We often persist with the theory “Quality To start with, Prestige Supreme”. We are fully committed to delivering our clientele with competitively priced good quality items, prompt delivery and experienced support for Newly Arrival Cold Rolled/Hot Rolled Carbon Seamless Steel Pipe API5l A106 A53 Sch40 ERW Spiral Welded/Galvanized/Alloy/ Round/Square Seamless Pipe, Sincerely hope we are growing up together with our prospects all over the environment.
We often persist with the theory “Quality To start with, Prestige Supreme”. We are fully committed to delivering our clientele with competitively priced good quality items, prompt delivery and experienced support for China Carbon Steel Pipe and Seamless Carbon Steel Pipe, By continuous innovation, we will provide you with more valuable products and services, and also make a contribution for the development of the automobile industry at home and abroad. Both domestic and foreign merchants are strongly welcomed to join us to grow together.
Pipe ordered under this specification is for pressure service at an approximate maximum temperature of 350℃。
Electric resistance welded
Manufacture:Electric resistance welded pipe
Size: O.D.: 15.0～660mm W.T.: 2～20mm
Grade:STPG370, STPG410
Length: 6M or specified length as required.
Ends: Plain End, Beveled End.
Grade and Chemical Composition (％)
|
Grade |
C≤ |
Si≤ |
Mn |
P≤ |
S≤ |
|
STPG370 |
0.25 |
0.35 |
0.30~0.90 |
0.040 |
0.040 |
|
STPG410 |
0.30 |
0.35 |
0.30~1.00 |
0.040 |
0.040 |
|
|
|
|
|
|
|
|
Mechanical Properties |
||||||
|
Grade |
Tensile strength |
Yield strength |
Elongation % |
|||
|
N/ m㎡ |
N/ m㎡ |
No.11 or No.12 test pieces |
No. 5 test pieces |
No. 4 test piece |
||
|
|
|
Longitudinal |
Transverse |
Longitudinal |
Transverse |
|
|
STPG370 |
370 min |
215 min |
30 min |
25 min |
28 min |
23 min |
|
STPG410 |
410 min |
245 min |
25 min |
20 min |
24 min |
19 min |
Tolerance of OD and W.T
|
Division |
Tolerance on O.D |
Tolerance on W.T |
||
|
Cold finished ERW Steel Pipe |
24A or under |
+/-0.3mm |
Under 3mm
3mm or over |
+/-0.3mm
+/-10% |
|
32A or over |
+/-0.8% |
|
|
|
| For pipes of nominal size 350A or over,the tolerance on O.D maybe determined by the circumferential length. In this case,the tolerance shall be +/-0.5% | ||||
- Quantity ( feet,meters,or number of lengths)
- Name of material(seamless carbon or welded)
- Grade
- Condition(hot finished or cold finished)
- Size (outside diameter and wall thickness)
- Length (specific and random)
- Hydrostatic test or nondestructive electric test
Practicality is straight, the end is cut perpendicularly, and there are no harmful defects on the inner and outer surfaces. Pipe be repaired by grinding or machining, the wall thickness within the given W.T tolerance after repaired. The surface of all repaired parts shall blend smoothly.
Bare pipe, black coating or hot dip zinc-coated( customized);
In bundles with two cotton slings;
Both ends with end protectors;
Plain end, bevel end(When required by the purchaser and S≤22mm, the pipe end of should be bevelled, degree: 30° (+5°~0°), and the wall thickness of the root is not reduced by <2.4mm.);
Marking.
We often persist with the theory “Quality To start with, Prestige Supreme”. We are fully committed to delivering our clientele with competitively priced good quality items, prompt delivery and experienced support for Newly Arrival Cold Rolled/Hot Rolled Carbon Seamless Steel Pipe API5l A106 A53 Sch40 ERW Spiral Welded/Galvanized/Alloy/ Round/Square Seamless Pipe, Sincerely hope we are growing up together with our prospects all over the environment.
Newly Arrival China Carbon Steel Pipe and Seamless Carbon Steel Pipe, By continuous innovation, we will provide you with more valuable products and services, and also make a contribution for the development of the automobile industry at home and abroad. Both domestic and foreign merchants are strongly welcomed to join us to grow together.
