Jiaxing MT stainless steel co.,ltd.
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Heat Exchanger Stainless Steel Welded Tubing , ASTM A270 / A249 For Papermarking
| Material Grade | TP304, TP304L, TP304H, TP316, TP316L, TP316Ti, TP309S, TP310S, TP321, TP321H, TP347, TP347H, etc |
| Outer Diameter | 5.80mm-2032mm (0.23" to 80") |
| Wall Thickness | 0.25mm-28mm (0.01" to 1.125") |
| Length | Normally fixed length 6m, can as per customer’s requirement |
| Standard | ASTM A312; ASTM A269; ASTM A789; ASTM A790 ect. |
| Process Method | ERW, EFW etc |
ASTM A249 Standard :
| Size OD | Nominal Wall | Outside Diameter | Length | Wall |
| 1/2" (12.7) | 0.065" (1.65)/0.049" (1.25) | +/-0.005 (0.13) | +1/8" (3.18) - 0 | +/-10.0% |
| 3/4" (19.1) | 0.065" (1.65)/0.049" (1.25) | +/-0.005 (0.13) | +1/8" (3.18) - 0 | +/-10.0% |
| 1" (25.4) | 0.065" (1.65)/0.049" (1.25) | +/-0.005 (0.13) | +1/8" (3.18) - 0 | +/-10.0% |
| 1-1/2" (38.1) | 0.065" (1.65)/0.049" (1.25) | +/-0.008" (0.20) | +1/8" (3.18) - 0 | +/-10.0% |
| 2" (50.8) | 0.065" (1.65)/0.049" (1.25) | +/-0.008" (0.20) | +1/8" (3.18) - 0 | +/-10.0% |
| 2-1/2" (63.5) | 0.065" (1.65) | +/-0.010" (0.25) | +1/8" (3.18) - 0 | +/-10.0% |
| 3" (76.2) | 0.065" (1.65) | +/-0.010" (0.25) | +1/8" (3.18) - 0 | +/-10.0% |
| 4" (101.6) | 0.083" (2.11) | +/-0.015" (0.38) | +1/8" (3.18) - 0 | +/-10.0% |
| 6" (152.4) | 0.083" (2.11) | +/-0.030" (0.76) | +1" (25.4) - 0 | +/-10.0% |
| 6" (152.4) | 0.109" (2.77) | +/-0.030" (0.76) | +1" (25.4) - 0 | +/-10.0% |
| 8" (203.2) | 0.109" (2.77) | +0.061" (1.55)/-0.031" (0.79) | +1" (25.4) - 0 | +/-10.0% |
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Application :
a) For fluid and gas transport
b) Structure and machining
c) Heat exchanger pipes etc
| Stanard Wire Gauge ( Fomerly Imperial Wire Gauge ) SWG | |||||
| SWG | Wall Thickness | SWG | Wall Thickness | ||
| 0 | 0.324 | 8.23 | 21 | 0.032 | 0.81 |
| 1 | 0.3 | 7.62 | 22 | 0.028 | 0.71 |
| 2 | 0.276 | 7.01 | 23 | 0.024 | 0.61 |
| 3 | 0.252 | 6.4 | 24 | 0.022 | 0.56 |
| 4 | 0.232 | 5.89 | 25 | 0.02 | 0.51 |
| 5 | 0.212 | 5.38 | 26 | 0.018 | 0.46 |
| 6 | 0.192 | 4.88 | 27 | 0.0164 | 0.42 |
| 7 | 0.176 | 4.47 | 28 | 0.0148 | 0.38 |
| 8 | 0.16 | 4.06 | 29 | 0.0136 | 0.35 |
| 9 | 0.144 | 3.66 | 30 | 0.0124 | 0.31 |
| 10 | 0.128 | 3.25 | 31 | 0.0116 | 0.29 |
| 11 | 0.116 | 2.95 | 32 | 0.0108 | 0.27 |
| 12 | 0.104 | 2.64 | 33 | 0.01 | 0.25 |
| 13 | 0.092 | 2.34 | 34 | 0.0092 | 0.23 |
| 14 | 0.08 | 2.03 | 35 | 0.0084 | 0.21 |
| 15 | 0.072 | 1.83 | 36 | 0.0076 | 0.19 |
| 16 | 0.064 | 1.63 | 37 | 0.0068 | 0.17 |
| 17 | 0.056 | 1.42 | 38 | 0.006 | 0.15 |
| 18 | 0.048 | 1.22 | 39 | 0.0052 | 0.13 |
| 19 | 0.04 | 1.02 | 40 | 0.0048 | 0.12 |
| 20 | 0.036 | 0.91 | |||
