ASTM A269 se yon spesifikasyon estanda pou san pwoblèm ak soude austenitik asye pur tib pou jeneral korozyon-reziste ak ba- oswa wo-tanperati sèvis.ASTM A249 se yon spesifikasyon estanda pou soude austenitic asye chofaj, superheater, chalè-echanj, ak kondansora tib. ASTM A213 se yon spesifikasyon estanda pou san pwoblèm ferritic ak austenitic alyaj-asye chofaj, superheater, ak chalè-echanj tib yo. Diferans ki genyen ant A269, A249, ak A213 kouche nan estanda yo espesifik yo reprezante pou tib asye pur.
Creole ASTMA249 ASTM A269 ASTMA270 ASTM213
| Estanda | Tolerans nan dyamèt deyò (mm) | Epesè miray （%） | Longè tolerans (mm) | ||
| ASTM A249 | <25.0 | +0.10 -0.11 | ± 10% | ||
| ≥25.0-≤40.0 | ± 0.15 | ||||
| > 40.0- <50.0 | ± 0.20 | OD <50.8 | +3.0-0.0 | ||
| ≥50.0 ~ <65.0 | ± 0.25 | ||||
| ≥65.0- <75.0 | ± 0.30 | ||||
| ≥75.0 ~ <100.0 | ± 0.38 | OD≥50.8 | +5.0-0.0 | ||
| ≥100 ~ ≤200.0 | +0.38 -0.64 | ||||
| > 200.0-≤225.0 | +0.38 -1.14 | ||||
| ASTM A269 | <38.1 | ± 0.13 | |||
| ≥38.1 ~ <88.9 | ± 0.25 | ||||
| ≥88.9- <139.7 | ± 0.38 | ± 15.0% | OD <38.1 | +3.2-0.0 | |
| ≥139.7 ~ <203.2 | ± 0.76 | ± 10.0% | 0d ≥38.1 | +4.0-0.0 | |
| ≥ 203.2- <304.8 | ± 1.01 | ||||
| ≥304.8- <355.6 | ± 1.26 | ||||
| Astma270 | ≤ 25.4 | ± 0.13 | ± 10% | +10-0.0 | |
| > 25.4-≤ 50.8 | ± 0.20 | ||||
| > 50.8 ~ ≤62 | ± 0.25 | ||||
| > 76.2- ≤ 101.6 | ± 0.38 | ||||
| > 101.6 ~ <139.7 | ± 0.38 | ||||
| ≥139.7–203.2 | ± 0.76 | ||||
| ≥ 203 2 ~ ≤ 304.8 | ± 1.27 | ||||
| Astm213 | D ＜ 25.4 | ± 0.10 | +20/0 | +3.0/0 | |
| 25.4 ~ 38.1 | ± 0.15 | ||||
| 38.1 ~ 50.8 | ± 0.20 | ||||
| 50.8 ~ 63.5 | ± 0.25 | +22/0 | +5.0/0 | ||
| 63.5 ~ 76.2 | ± 0.30 | ||||
| 76.2 ~ 101.6 | ± 0.38 | ||||
| 101.6 ~ 190.5 | +0.38/-0.64 | ||||
| 190.5 ~ 228.6 | +0.38/-1.14 | ||||
Post tan: Jun-27-2023