Bedane antara ASTM A249 A2670 A2670 A269 lan A213 tabung stainless steel tabung

ASTM A269 minangka conto standar stainless stainless stainless stainless stainless stainless kanggo tahan karat lan suhu- utawa suhu tambahan kanggo Dandang Steel Austenit, Supermater, lan tabung kondensator. Astm A213 minangka spesies standar kanggo para pekerja wesi-baja lan Austenit, lan tabung hawa austenit, lan tabung panas. Bedane ana ing standar khusus kanggo tabung baja stainless.

ATTMA249 ATTM A269 ASTMA270 ASTM213

Standar Toleransi diameteripun njaba
(mm)
Ketebalan tembok (%) Toleransi Length (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
Asm213 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 ~ 2015.6 + 0.38 / -1.14

Wektu kirim: Jun-27-2023