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Q195 Carbon Steel Pipe
1. Competitive price and quality from our own factory
2. Approved by ISO9001, CE, SGS every year
3. Best service with 24 hour`s reply
4. Flexible payment with T/T,L/C , paypal, kunlun bank, etc
5. Quick delivery and standard exporting package
6. OEM/ODM
Description
| General Specifications & Dimensions | ||
| Parameter | Specification / Range | Notes |
| Nominal Pipe Size (NPS) Range | 1/8" to 48" (DN 6 to DN 1200) | Covers the standard range for welded and seamless carbon steel pipes |
| Outside Diameter (OD) | 10.3 mm to 1219.2 mm | Standardized dimensions per ASME B36.10M |
| Wall Thickness (Schedule) | Sch 5, 10, 20, 30, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS | Schedule designates wall thickness; STD and XS have fixed thicknesses for larger NPS |
| Length | Typically 6 m or 12 m; custom lengths available up to 12000 mm | Standard mill lengths; custom lengths available upon request |
| Pipe Types | Seamless (SMLS), Electric Resistance Welded (ERW), Cold-Formed Welded | Seamless for high pressure/temperature; welded for structural and general purposes |
| Applicable Standards | ASTM A53, ASTM A106, API 5L, ASTM A500, ASTM A333, DIN, JIS, BS | Standards cover chemical composition, mechanical properties, and applications |
| Delivery Condition | As-Rolled, Annealed (A), Normalized (N), Quenched & Tempered (Q+T), Stress Relieved (SR) | Heat treatment affects final mechanical properties |
| Dimensional Tolerances | ||
| Parameter | Tolerance | Notes |
| Outside Diameter (Hot Finished) | Under 50mm: ±0.5mm; 50mm or over: ±1% | Per JIS G3445 tolerances |
| Outside Diameter (Cold Drawn) | Under 25mm: ±0.12mm; up to 40mm: ±0.15mm | Tighter tolerances for cold-finished tubes |
| Wall Thickness | Under 4mm: +0.6mm / -0.5mm; 4mm+: +15% / -12.5% | Per JIS G3445 tolerances |
| Wall Thickness (Precision) | Under 3mm: ±0.3mm; 3mm+: ±10% | Tighter tolerances available for precision applications |
| Length | 0 to +50mm (standard); custom tolerances by agreement | Standard tolerance for mill lengths |
| Dimensional Data & Weight (Reference Table) | ||||
| NPS | Outside Diameter (mm) | Sch 40 / STD Wall (mm) | Sch 80 / XS Wall (mm) | Sch 160 Wall (mm) |
| 1/2" | 21.3 | 2.77 | 3.73 | 4.78 |
| 3/4" | 26.7 | 2.87 | 3.91 | 5.56 |
| 1" | 33.4 | 3.38 | 4.55 | 6.35 |
| 1 1/2" | 48.3 | 3.68 | 5.08 | 7.14 |
| 2" | 60.3 | 3.91 | 5.54 | 8.74 |
| 3" | 88.9 | 5.49 | 7.62 | 11.13 |
| 4" | 114.3 | 6.02 | 8.56 | 17.12 |
| 6" | 168.3 | 7.11 | 10.97 | 18.26 |
| 8" | 219.1 | 8.18 | 12.70 | 23.01 |
| 12" | 323.9 | 10.31 (Sch 40) | 17.48 | 33.32 |
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