CEW and ERW tubes Mechanical Behaviour
| Condition | Yield | Tensile | Elongation |
|---|---|---|---|
| Re min N/mm2 | Re min N/mm2 | min % | |
| BK as drawn | 320 | 400 | 6 |
| GBK annealed | 150 | 270 | 27 |
| NBK normalised | 155 | 280 | 25 |
Chemical Equation of Cold Drawn ERW Tube
Best price of Cold Drawn Welded Tube (CDW Tube) ex Mumbai
| GRADE | C % | Si % | Mn % | P&S % |
|---|---|---|---|---|
| CEW 2 | 0.16 max | 0.70 max | 0.050 max | |
| CEW 3 | 0.20 max | 0.35 max | 0.90 max | 0.050 max |
| CEW 4 | 0.25 max | 0.35 max | 1.20 max | 0.050 max |
| CEW 5 | 0.23 max | 0.50 max | 1.50 max | 0.050 max |
Dimensions of ASTM A106 Carbon Steel Pipe
| Outside Diameter | ||
|---|---|---|
| Over | Up to and Including | Tolerance |
| mm | mm | mm +/- |
| 30 | 0.10 | |
| 30 | 50 | 0.15 |
| 50 | 70 | 0.20 |
| 70 | 90 | 0.25 |
| 90 | 110 | 0.30 |
| 110 | 130 | 0.35 |
| 130 | 160 | 0.45 |
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