ASTM A387 Qib 22 (ASME SA387 Qib 22) yog Chrom-Moly steel phaj siv los ua boilers thiab siab vessles tsim rau kub siab siab servicce, chrome ntsiab lus ntawm 2.00% mus rau 2.50%. , thiab Moly 0.90% rau 1.10% rau SA387 GRADE 22 khoom.
Cov ntsiab lus ntawm chromium ntau dua yuav muab kev tiv thaiv corrosion thiab oxidation zoo dua, ASTM A387 Qib 22 / ASME SA387 Qib 22 cov khoom siv tuaj yeem siv cov roj cia, roj av, lossis lwm yam kua rau kev lag luam, thiab kuj sib xws nrog cov kev pabcuam qaub.
ASTM A387 Qib 22 CL1, CL2
ASTM
A20 / A20M: Cov kev cai dav dav rau cov phaj siab.
A370: Test specification rau txhua yam khoom ntawm hlau
A435 / A435M: Rau ncaj-beam ultrasonic kuaj ntawm steel daim hlau
A577 / A577M: Rau ultrasonic lub kaum sab xis kuaj ntawm cov hlau phaj
A578 / A578M: Rau txoj kab ncaj nraim UT kev tshuaj xyuas ntawm cov hlau yob hauv cov ntawv tshwj xeeb
A1017 / A1017M: Specification rau siab vessle daim hlau ntawm hlau alloy, chromium-molybdenum-tungsten
AWS Specification Vuam Methods
A5.5 / A5.5M: Tsawg alloy steel electrodes rau shield hlau arc vuam.
A5.23 / A5.23M: Tsawg alloy steel electrodes rau fulxes rau submerged arc vuam.
A5.28 / A5.28M: Rau roj shielded arc vuam
A5.29 / A5.29M: Rau flux cored arc vuam.
Cim npe nrov: astm / asme a387 qib 22, Tuam Tshoj astm / asme a387 qib 22 manufacturers, lwm tus neeg, Hoobkas
