| 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 |
Botop Steel is the leading manufacturer and stockist of steel pipe and tubes in China, we stock and supply circular seamless carbon steel pipe for liquid and petroleum applications in size range of 10 OD to 660 OD in thickness range of 1mm to 100mm. We manufacture carbon LSAW steel pipes strictly according to international standard like ASTM,API &DIN. We owns more than 8000 tons seamless line pipe in stock monthly, generally we can be deliver the goods immediately. However in special cases, if stock of carbon steel pipes is not available we can deliver the goods with shortest delivery time through local mill sources or import
All our steel pipes and tube products are supplied with 3.1 specific test certificates, according to EN 10204. Certification according to 3.2 can be agreed at the time of ordering. Third party inspection is accepted(BV, SGS,etc)
A sufficient number of visual surface imperfections to
provide seasonable assurance is necessary.
The defect shall be removed or cut off within the
limits of requirements on length . The finished pipe
shall be reasonably straight.
Manufacturer’s name or mark
Specification number(year-date or required)
Size( OD, W.T, length)
Grade( A or B)
Type of pipe( F, E, or S)
Test pressure( seamless steel pipe only)
Heat Number
Any additional information specified in the purchase order.
Grade and Chemical Composition (％)
|
Grade |
C≤ |
Mn |
P≤ |
S≤ |
Si≥ |
Cr≤ |
Cu≤ |
Mo≤ |
Ni≤ |
V≤ |
|
A |
0.25 |
0.27-0.93 |
0.035 |
0.035 |
0.10 |
0.40 |
0.40 |
0.15 |
0.40 |
0.08 |
|
B |
0.30 |
0.29-1.06 |
0.035 |
0.035 |
0.10 |
0.40 |
0.40 |
0.15 |
0.40 |
0.08 |
|
C |
0.35 |
0.29-1.06 |
0.035 |
0.035 |
0.10 |
0.40 |
0.40 |
0.15 |
0.40 |
0.08 |
Mechanical Properties：
|
|
|
|
A％ |
|
|
A |
≥330 |
≥205 |
20 |
Annealed |
|
B |
≥415 |
≥240 |
20 |
Annealed |
|
C |
≥485 |
≥275 |
20 |
Annealed |
Out Diameter Inspection
Wall Thickness Inspection
End Inspection
Straightness Inspection
UT Inspection
Appearance Inspection
Pipe End Beveling
Plastic Caps
Black Painting with Marking
Wrapper
Bundling and Sling
Package Appearance
Seamless Pipe Ship to Qatar
Seamless Pipe ship to Pakistan
Seamless Pipe Ship to South Africa
Seamless Pipe ship to Ecuador
