ASTM A249 TP202 steel pipe covers nominal-wall-thickness welded tubes and heavily cold worked welded tubes made from the austenitic steels.
ASTM A249 TP202 chemical composition
| Grade | C | Mn | P | S | Si | Cr |
| TP202 | 0.15 | 7.5-10 | 0.06 | 0.03 | 1.00 | 17.0-19.0 |
ASTM A249 TP202 tensile and hardness requirements
| Grade | UNS | Tensile strength min,ksi mpa | Yield strength min,ksi mpa | Elongation in 2in.or 50mm min% | Rockwell hardness number,max |
| TP202 | S20200 | 90[620] | 38[260] | 35 | B95 |
ASTM A249 TP202 Welded stainless steel pipe size and thickness usually furnished to this specification are 1/8in.[3.2mm] in inside diameter to 12in.[304.8mm] in outside diameter and 0.015 to 0.320in.[0.4 to 8.1mm],inclusive,in wall thickness,tubing having other dimensions may be furnished,provide such tubes comply with all other requirements of this specification.
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