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黑皮方管

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標準重量計算公式

[(+)X2÷3.1416﹣厚度]X厚度X0.025=Kg/m

  

  

1/2,16,20,7/8,19

75X3.0

25X1.2

75X4.0

25X1.5

75X4.5

25X2.0

75X6.0

25X2.3

80X3.0

25X2.8

80X3.6

25X3.0

80X4.0

30X1.2

100X2.0

30X1.5

100X2.3

30X2.0

100X2.8

30X3.0

100X3.0

38X1.2

100X3.2

38X1.5

100X4.0

38X2.0

100X4.5

38X2.3

100X6.0

38X2.8

100X9.0

38X3.0

125X3.0

40X2.0

125X3.2

40X2.8

125X4.0

40X3.0

125X4.5

48X2.0

125X6.0

50X1.2

125X9.0

50X1.6

150X3.0

50X2.0

150X3.2

50X2.3

150X4.0

50X2.8

150X4.5

50X3.0

150X6.0

50X3.2

150X9.0

50X4.0

150X12.0

50X4.5

200X4.5

50X6.0

200X6.0

60X2.0

200X9.0

60X2.3

200X12.0

60X2.8

250X6.0

60X3.0

250X9.0

60X4.0

250X12.0

60X4.5

300X9.0

75X2.0

300X12.0

75X2.3

400X12.0

75X2.8