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Oval welded pipes ( STAS 7941-90 )
   
Shapes sizes and weights according to following table and pictures.
No.
Sizes
Theoretical linear weight
Made:
a(mm)
b(mm)
g(mm)
kg/m
BLC:
BLR:
1
30
15
0.80
0.480

-

Da
2
30
15
0.90
0.541

-

Da
3
30
15
1.00
0.601

-
Da
4
30
15
1.25
0.711

-
Da
5
30
15
1.50
0.889
Da
Da
6
30
15
2.00
1.170
Da
Da
7
50
25
1.00
1.067
-

Da
Obs. Theoretical linear weight was calculated considering de steel density being 7.85 kg/dmc and using nominal dimensions without deviation of the sheet base width .
BLC - Cold rolled steel strip.
BLR - Hot rolled steel strip.