Stainless Steel Cold rolled Seamless Tubes 304 /316GB/T 14975 , ASTM A269 / A269M
Brand Name:Torich
Certification:TS16949 ISO9001 ISO14001
Model Number:A269
Minimum Order Quantity:0.5tons
Delivery Time:5-8weeks days
Payment Terms:L/C, T/T
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Cold rolled Seamless Stainless Steel Tubes 304 /316
Standard: GB/T 14975, ASTM A269 / A269M, ASTM A511 / A511 M
Material: S30408 S30403 304 304L TP304 TP304L 316 316L TP316 TP316L 12Cr18Ni9, 06Cr19Ni10, 022Cr19Ni10, 06Cr19Ni10N, 06Cr19Ni9NbN, 022Cr19Ni10N, 06Cr23Ni13, 06Cr25Ni20, 015Cr20Ni18Mo6CuN, 06Cr17Ni12Mo2, 022Cr17Ni12Mo2
Cold rolled Seamless Stainless Steel Tubes 304 /316
The Tolerance of Nominal Outer Diameter and Wall Thickness Unit:mm
| Cold Drawn(Roll) Steel Tube | |||
| Diamension | Tolerance | ||
| Ordinary Level PA | High Level PC | ||
Nominal Outer Diameter D | <12.7 | ±0.30 | ±0.10 |
| 12.7~<38.1 | ±0.30 | ±0.15 | |
| 38.1~<88.9 | ±0.40 | ±0.30 | |
| 88.9~<139.7 | ±0.9%D | ±0.40 | |
| 139.7~<203.2 | ±0.80 | ||
| 203.2~<219.1 | ±1.10 | ||
| 219.1~<323.9 | ±1.60 | ||
| ≥323.9 | ±0.5%D | ||
Nominal Wall Thinckness S | All Wall Thickness | +12.5%S -10%S | ±10%S |
Tolerance of Minimum Wall Thickness Unit:mm
| Production Method | Diamension | Tolerance | |
| Ordinary Level PA | High Level PC | ||
Hot Roll(Extrusion,Expansion)Steel Tube W-H | Smin<15 | +27.5% Smin 0 | +25% Smin 0 |
| Smin≥15 | +35% Smin 0 | ||
Cold Drawn(Roll) Steel Tube W-C | All Wall Thickness | +22% S 0 | +20% S 0 |
Grade and Chemical Component
| No. | Unified Digital Code | Grade | Chemical Component(Quality Fraction)/% | |||||||||
| C | Si | Mn | P | S | Ni | Cr | Mo | Cu | N | |||
| 1 | S30210 | 12Cr18Ni9 | 0.15 | 1.00 | 2.00 | 0.040 | 0.030 | 8.00~10.00 | 17.00~19.00 | - | - | 0.10 |
| 2 | S30408 | 06Cr19Ni10 | 0.08 | 1.00 | 2.00 | 0.040 | 0.030 | 8.00~11.00 | 18.00~20.00 | - | - | - |
| 3 | S30403 | 022Cr19Ni10 | 0.030 | 1.00 | 2.00 | 0.040 | 0.030 | 8.00~12.00 | 18.00~20.00 | - | - | - |
| 4 | S30458 | 06Cr19Ni10N | 0.08 | 1.00 | 2.00 | 0.040 | 0.030 | 8.00~11.00 | 18.00~20.00 | - | - | 0.10~0.16 |
| 5 | S30478 | 06Cr19Ni9NbN | 0.08 | 1.00 | 2.50 | 0.040 | 0.030 | 7.50~10.50 | 18.00~20.00 | - | - | 0.15~0.30 |
| 6 | S30453 | 022Cr19Ni10N | 0.030 | 1.00 | 2.00 | 0.040 | 0.030 | 8.00~11.00 | 18.00~20.00 | - | - | 0.10~0.16 |
| 7 | S30908 | 06Cr23Ni13 | 0.08 | 1.00 | 2.00 | 0.040 | 0.030 | 12.00~15.00 | 22.00~24.00 | - | - | - |
| 8 | S31008 | 06Cr25Ni20 | 0.08 | 1.50 | 2.00 | 0.040 | 0.030 | 19.00~22.00 | 24.00~26.00 | - | - | - |
| 9 | S31252 | 015Cr20Ni18Mo6CuN | 0.02 | 0.80 | 1.00 | 0.030 | 0.010 | 17.50~18.50 | 19.50~20.50 | 6.00~6.50 | 0.50~1.00 | 0.18~0.22 |
| 10 | S31608 | 06Cr17Ni12Mo2 | 0.08 | 1.00 | 2.00 | 0.040 | 0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | - | - |
| 11 | S31603 | 022Cr17Ni12Mo2 | 0.030 | 1.00 | 2.00 | 0.040 | 0.030 | 10.00~14.00 | 16.00~18.00 | 2.00~3.00 | - | - |
Straightness:
The length of the steel tube should not be greater than 0.15% of the total length of the steel tube and no more than 12mm.
The bending degree of the steel pipe per meter should not be more than the following
—— WT ≤ 15mm, 1.5mm / m
—— WT > 15mm, 2.0mm / m
—— Thermal expansion pipe, 3.0mm / m
Stainless Steel Cold rolled Seamless Tubes 304 /316GB/T 14975 , ASTM A269 / A269M
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