生产机组
COE生产线可生产直缝高频焊管、方矩形管和直缝双面埋弧焊管等产品。该生产线的生产工艺是珠江钢管独有的专利技术（发明专利，专利号：ZL20071003068.X），生产效率高、产品质量稳定，尤其适合生产大壁厚的直缝高频焊管和中小口径的直缝双面埋弧焊管。生产线配套了LINSINGER公司的铣边机，EFD公司的1500kW高频焊机和五台500-960kW中频热处理机等先进装备，可按要求在线对直缝高频焊管的焊缝和热影响区进行退火、正火或调质处理。
产品规格
直径：HFW Φ245-762mm(9"-30")、SAWL Φ355.6-762mm(14"-30")
壁厚：4.8-25.4mm(1/6"-1")
标准：API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA
长度：HFW8.0-18.5(26' - 61' )、SAWL8.0-12.5(26' - 41' )
材质：API 5L A-X90, GB/T9711 L190-L625
制作工艺
产品范围
| 管径 Pipe O.D |
壁厚 W.T. |
长度Length(m) |
| 最小屈服强度 Min.Yield Strength(Mpa) |
| In. |
Mm |
245(B) |
290(X42) |
320(X46) |
360(X52) |
390(X56) |
415(X60) |
450(X65) |
485(X70) |
555(X80) |
HFW |
SAWL |
| 9 5/8 |
244.5 |
4.8-15.5 |
4.8-15.1 |
4.8-14.8 |
4.8-14.5 |
4.8-14.2 |
4.8-14.0 |
4.8-13.6 |
4.8-13.3 |
4.8-12.7 |
8.0-18.5 |
/ |
| 10 3/4 |
273.1 |
5.0-16.5 |
5.0-15.9 |
5.0-15.6 |
5.0-15.2 |
5.0-14.8 |
5.0-14.6 |
5.0-14.2 |
5.0-13.8 |
5.0-13.1 |
8.0-18.5 |
/ |
| 12 3/4 |
323.9 |
5.5-18.2 |
5.5-17.5 |
5.5-16.9 |
5.5-16.4 |
5.5-15.9 |
5.5-15.6 |
5.5-15.2 |
5.5-14.7 |
5.5-13.8 |
8.0-18.5 |
/ |
| 13 3/8 |
339.7 |
5.6-18.8 |
5.6-17.9 |
5.6-17.3 |
5.6-16.8 |
5.6-16.3 |
5.6-15.9 |
5.6-15.5 |
5.6-15.0 |
5.6-14.0 |
8.0-18.5 |
/ |
| 14 |
355.6 |
5.7-19.3 |
5.7-18.4 |
5.7-17.8 |
5.7-17.1 |
5.7-16.6 |
5.7-16.3 |
5.7-15.8 |
5.7-15.3 |
5.7-14.2 |
8.0-18.5 |
/ |
| 16 |
406 |
6.2-21.0 |
6.2-19.9 |
6.2-19.1 |
6.2-18.4 |
6.2-17.8 |
6.2-17.3 |
6.2-16.7 |
6.2-16.1 |
6.2-14.9 |
8.0-18.5 |
8.0-12.5 |
| 18 |
457 |
6.6-22.8 |
6.6-21.4 |
6.6-20.4 |
6.6-19.6 |
6.6-18.9 |
6.6-18.4 |
6.6-17.7 |
6.6-17.0 |
6.6-15.6 |
8.0-18.5 |
8.0-12.5 |
| 20 |
508 |
7.0-25.4 |
7.0-23.0 |
7.0-21.8 |
7.0-20.8 |
7.0-20.0 |
7.0-19.5 |
7.0-18.7 |
7.0-17.9 |
7.0-16.3 |
8.0-18.5 |
8.0-12.5 |
| 22 |
559 |
7.4-25.4 |
7.4-24.5 |
7.4-23.1 |
7.4-22.1 |
7.4-21.1 |
7.4-20.5 |
7.4-19.6 |
7.4-18.8 |
7.4-17.0 |
8.0-18.5 |
8.0-12.5 |
| 24 |
610 |
7.9-25.4 |
7.9-25.4 |
7.9-25.4 |
7.9-23.3 |
7.9-22.3 |
7.9-21.6 |
7.9-20.6 |
7.9-19.6 |
7.9-17.7 |
8.0-18.5 |
8.0-12.5 |
| 26 |
660 |
8.3-25.4 |
8.3-25.4 |
8.3-25.4 |
8.3-24.5 |
8.3-23.4 |
8.3-22.6 |
8.3-21.6 |
8.3-20.5 |
8.3-18.4 |
8.0-18.5 |
8.0-12.5 |
| 28 |
711 |
8.7-25.4 |
8.7-25.4 |
8.7-25.4 |
8.7-25.4 |
8.7-24.5 |
8.7-23.7 |
8.7-22.5 |
8.7-21.4 |
8.7-19.1 |
8.0-18.5 |
8.0-12.5 |
| 30 |
762 |
8.7-25.4 |
8.7-25.4 |
8.7-25.4 |
8.7-25.4 |
8.7-24.5 |
8.7-23.7 |
8.7-22.5 |
8.7-21.4 |
8.7-19.1 |
8.0-18.5 |
8.0-12.5 |