l290Spiral steel pipe l360 spiral steel pipe
L290 spiral steel pipe, L360 spiral pipe specifications price list
| GB spiral pipe name | GB spiral steel pipe size (diameter * wall thickness) | GB spiral pipe name | GB spiral steel pipe size (diameter * wall thickness) |
| 219Spiral steel pipe | 219*6 219*7 219*8 | 273Spiral steel pipe | 273*6 273*7 273*8 |
| 325Spiral steel pipe | 325*6 325*7 325*8 325*9 325*10 | 426Spiral steel pipe | 426*6 426*7 426*8 426*9 426*10 426*11 426*12 |
| 630Spiral steel pipe | 630*6 630*7 630*8 630*9 630*10 630*12 630*14 630*16 | 720Spiral steel pipe | 720*6 720*7 720*8 720*9 720*10 720*12 720*14 720*16 |
| 820Spiral steel pipe | 820*6 820*7 820*8 820*9 820*10 820*12 820*14 820*16 | 920Spiral steel pipe | 920*6 920*7 920*8 920*9 920*10 920*12 920*14 920*16 |
| 1020Spiral steel pipe | 1020*10 1020*12 1020*14 1020*16 1020*18 1020*20 | 1120Spiral steel pipe | 1120*10 1120*12 1120*14 1120*16 1120*18 1120*20 |
| 1220Spiral steel pipe | 1220*10 1220*12 1220*14 1220*16 1220*18 1220*20 | 1420Spiral steel pipe | 1420*10 1420*12 1420*14 1420*16 1420*18 1420*20 |
| 1620Spiral steel pipe | 1620*10 1620*12 1620*14 1620*16 1620*18 1620*20 | 1820Spiral steel pipe | 1820*10 1820*12 1820*14 1820*16 1820*18 1820*20 |
| 2020Spiral steel pipe | 2020*10 2020*12 2020*14 2020*16 2020*18 2020*20 | 2220Spiral steel pipe | 2220*10 2220*12 2220*14 2220*16 2220*18 2220*20 |
| 2420Spiral steel pipe | 2420*10 2420*12 2420*14 2420*16 2420*18 2420*20 | 2620Spiral steel pipe | 2620*10 2620*12 2620*14 2620*16 2620*18 2620*20 |
| 2820Spiral steel pipe | 2820*10 2820*12 2820*14 2820*16 2820*18 2820*20 | 3020Spiral steel pipe | 3020*10 3020*12 3020*14 3020*16 3020*18 3020*20 |
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Mechanical properties
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chemical composition
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Yield Strength
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tensile strength
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Elongation
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C
|
Si
|
Mn
|
S
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P
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||
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MPa
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kg/mm²
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MPa
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kg/mm²
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min
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不大于
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no greater than
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no greater than
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Q215AQ215B
|
215
|
22
|
335-410
|
34-42
|
31
|
0.09-0.15
|
0.03
|
0.25-0.55
|
0.0500.045
|
0.045
|
|
Q235AQ235B
Q235C Q235D Spiral steel pipe |
235
|
24
|
375-460
|
38-47
|
26
|
0.14-0.220.12-0.20
≤0.18 ≤0.17 |
0.30
|
0.30-0.650.30-0.70
0.35-0.80 0.35-0.80 |
0.500.45
0.40 0.035 |
0.0450.045
0.040 0.035 |
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16Mn(Q345B)
|
345
|
35
|
510-600
|
51.60
|
22
|
0.12-0.20
|
0.20-0.55
|
1.2-1.6
|
0.045
|
0.045
|
|
X42
|
289
|
29.5
|
413
|
42.1
|
|
0.28
|
-
|
1.25
|
0.030
|
0.030
|
|
X52
|
358
|
36.5
|
455
|
46.4
|
0.30
|
-
|
1.35
|
0.030
|
0.030
|
|
|
X56
|
386
|
39.4
|
489
|
49.9
|
0.26
|
-
|
1.35
|
0.030
|
0.030
|
|
|
X60
|
413
|
42.1
|
517
|
52.7
|
0.26
|
-
|
1.35
|
0.030
|
0.030
|
|
|
X65
|
448
|
45.7
|
530
|
54.0
|
0.26
|
-
|
1.40
|
0.030
|
0.030
|
|
|
X70
|
482
|
49.2
|
565
|
57.6
|
0.26
|
-
|
1.40
|
0.030
|
0.030
|
|
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L245
|
245
|
|
415
|
|
21
|
0.26
|
|
1.15
|
0.030
|
0.030
|
|
L290
|
290
|
|
415
|
|
21
|
0.28
|
|
1.25
|
0.030
|
0.030
|
|
L360
|
360
|
|
460
|
|
19
|
0.3
|
|
1.25
|
0.030
|
0.030
|
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