Parameter/Model |
KJ-14/914(965)¡Á12500 |
KJ-20/1422¡Á12500 |
KJ-25.4/1422¡Á12500 |
Expanded steel pipe |
spirall welding pipe |
spirall welding pipe |
spirall welding pipe |
Expanding mode |
mechanically expanding |
mechanically expanding |
mechanically expanding |
Range of expanded steel pipe |
Diameter(mm) |
¦µ323.9¡«¦µ914 |
¦µ508¡«¦µ1422 |
¦µ610¡«¦µ1422 |
| Wall thick(mm) |
5¡«14 |
6¡«20 |
6¡«25.4 |
| Max.material |
X70 |
X70 |
X70 |
Expanding length |
Flat and straight section(mm) |
150 |
150 |
150 |
| Transiting section(mm) |
100 |
100 |
100 |
Expanding ratio |
¡Ü1.5%D |
¡Ü1.5%D |
¡Ü1.5%D |
Production efficiency |
less than ¦µ508mm,2 min./pcs. |
less than ¦µ711mm,3 min./pcs. |
less than ¦µ813mm,3 min./pcs. |
| less than ¦µ508mm,3min./pcs. |
less than ¦µ711mm,4-5 min./pcs. |
more than ¦µ711mm,4-5 min./pcs. |
Requirements to pipe body |
conform with the requirements of API spec5L std.,(the 42th edition) to the deviation of pipe body,and the inner welding seam within 250mm from ends of the pipe has been grinded,and the surplus height is no more than 0.5mm. |
Pipe end after expanding |
ovality |
0.5%D(on basis of over 0.3% of expanding ratio) |
0.5%D(on basis of over 0.3% of expanding ratio) |
0.5%D(on basis of over 0.3% of expanding ratio) |
| Diameter(measuring on circumference) |
D+1.6-0.5 |
D+1.6-0.5 |
D+1.6-0.5 |
Weight(kg) |
42000 |
55000 |
800000 |
¡®
