TORICH INTERNATIONAL LIMITED
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Standard: ASTM A 262, A480/A480M, A1016/A 1016M, A923, A967, E527, SAE J1086
OD: 20-304.8mm
WT: 0.4-8.1mm
Usage: This standard is applicable to Welded Austenitic Stainless Steel Tubes for SanitaryTubing
Production process: Welded tube can be produced by Heat Treatment.
Note: Special steel grade is also available, according to customer request.
CHEMICAL REQUIREMENTS
| No. | UNS Designation | Steel Grade | Carbon, max | Manganese, max | Phosphorus, max | sulphur, max | silicon, max | Nickel | Chromium, max | Molybdenum | Nitrogen | Copper |
| 1 | S30400 | TP304 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 8.0-11.0 | 18.0-20.0 | - | - | - |
| 2 | S30403 | TP304L | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 8.0-12.0 | 18.0-20.0 | - | - | - |
| 3 | S31254 | - | 0.020 | 1.00 | 0.030 | 0.010 | 0.8 | 17.5-18.5 | 19.5-20.5 | 6.0-6.5 | 0.18-0.22 | 0.50-1.00 |
| 4 | S31000 | TP316 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 10.0-14.0 | 16.0-18.0 | 2.00-3.00 | - | - |
| 5 | S31603 | TP316L | 0.035 |
0.045 |
0.030 | 1.00 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 | - | - | |
| 6 | N08926 | - | 0.020 | 2.00 | 0.030 | 0.010 | 0.50 | 24.0-26.0 | 19.0-21.0 | 6.0-7.0 | 0.15-0.25 | 0.50-1.5 |
| 7 | N08367 | - | 0.030 | 2.00 | 0.040 | 0.030 | 1.00 | 23.5-25.5 | 20.0-22.0 | 6.0-7.0 | 0.18-0.25 | 0.75max |
| 8 | S31803 | - | 0.030 | 2.00 | 0.030 | 0.020 | 1.00 | 4.5-6.5 | 21.0-23.0 | 2.5-3.5 | 0.08-0.20 | - |
| 9 | S32205 | - | 0.030 | 2.00 | 0.030 | 0.020 | 1.00 | 4.5-6.5 | 22.0-23.0 | 3.0-3.5 | 0.14-0.20 | - |
| 10 | S32750 | - | 0.030 | 1.20 | 0.035 | 0.020 | 0.80 | 6.0-8.0 | 24.0-26.0 | 3.0-5.0 | 0.24-0.32 | 0.50max |
| 11 | S32003 | - | 0.030max | 2.00max | 0.030 | 0.020max | 1.00max | 3.0-4.0 | 19.5-22.5 | 1.5-2.0 | 0.14-0.20 | - |
Permissible Variations in Dimensions
| Size, Outside, Diameter, in. [mm] | Permissible Variations in Outside Diameter, in. [mm] | Permissible Variations in Cut Length, in. [mm] | ||
| Over | Under | Over | Under | |
| 1.000[25]and under | 0.005[0.13] | 0.005[0.13] | 1/8 [3] | 0 |
| Over 1[25] to 2[50] | 0.008[0.20] | 0.008[0.20] | 1/8 [3] | 0 |
| Over 2[50] to 3[75] | 0.010[0.25] | 0.010[0.25] | 1/8 [3] | 0 |
| Over 3[75] to 4[100] | 0.015[0.38] | 0.015[0.38] | 1/8 [3] | 0 |
| Over 4[100] to 5 1/2[140], excl | 0.015[0.38] | 0.015[0.38] | 3/16 [5] | 0 |
| 5 1/2[140] to 8[200], excl | 0.030[0.75] | 0.030[0.75] | 3/16 [5] | 0 |
| 8[200] to 12[300] | 0.050[1.25] | 0.050[1.25] | 3/16 [5] | 0 |
TORICH A270 Welded Austenitic Stainless Steel SanitaryTubing