| Description | Standard | Grade |
| Carbon Steel Seamless Pipe/Alloy Steel Seamless Pipe | API 5L PSL1&PSL2 | GR.B,X42,X46,X52,X60,X65,X70,etc |
| ASTM A53 | GR.A ,GR.B | |
| ASTM A106 | GR.A ,GR.B，GR.C | |
| API 5CT | J55,K55,N80,L80,P110 ,etc | |
| ASTM A179 | A179 | |
| ASTM A192 | A192 | |
| ASTM A210/SA210 | GR.A-1,GR.C | |
| ASTM A252 | GR.1, GR.2,GR.3 | |
| BS EN10210 | S275JRH,S275J0H,S355J0H,S355J2H,etc | |
| JIS G3454 | STPG370,STPG410 | |
| DIN2391 | ST35,ST37,ST37.4,ST45,ST52,ST52.4 | |
| DIN1629 | ST37,ST44,ST52 | |
| JIS G3456 | STPG370,STPG410,STPG480 | |
| ASTM A213 | GR.T11 ,GR.T12,GR.T13 | |
| ASTM A519 | GR.1020,GR.1026,GR.1045，GR.4130,etc | |
| ASTM A335 | GR.P9,GR.P11,GR.P5,GR.P22，GR.P91,etc | |
| ASTM A333 | GR.1, GR.3,GR.4，GR.6,etc |
Pipe ordered under this specification shall be suitable for bending, flanging, and similar forming operations, and for welding. When the steel is to be welded, it is presupposed that a welding procedure suitable to the grade of steel and intended use or service will be utilized.
Mechanical Properties：
|
|
|
|
A％ |
|
|
A |
≥330 |
≥205 |
20 |
Annealed |
|
B |
≥415 |
≥240 |
20 |
Annealed |
|
C |
≥485 |
≥275 |
20 |
Annealed |
a.Quantity ( feet,meters,or number of lengths)
b.Name of material(seamless carbon steel pipe)
c.Grade
d.Manufacture (hot rolled or cold drawn)
e.Size (outside or inside diameter,normal wall thickness)
f.Special outside diameter tolerance pipe
g.Inside diameter tolerance pipe ,over 10 inch.
h.Length (specific or random)
i.Optional requirement.
j.NDT reports ,e.g
Bare pipe, black coating ( customized);
6" and below sizes In bundles with two cotton slings, other sizes in loose;
Both ends with end protectors;
Plain end, bevel end;
Marking.
