ASTM A269 waa qeexitaan halbeeg ah oo loogu talagalay tuubooyinka birta ah ee austenitic-ka ah ee aan fiicneyn iyo kuwa welded ee loogu talagalay adeegyada guud ee daxalka-iska-caabbinta iyo heerkulka hooseeya ama sare.ASTM A249 ASTM A213 waa qeexitaan halbeeg ah oo loogu talagalay kuleyliyaha birta ah ee birta ah, kuleyliyaha sare, iyo kuleyliyaha. Farqiga u dhexeeya A269, A249, iyo A213 ayaa ku jira heerarka gaarka ah ee ay u taagan yihiin tuubooyinka birta ah ee birta ah.
Heerka ASTMA249 ASTM A269 ASTMA270 ASTM213
| Heerka | Dulqaadka Dhexroorka Dibadda (mm) | Dhumucda gidaarka (%) | Dulqaadka Dhererka (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 | ||||
Waqtiga boostada: Juun-27-2023