2[(a-d-2r+π(r+d/2)/2+(b-d-2r+π(r+d/2)/2)x7.85d(kg),a,b为矩形管长和宽(m),r为管内腔四角的圆弧半径(m),d为壁厚(mm)。
英标矩形管、澳标矩形管、欧标矩形管、美标矩形管,及英标方管,美标方管。外标型材零售、批发、订扎,欢迎来电订购 黄剑波
英标矩形管规格 材质 (元)
60×40×4/5 S235JR S275JR/JO/J2 5180
70×50×4/6 S235JR S275JR/JO/J2 5180
90×60×5/6 S235JR S275JR/JO/J2 5180
110×80×6/8 S235JR S275JR/JO/J2 5200
130×100×6/8 S235JR S275JR/JO/J2 5200
150×120×8 S235JR S275JR/JO/J2 5200
160×130×6/8 S235JR S275JR/JO/J2 5260
180×150×8 S235JR S275JR/JO/J2 5260
190×150×6 S235JR S275JR/JO/J2 5260
200×160×8 S235JR S275JR/JO/J2 5280
250×200×6/10 S235JR S275JR/JO/J2 5280
290×250×6/10 S235JR S275JR/JO/J2 5280
320×260×8/12 S235JR S275JR/JO/J2 5300
400×340×12/14 S235JR S275JR/JO/J2 5300
450×380×12/14 S235JR S275JR/JO/J2 5320
500×400×14/16 S235JR S275JR/JO/J2 5350
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