-10159×16-18-20-22-25-30406×10-20-25-28-35-4042×3.5-4-5-6-7-8-9-10168×8-10-12-14-20-25-30-35426×10-12-14-16-20-25-30-35-4045×3.5-4-5-6-7-8-9180×8-12-16-25-30450×10-12-14-16-20-25-34-40-5048×3.5-4-5-6-7-8-9-10180×32-34-38-40-45-50480×10-12-14-16-18-20-25-30-4051×3.5-4-5-6-7-8-9-10194×6-8-12-16-20-25-30-40-45-50500×10-12-14-16-20-25-34-40-5056×3.5-4-5-6-7-8-9-10203×6-7-10-15-20-25-30510×10-12-14-16-20-25-34-40-5057×3.5-5-6-7-8-9-10-12203×32-36-40-45-50530×10-12-14-16-18-20-30-4060×3.5-4.5-5-6-7-8-9-12-14219×6-8-12-16-18-20-25560×10-14-16-20-25-30-40-50-6063×3.5-4.5-5-6-7-8-9-10-12-14219×30-40-45-50-55580×10-14-16-20-30-40-50-7068×4-4.5-5-6-7-8-9-10-12-14-16219×55-58-60-65-70600×10-14-18-25-20-30-50-6070×4-4.5-5-6-7-8-9-10-12-15-16245×8-10-14-17-20-22610×10-14-18-25-20-30-50-6073×4-4.5-5-6-7-8-9-10-12-15245×25-28-30-34-40620×14-20-30-35-45-50-6076×4-4.5-5-6-7-8-9-10-12-14273×7-9-12-15-18-20-25630×10-20-30-40-55-7583×4.5-5-10-12-14-16-18