We can
produce transportation welded pipes for medium or high pressure oil and gas, low
or medium pressure gas, steam and hot water. Our product is suitable for
chemical industry, architecture, power engineering and pipes under acid and
undersea environment .
Type ranger
Product line |
OD range
(mm) |
Thickness
(mm) |
length
(m) |
Steel grade |
Standard |
ERW |
Φ21.3~φ630 |
1.5~16 |
6~12.8 |
A,B ~
X70(API5L)
J55,Q235,Q345 |
GB/T3091,GB/T13793,GB/T9711,ASTM
A53,API SPEC 5L,API SPEC 5CT and so on. |
SSAW |
φ219~φ2540 |
5.6 ~25.4 |
6~15 |
A,B,X42~X80(API 5L)
,Q235,Q345 |
GB/T3091,GB/T9711,API SPEC
5L,ISO 3183 and so on. |
LSAW |
φ406~φ1422 |
7.0 ~50 |
6~12.8 |
A,B,X42~X80(API 5L)
,Q235,Q345 |
GB/T3091,GB/T9711,API SPEC
5L,ISO 3183 and so on. |
Line pipe coating |
External FBE External
2PE/PP External
3PE/PP |
ERW guaranty
- Advanced
technique
- We use foreign advanced technique
for ERW pipe lines, adopting PLC automatic
controlling with a
higher automatic level, which is the most advanced level in the
world.
- Complete inspecting
technique
Our ERW product line is
matched with online Steel Automatic ultrasonic flaw detector, online Steel
pipe Automatic ultrasonic flaw detector, offline Automatic ultrasonic flaw
detector, Electromagnetic ultrasonic flaw detector , Manual ultrasonic flaw
detector, Magnetic Flaw Detector , Magnetic Field Tester , Hydrostatic Testing
Machine and so on.
SSAW guaranty
We
have advanced SSAW welding pipe product line which makes the production
continuous and elimination of the plate curve. Inside and outside welding
uses twin wire series power submerged arc welding technique with automatic seam
tracking system,making the welding process more steady and reliable, then
guarantee the welding quality.
- Complete testing technique
Our
SSAW pipe product line with Hydrostatic Testing Machine, X-ray inspect machines,
portable X-ray inspect machines, automatic Ultrasonic Flaw Detect machine,
Manual Detector , Magnetic Flaw Detector, Magnetic Field Tester and so on
other equipment.
The
nominal outside diameter, wall thickness and weight per unit length of the
spiral submerged arc welded steel pipe (SY/T5040-2000,
SY/T5037-2000,GB/T9711.1-197,GB/T9711.2-1999,API spec 5L
44theidtion)