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Black steel pipe

A black steel pipe is a product made from the hot rolling process of black sheet material, the product has a black or blue-black face after the material is formed, a layer of oil is applied to preserve the raw material.
Advantages
Eco-friendly materials
Enduring with time
High quality
Bearing good
Cost saving
Policy
Construction warranty
Precision machining
Safe transport
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Specifications

 

Outer Diameter

Nominal Diameter Length Number of plants/bundle Thickness Mass Pressure test
(mm)   (mm) (mm)   (mm) Kg/m Kg/ cây Kg/ bó At Kpa
ø21,2 1/2 15 6000 169 2,77 1,27 7,62 1288 48 4800
ø26,7 3/4 20 6000 127 2,87 1,69 10,14 1288 48 4800
ø33,5 1 25 6000 91 3,38 2,5 15,00 1365 48 4800
ø42,2 1-1/4 32 6000 61 3,56 3,39 20,34 1241 83 8300
ø48,1 1-1/2 40 6000 44 3,68 4,05 24,30 1069 83 8300
ø59,9 2 50 6000 37 3,91 5,44 32,64 1208 159 15900
ø75,6 2-1/2 65 6000 24 5,16 8,63 51,78 1243 172 17200
ø88,3 3 80 6000 19 5,49 11,29 67,74 1287 153 15300
ø113,5 4 100 6000 10 3,18 8,71 52,26 523 70 7000
3,96 10,76 64,68 647 84 8400
4,78 12,91 77,46 775 98 9800
5,56 14,91 89,48 695 121

12100

Outside diameter tolerance: ±1%

Tolerance on weight: ±10%

 

Other products
Galvanized steel pipe
Galvanized steel pipe is a material widely used in the construction industry. Galvanized steel pipe with many different outstanding advantages such as good bearing capacity, high wear resistance, no rust when encountering wet environments.
Welded Steel Pipe
Welded Steel Pipe is a type of steel pipe welded up from sheet metal, with many sizes and thicknesses for customers' interest and selection.
Cast steel pipe
A Cast steel pipe is a type of steel made from round, solid steel bars, which are heated and then pushed and pulled out of the pipe. Then the embryo is catheterized, hollowed out and straightened, stretched until the finished product is created.
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