● ERW Pipe:Electric Resistance Welded steel tube used in oil drilling and machinery manufacturing, etc.
Standard:GB/T3091 – 2001 , BS1387 – 1985 , DIN EN10025 ,EN10219 , JIS G3444:2004 , ASTM A53 , API 5L
Steel Grade:
GB/T3091 – 2001:Q235 , Q345 ;
BS1387 – 1985 , DIN EN10025 ,EN10219 :S235JR ,S275JR,S355JR, S355J2H ;
JIS G3444:2004:STK400 ,STK500
ASTM A53: GR. A , GR. B, GR. C , GR. D
API 5L: A, B, X42, X46, X52, X56, X60, X65 X70
Size:
BS1387:1985 ERW Pipe
DN | A | B | C | ||||||
Outer diameter | Wall thickness | Outer diameter | Wall Thickness | Outer diameter | Wall Thickness | ||||
max | min | max | min | max | min | ||||
15 | 21.4 | 21.0 | 2.0 | 21.7 | 21.1 | 2.6 | 21.7 | 21.1 | 3.2 |
20 | 26.9 | 26.4 | 2.3 | 27.2 | 26.6 | 2.6 | 27.2 | 26.6 | 3.2 |
25 | 33.8 | 33.2 | 2.6 | 34.2 | 33.4 | 3.2 | 34.2 | 33.4 | 4.0 |
32 | 42.5 | 41.9 | 2.6 | 42.9 | 42.1 | 3.2 | 42.9 | 42.1 | 4.0 |
40 | 48.4 | 47.8 | 2.9 | 48.8 | 48.0 | 3.2 | 48.8 | 18.0 | 4.0 |
50 | 60.2 | 59.6 | 2.9 | 60.8 | 59.8 | 3.6 | 60.8 | 59.8 | 4.5 |
65 | 76.0 | 75.2 | 3.2 | 76.6 | 75.4 | 3.6 | 76.6 | 75.4 | 4.5 |
80 | 88.7 | 87.9 | 3.2 | 89.5 | 88.1 | 4.0 | 89.5 | 88.1 | 5.0 |
100 | 113.9 | 113.0 | 3.6 | 114.9 | 113.1 | 4.5 | 114.9 | 113.3 | 5.4 |
125 | 141.3 | 141.0 | 4.5 | 140.6 | 138.7 | 5.0 | 140.6 | 138.7 | 5.4 |
150 | 168.3 | 168.0 | 5.0 | 166.1 | 164.1 | 5.0 | 166.1 | 164.1 | 5.4 |