| Specifications | Range |
| Out Diameter |
1/4 inch-36 inch |
| Wall Thickness |
1.25 mm-50 mm |
| Length | 3.0m-18m |
Types of Seamless Carbon Steel Pipe from Our Factory
|
Types |
Uses |
|
Structure Purposes |
General structure and mechanical |
|
Liquid Services |
Petroleum, gas and other fluids conveying |
|
Low and Medium Pressure |
Steam and boiler manufacturing |
|
Hydraulic Pillar Service |
Hydraulic support |
|
Auto Semi-shaft Casing |
Auto sem-shaft casing |
|
Line Pipe |
Oil and gas conveying |
|
Tubing and Casing |
Oil and gas conveying |
|
Drill Pipes |
Well drilling |
|
Geological Drilling Pipes |
Geological drilling |
|
Petroleum Cracking Tubes |
Furnace tubes, heat exchangers |
Standards and Applications
| Standards | Grades | Class |
| API |
API 5L |
Line pipe for pipeline transportation systems |
|
API 5CT |
Tubing and casing for wells |
|
|
API 5DP |
Drill Pipe for well drilling |
|
| ASTM |
ASTM A53 |
Used as structural steel or for low-pressure plumbing |
|
ASTM A106 |
seamless carbon steel pipe for high-temperature service |
|
|
ASTM A335 |
for seamless ferritic alloy-steel pipe for high-temperature service |
|
|
ASTM A213 |
for seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes |
|
|
ASTM A179 |
for seamless Cold-drawn low-carbon steel heat-exchanger and condenser tubes |
|
|
ASTM A192 |
for seamless carbon steel boiler tubes for high-pressure service |
|
|
ASTM A210 |
for seamless medium-carbon steel boiler and superheater tubes |
|
|
ASTM A333 |
for seamless steel pipe for low-temperature service and other applications with required notch toughness |
|
|
ASTM A519 |
for seamless carbon and alloy steel mechanical tubing |
|
|
ASTM A252 |
for seamless and welded steel pipe piles |
|
| DIN |
DIN 17175 |
for heat resistant seamless steel pipe lines |
|
DIN 1629 |
for seamless circular tubes of non alloys steels wth special quality requirements |
|
|
DIN 2391 |
for cold drawn or cold rolled precision seamless steel tubes |
|
| JIS |
JIS G3454 |
seamless carbon steel pipe for pressure service |
|
JIS G3456 |
seamless carbon steel pipe for high temperature service |
|
|
JIS G3461 |
seamless carbon steel pipe for boiler and heat exchanger |
|
| EN |
EN 10210 |
for hot finished seamless structural hollow sections of non-alloy steels |
|
EN 10216 |
seamless steel tubes for pressure purposes |
|
| BS |
BS 3059 |
for carbon,alloy and austenitic stainless steel tubes with specified elevated temperature properties |
|
Pipe types |
Pipe Szie(mm) |
Tolerances |
|
|
Hot rolled |
OD |
<50 |
±0.50mm |
|
≥50 |
±1% |
||
|
WT |
<4 |
±12.5% |
|
|
≥4～20 |
+15%, -12.5% |
||
|
>20 |
±12.5% |
||
|
Cold drawn |
OD |
6～10 |
±0.20mm |
|
10～30 |
±0.40mm |
||
|
30～50 |
±0.45 |
||
|
>50 |
±1% |
||
| WT | <1 | ±0.15mm | |
|
>1～3 |
+ 15%, - 10% |
||
|
>3 |
+ 12.5%, - 10% |
||
