Seamless steel pipe
Welded steel pipe
Carbon steel pipe
Alloy pipe
galvanized steel pipe
stainless steel pipe
steel pipe schedule
pipe fittings
ASTM A106 GR-B seamless fluid pipe
1.ISO & API approved;
2.OD:1/2"-16'. WT:sch5s-schxxs;
3.Hot rolled,cold drawn:
Large wall thicknes seamless steel pipe:

|
Pipe types |
Pipe size mm |
Tolerances |
|
|
Hot rolled |
OD |
<50 |
-0.5/+0.5mm |
|
>=50 |
-0.1/+0.1% |
||
|
WT |
<4 |
-12.5/+12.5% |
|
|
>=4-20 |
+15% -12.5% |
||
|
>20 |
-12.5/+12.5% |
||

Hot rolled pipes:
Hot rolled seamless steel tubes can be classified into the common steel pipe, low and medium pressure boiler seamless steel tube, high pressure boiler seamless pipe, stainless steel hot rolled pipe, and more.
hot rolling - heating - piercing - three roller helical rolling, tandem rolling or extrusion - tube knockout - sizing or tube diameter reduction - cooling - semi-finished hot rolled seamless pipes - straightening - water pressure test - labeling - warehousing.
Products can be also supplied according to the standard of ASTM A53,ASTM A106,ASTMA500-98,ASTMA519-98,ISO2937,JIS G 3441-1994,JIS G3444-1994.
