Product Dimension:WELD:0219-3000mm,WT:6mm-200mm.Length:3.0m-200m
Standard:API SPEC 5L PSL1&PSL2,ISO 3183,ASTM A53,ASTM A500,ASTM A252,ASTM A671,ASTM A672,
ASTM A691,EN10210,EN10217,EN10219 etc
Grades:Grade A/B,X42-X80,PSL1&PSL2, B50,B60,B70,C60,C65,C70,CC60,CC65, CC70,CB60,CB65.
CB70,Q215-345,GradeA-E,Grade 1-3,STK290-540,S275JRH, S275JOH,S275J2H,S355JRH,
S355JOH,S355J2H,P355NH, P355GH,S460JR,S460J0,S460J2,P460NH, P460GH
Longitudinal Submerged Arc Welded (LSAW) pipes find widespread applications across various industries due to their robust construction and versatile capabilities. These pipes are commonly employed in the oil and gas industry, serving as key components in the infrastructure for the transmission of crude oil, natural gas, and other hydrocarbons.
Construction industry also benefits from the use of LSAW pipes, especially in projects involving piling, structural support, and foundation works.
Oil and Gas Pipelines: Used extensively for onshore and offshore oil and gas transportation.
Water Transmission: Suitable for transporting water in urban infrastructure and large-scale irrigation projects.
Structural Construction: Used as structural columns and piling pipes in high-rise buildings, bridges, and offshore platforms.
Petrochemical and Chemical Industries: Employed in transporting chemicals and petrochemical products that require robust, corrosion-resistant piping.
LSAW (Longitudinally Submerged Arc Welded Steel pipes) in leaflets plate as raw material, the steel plate in the mold or molding machine pressure (volume) into using double-sided submerged arc welding and flaring from production.
Chemical Composition& Mechanical Properties
Standard |
Grade |
Chemical Composition (max)% |
Mechanical Properties (min) |
|||||
C |
Mn |
Si |
S |
P |
Yield Strength |
Tensile Strength |
||
(Mpa) |
(Mpa) |
|||||||
GB/T700-2006 |
A |
0.22 |
1.4 |
0.35 |
0.05 |
0.045 |
235 |
370 |
B |
0.2 |
1.4 |
0.35 |
0.045 |
0.045 |
235 |
370 |
|
C |
0.17 |
1.4 |
0.35 |
0.04 |
0.04 |
235 |
370 |
|
D |
0.17 |
1.4 |
0.35 |
0.035 |
0.035 |
235 |
370 |
|
GB/T1591-2009 |
A |
0.2 |
1.7 |
0.5 |
0.035 |
0.035 |
345 |
470 |
B |
0.2 |
1.7 |
0.5 |
0.03 |
0.03 |
345 |
470 |
|
C |
0.2 |
1.7 |
0.5 |
0.03 |
0.03 |
345 |
470 |
|
BS En10025 |
S235JR |
0.17 |
1.4 |
- |
0.035 |
0.035 |
235 |
360 |
S275JR |
0.21 |
1.5 |
- |
0.035 |
0.035 |
275 |
410 |
|
S355JR |
0.24 |
1.6 |
- |
0.035 |
0.035 |
355 |
470 |
|
DIN 17100 |
ST37-2 |
0.2 |
- |
- |
0.05 |
0.05 |
225 |
340 |
ST44-2 |
0.21 |
- |
- |
0.05 |
0.05 |
265 |
410 |
|
ST52-3 |
0.2 |
1.6 |
0.55 |
0.04 |
0.04 |
345 |
490 |
|
JIS G3101 |
SS400 |
- |
- |
- |
0.05 |
0.05 |
235 |
400 |
SS490 |
- |
- |
- |
0.05 |
0.05 |
275 |
490 |
|
API 5L PSL1 |
A |
0.22 |
0.9 |
- |
0.03 |
0.03 |
210 |
335 |
B |
0.26 |
1.2 |
- |
0.03 |
0.03 |
245 |
415 |
|
X42 |
0.26 |
1.3 |
- |
0.03 |
0.03 |
290 |
415 |
|
X46 |
0.26 |
1.4 |
- |
0.03 |
0.03 |
320 |
435 |
|
X52 |
0.26 |
1.4 |
- |
0.03 |
0.03 |
360 |
460 |
|
X56 |
0.26 |
1.1 |
- |
0.03 |
0.03 |
390 |
490 |
|
X60 |
0.26 |
1.4 |
- |
0.03 |
0.03 |
415 |
520 |
|
X65 |
0.26 |
1.45 |
- |
0.03 |
0.03 |
450 |
535 |
|
X70 |
0.26 |
1.65 |
- |
0.03 |
0.03 |
585 |
570 |
Range of Roller Pipes
Number |
Technical parameter |
Unit |
HQW11s-120X3200 |
||
1 |
Material yield limited |
Mpa |
245 |
345 |
345 |
2 |
Wall thickness |
mm |
120 |
100 |
110 |
3 |
Maximum pre-bending thickness |
mm |
110 |
90 |
100 |
4 |
Maximum width of steel plate |
mm |
3200 |
3200 |
3200 |
5 |
Minimum diameter of fully loaded rolling steel plate |
mm |
2500 |
1600 |
1600 |
Tolerance of Outside Diameter and Wall Thickness
Types |
Standard |
|||||
|
SY/T5040-2000 |
SY/T5037-2000 |
SY/T9711.1-1977 |
ASTM A252 |
AWWA C200-97 |
API 5L PSL1 |
Tube end OD deviation |
±0.5%D |
±0.5%D |
-0.79mm~+2.38mm |
<±0.1%T |
<±0.1%T |
±1.6mm |
Wall thickness |
±10.0%T |
D<508mm, ±12.5%T |
-8%T~+19.5%T |
<-12.5%T |
-8%T~+19.5%T |
5.0mm |
D>508mm, ±10.0%T |
T≥15.0mm, ±1.5mm |