ASTM A269 dia fepetra takiana ho an'ny fantsona vy tsy misy vy austenitika tsy mitongilana sy welded ho an'ny serivisy fanoherana ny harafesina sy ambany na ambony. ASTM A213 dia famaritana fenitra ho an'ny ferritic sy austenitic alloy-vy boiler, superheater ary fantsona mpanakalo hafanana.
STANDARD ASTMA249 ASTM A269 ASTMA270 ASTM213
| Malagasy | Fandeferana amin'ny savaivony ivelany (mm) | Haben'ny rindrina（%） | Fandeferana Halava (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 | ||||
Fotoana fandefasana: Jun-27-2023