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gas industry ST52 / SAE1026 seamless steel pipe , cylinder
| Model No. : | T95,Q125 |
|---|---|
| Brand Name : | KOMAL |
Product description
Full series seamless steel pipe used for casing,tubing and other pipes
Describtion:
size: cylinder ID 30-500mm GB/T3639-2000
thickness2-50mm
materiel: 20# 45# 16Mn 27iMn, ST52, SAE1026
standard: T95,C95,L80,Q125 ETC.
Specification:
| Delivery condition |
Cold finished(hard)(BK) | Cold drawn and stess relieved(BK+S) | |||
| Steel grade | Rm MPa | Elongation A5 (%) | Rm MPa | ReH MPa | Elongation A5 (%) |
| 20# | ≥550 | ≥8 | ≥520 | ≥375 | ≥15 |
| 45# | ≥640 | ≥5 | ≥600 | ≥520 | ≥10 |
| 16Mn | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 |
| 25Mn | ≥640 | ≥5 | ≥600 | ≥510 | ≥12 |
| 27SiMn | ≥840 | ≥5 | ≥800 | ≥720 | ≥10 |
| ST45 | ≥550 | ≥5 | ≥520 | ≥375 | ≥15 |
| ST52* | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 |
| SAE1026 | ≥640 | ≥5 | ≥600 | ≥510 | ≥12 |
| Size of ID | I.D Tolerance | Tolerance of wall thickness |
|||
| H8 | H9 | H10 | |||
| >30 | +0.0030 | +0.0520 | +0.0840 | < 120mm ( O.D ) ± 5% ≥120mm up to 210mm ± 7.5% > 210mm ± 10% |
|
| >30-50 | +0.0390 | +0.0620 | +0.1000 | ||
| >50-80 | +0.0460 | +0.0740 | +0.1200 | ||
| >80-120 | +0.0540 | +0.0870 | +0.1400 | ||
| >120-180 | +0.0630 | +0.0100 | +0.1600 | ||
| >180-250 | +0.0720 | +0.1150 | +0.1850 | ||
| >250-315 | +0.0810 | +0.1300 | +0.2100 | ||
| >315-400 | +0.0890 | +0.1400 | +0.2300 | ||
| Processing form |
I.D mm | Length | Straightness | I.D tolerance | I.D Roughness (RA) |
| Cold-rolled | 30-100 | ≤12M | 0.3-1.0/1000 | H8-H10 | 0.4—1.6 pm |
| Cold-drawn | 30-250 | ≤12M | H8-H10 | 0.8-1.6 pm | |
| Hone | 40-500 | ≤12M | H8-H9 | 0.4-0.8 m m | |
| SRB | 50-250 | ≤9M | H8 | 0.1-0.4m m |
Applications:
Oil and gas industry, transportation,constructions;Bridge,scaffolding pipe.etc.
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