Grade A, Grade C, or Grade D
OD: 1/2 to 5 in. [12.7 to 127 mm]
WT:0.035 to 0.360 in. [0.9 to 9.1 mm]
The steel shall be of Grades A (low-carbon steel), C (medium-carbon steel), or D (carbon-manganese steel). All tubes shall be submitted to heat treatment after welding, followed by cooling. The steel shall conform to stated compositions of carbon, manganese, phosphorus, sulphur, and silicon. Grades C and D shall conform to given tensile requirements, that is tensile strength, yield strength, and elongation.
Type: ERW/Welded/Fabricated/CDR
Form: Round pipe/tube. Square pipe/tube . Rectangle pipe/tubes
End:Plain/Beveled End Protection : Plastic cap
Outside Coating : Black Painting. Anti-Corrosion Oil. Galvanised finish . finished as per custom requirement .
Chemical Composition
Element | Composition % | ||
Gr A(low-carbon steel) | Gr B(medium-carbon steel) | Gr D(C-Mn steel) | |
C | 0.06-0.18 | 0.35 | 0.27 |
Mn | 0.27-0.63 | 0.8 | 1-1.5 |
p | 0.035 | 0.035 | 0.03 |
S | 0.035 | 0.035 | 0.015 |
Si | ... | ... | 0.1 min |
Mechanical Properties
Gr C | Gr D | |
Tensile strength min ksi [MPa] | 60[415] | 70[455] |
Yield strength min ksi [MPa] | 37[255] | 40[275] |
Elonation in 2in % | 30 | 30 |
If you require further information or you do not see what yo need in our web,please do not hesitate to contact us. Our customer service specialists will be happy to help you.
