ASTM A283-D Welded Steel Pipes Sch40 are made from carbon steel plates of structural quality for general application. Steel samples shall be melt processed by either open-hearth, basic-oxygen, or electric furnace.
ASTM A283-D Welded Steel Pipes Sch40 Chemical Composition:
A283 Grade DChemical Composition
| ||||||
Grade
|
The Element Max (%)
| |||||
C
|
Si
|
Mn
|
P
|
S
|
Cu (min)
| |
A283 GR.D
|
0.27
|
0.15-0.40
|
0.90
|
0.035
|
0.04
|
0.20
|
Carbon Equivalent: Ceq = [C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15]%
ASTM A283-D Welded Steel Pipes Sch40 Mechanical Properties
Grade
|
A283 Grade DMechanical Property
| |||
Thickness
|
Yield
|
Tensile
|
Elongation
| |
A283 GR.D
|
mm
|
Min Mpa
|
Mpa
|
Min %
|
t≤50
|
415-550
|
230
|
23
| |
50<t≤200
|
415-550
|
230
|
20
| |
Heat and ASTM A283-D Welded Steel Pipes Sch40 product analysis shall be performed wherein steel materials shall conform to required chemical compositions of carbon, manganese, phosphorus, sulfur, silicon, and copper. Steel specimens shall also undergo tensile tests and shall conform to required values of tensile strength, yield point, and elongation.
Company Strength:
Cooperate with major mills and stockist around the world
Offer ex-stock materials as well as mill delivery with nominal margins
Complete in-house testing facilities viz. Hydro, UT, chemical analysis, bending
Physically mechanical, PMI, microscopic examination, etc.
Prime and genuine materials with co-relating original test certificates
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