ASTM A249 Tube Manufacturer in China,ASTM A249 Stainless Tubes Supplier
Type: Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
Grades: TP304, TP304L, TP304H
Size: 1/8” NB to 5” NB, 1/4” OD to 5” OD sizes stainless steel seamless tubes also available
Length: Up to 6 meters, custom cut lengths
Thickness: 1mm to 13mm, SCH 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S as per ANSI B36.19/36.10
Finish: No.1 Pickled Finish, No.4 finish, BA Finish, Electropolished Pipes
Delivery Condition: Hot Finish, Cold Finish, Bright Annealed, Polished, Annealed and Pickled, Passivated, Stress Relived
ASTM A249 Tubing Sizes| NB SIZES | SCH 5 | SCH 10 | SCH 40 | SCH 80 | SCH 160 |
|---|---|---|---|---|---|
1/8″ |
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1/4″ |
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3/8″ |
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1/2″ |
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3/4″ |
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1″ |
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1 1/4″ |
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1 1/2″ |
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2″ |
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2 1/2″ |
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3″ |
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4″ |
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5″ |
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6″ |
| Specification | Size OD Range Inches | Tolerances | |||
|---|---|---|---|---|---|
| O.D. | Wall | ||||
| Plus | Minus | Plus | Minus | ||
| ASTM-A-249 | Under 1.000 | .004" | .004" | 10% | l0% |
| ASME-SA-249 | 1.000 to 1.500 | .006" | .006" | 10% | 10% |
| Welded & Cold Worked | 1.501 to 1.999 | .008" | .008" | l0% | 10% |
| Heat Exchanger Tube | 2.000 to 2.499 | .010" | .010" | 10% | 10% |
| Average Wall | 2.500 to 2.999 | .012" | .012" | 10% | 10% |
| (see Note 1) | 3.000 to 4.000 | .015" | .015" | 10% | 10% |
| 4.001 to 5.000 | .015" | .025" | 10% | 10% | |
| ASTM-A-213 | Under 1.000 | .004" | .004" | 20% | 0% |
| ASME-SA-213 | 1.000 to 1.500 | .006" | .005" | 20% | 0% |
| Cold Finished Seamless | 1.501 to 1.999 | .008" | .008" | 22% | 0% |
| Heat Exchanger Tube | 2.000 to 2.499 | .010" | .010" | 22% | 0% |
| Minimum Wall | 2.500 to 2.999 | .012" | .012" | 22% | 0% |
| (see Note 2 & 3) | 3.000 to 4.000 | .015" | .015" | 22% | 0% |
| 4.001 to 5.000 | .015" | .025" | 22% | 0% | |
Notes (1) Also available in minimum wall + 18/-0%. (2) Also available in average wall ± 10% (3) Also available hot finished, see specification for tolerances. | |||||
| Grade | UNS No. | EN No. | C | Cr | Ni | Mo | Others |
| 304 | S30400 | 1.4301 | 0.08 | 18.00 – 20.00 | 8.00 – 12.00 | – | – |
| 304L | S30403 | 1.4307 | 0.035 | 18.00 – 20.00 | 8.00 – 12.00 | – | – |
| 310S | S31008 | 1.4845 | 0.08 | 24.00 – 26.00 | 19.00 – 22.00 | – | – |
| 316 | S31620 | 1.4401 | 0.08 | 16.00 – 18.00 | 10.00 – 14.00 | 2.00 – 3.00 | – |
| 316L | S31603 | 1.4404 | 0.035 | 16.00 – 18.00 | 10.00 – 14.00 | 2.00 – 3.00 | – |
| 316H | S31603 | – | 0.04 – 0.10 | 16.00 – 18.00 | 10.00 – 14.00 | 2.00 – 3.00 | – |
| 316Ti | S31635 | 1.4571 | 0.08 | 16.00 – 18.00 | 10.00 – 14.00 | 2.00 – 3.00 | Ti:5X(C+N) – 0.70 |
| 317L | S31703 | 1.4438 | 0.035 | 18.00 – 20.00 | 11.00 – 15.00 | 3.00 – 4.00 | – |
| 321 | S32100 | 1.4541 | 0.08 | 17.00 – 19.00 | 9.00 – 12.00 | – | Ti:5X(C+N) – 0.70 |
| 347 | S34700 | 1.4550 | 0.08 | 16.00 – 18.00 | 10.00 – 14.00 | – | – |
| 347H | S34709 | 1.4551 | 0.04 – 0.10 | 17.00 – 20.00 | 9.00 – 13.00 | – | – |
| Material | Heat treatment | Temperure F (C) Min. | Hardness | |
| Brinell | Rockwell | |||
| TP304 | Solution | 1900 (1040) | 192HBW/200HV | 90HRB |
| TP304L | Solution | 1900 (1040) | 192HBW/200HV | 90HRB |
| TP316 | Solution | 1900(1040) | 192HBW/200HV | 90HRB |
| TP316L | Solution | 1900(1040) | 192HBW/200HV | 90HRB |
| TP321 | Solution | 1900(1040) F | 192HBW/200HV | 90HRB |
| TP347 | Solution | 1900(1040) | 192HBW/200HV | 90HRB |
|
EN-standard Steel no. k.h.s DIN |
EN-standard Steel name |
SAE grade | UNS |
| 1.4006 | X12Cr13 | 410 | S41000 |
| 1.4310 | X10CrNi18-8 | 301 | S30100 |
| 1.4318 | X2CrNiN18-7 | 301LN | |
| 1.4307 | X2CrNi18-9 | 304L | S3043 |
| 1.4306 | X2CrNi19-11 | 304L | S30403 |
| 1.4311 | X2CrNiN18-10 | 304LN | S30453 |
| 1.4301 | X5CrNi18-10 | 304 | S30400 |
| 1.4948 | X6CrNi18-11 | 304H | S30409 |
| 1.4303 | X5CrNi18-12 | 305 | S30500 |
| X5CrNi30-9 | 312 | ||
| 1.4841 | X22CrNi2520 | 310 | S31000 |
| 1.4845 | X 5 CrNi 2520 | 310S | S31008 |
| 1.4541 | X6CrNiTi18-10 | 321 | S32100 |
| 1.4878 | X12CrNiTi18-9 | 321H | S32109 |
| 1.4404 | X2CrNiMo17-12-2 | 316L | S31603 |
| 1.4401 | X5CrNiMo17-12-2 | 316 | S31600 |
| 1.4406 | X2CrNiMoN17-12-2 | 316LN | S31653 |
| 1.4432 | X2CrNiMo17-12-3 | 316L | S31603 |
| 1.4435 | X2CrNiMo18-14-3 | 316L | S31603 |
| 1.4436 | X3CrNiMo17-13-3 | 316 | S31600 |
| 1.4571 | X6CrNiMoTi17-12-2 | 316Ti | S31635 |
| 1.4429 | X2CrNiMoN17-13-3 | 316LN | S31653 |
| 1.4438 | X2CrNiMo18-15-4 | 317L | S31703 |
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