S275J2 ERW Pipe
High-frequency welded steel pipes have smooth appearance, high precision, low cost and small weld reinforcement, which is conducive to coating with 3PE anti-corrosion coating. The welding methods of high-frequency welded steel pipes and submerged arc welded pipes are significantly different. Since welding is completed instantaneously at high speed, ensuring welding quality is much more difficult than with submerged arc welding.
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Size |
OD |
Cold Drawn -- 10.3mm~114.3mm Hot Rolled -- 114.3mm~457.2mm Hot Expanded -- 219.1mm~914.4mm |
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Wall Thickness |
2.24mm-30.96mm SCH10,SCH20,SCH40,SCH80,SCH160,STD,XS, XXS |
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Length |
5.8m,6m,11.8m,12m ,SRL, DRL |
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Steel Pipe Type |
Seamless Steel Pipe |
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Steel material |
Q195 → SS330,ST37,ST42 Q235 → SS400,S235JR Q345 → S355JR,SS500,ST52 20#, Grade B, Grade A |
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Standard |
API 5L, ASTM A53 /A106 /A179 /A500 /A501,JIS G3441 /G3444 /G3454, DIN 10219, DIN 17175 etc. |
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Application |
Mainly used for high-temperature fluids transmission (water,steam,gas,oil and other high-temperature fluids). |
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Ends |
1) Plain 2) Beveled 3) Thread with Coupling or cap 4) Chamfer 5) Groove 6) Screw |
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End protector |
1) Plastic pipe cap 2) Iron protector |
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Surface Treatment |
1) Bared 2) Black Painted (varnish coating) 3) Galvanized 4) Oiled 5) PE,3PE, FBE, corrosion resistant coating, Anti corrosion coating. |
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Section Shape |
Round and Rectangular type |
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Inspection |
With Hydraulic Testing, Ultrasonic examination, Eddy Current , Infrared Test |
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Package |
1) Bundle with steel strips 2) Woven bag |
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Delivery |
1) Container 2) Bulk carrier |
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Date of Delivery |
Up to order quantity |
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Payment |
T/T, L/C, D/P, O/A |
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Others |
Pipe fittings such as flange,tee,elbow and so on can be also provided |
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Mechnical property for S275J2H Steel Pipe:
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Thickness (mm) |
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≤ 16 |
> 16 ≤ 40 |
> 40 ≤ 63 |
> 63 ≤ 80 |
> 80 ≤ 100 |
> 100 ≤ 120 |
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Yield strength (≥Mpa) |
275 |
265 |
255 |
245 |
235 |
225 |
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< 3 |
≥ 3 ≤ 100 |
> 100 ≤ 120 |
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Tensile strength (Mpa) |
430-580 |
410-560 |
400-540 |
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Chemical composition for S275J2H Steel pipe (Ladle Analysis Max%)
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Main chemical elements composition of S275J2H |
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Thickness(mm) |
C |
Si |
Mn |
P |
S |
N |
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T≤40 |
0.20 |
... |
1.50 |
0.030 |
0.030 |
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40<T≤65 |
0.22 |
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ERW Pipe
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