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1 Products availableWe offer the best product range of Erw Boiler Tubes, Air Heater Tube, Boiler Tubes and Air Heater Tubes.
Specifications
Speci – Fication | Grade | Rm N/mm2 | Re N/mm2 | A% | Drift Expansion test increase in D as% | Chemical Composition | Tolerance | ||||||||||
d/D Ratio | C (%) | Si (%) | Mn (%) | P&S (%) | Outside diameter | Thickness | |||||||||||
Min. | Max. | Min. | Min. | <0.6 | >0.6& <0.8 | >0.8 | Min. | Max. | Min. | Max. | Min. | Max. | |||||
BS : 3059 | Steel | 320 | 480 | 195 | 25 | 12 | 15 | 19 | - | 0.16 | - | 0.35 | 0.3 | 0.7 | 0.04 | ERW + 0.75% with a a minium of +0.30mm cew + O.5% with a minium o f+10mm | U.T.I. 3.2mm +10% and over 3.2mm + 7.5% |
Part 1/1987 | 320 | ||||||||||||||||
BS : 3059 | Steel | 360 | 500 | 235 | 24 | 12 | 15 | 19 | - | 0.17 | 0.1 | 0.35 | 0.4 | 0.8 | 0.35 | ERW same as part 1 for erw 2 class 3 cew same as part 1 of 1987 | +10% (excludin) welding area same as part 1 of 1987 |
Part 2/1990 | 360 |
Rm : Tensile strength A : Elongation D : inside diameter Re : Yield Stress
Tube Thickness