Q1: Vim li cas ASTM A179 siv rau kev sib hloov cua sov?
A:Nws cov ntsiab lus carbon tsawg (C Tsawg dua lossis sib npaug li 0.06%) txo qis qhov ntsuas thiab tso cai rau kev hloov pauv cua sov.
Q2: Qib twg yog tus qauv rau roj & roj downhole tubing?
A:API 5CT L80 Hom 1 (yield zog 80,000 psi) nrog tswj hardness rau qaub kev pab cuam.
Q3: Dab tsi ua rau ASTM A519 4130 nrov hauv aerospace hydraulic kab?
A:Lub zog siab - rau - qhov hnyav piv thiab zoo weldability tom qab normalizing.
Q4: Vim li cas ASTM A268 TP444 ferritic stainless hlab siv rau hauv condensers?
A:High chromium (18%) thiab molybdenum (2%) muab pitting kuj nyob rau hauv dej brackish.
Q5: Qib twg tau teev tseg rau urea synthesis reactor raj?
A:UNS S31050 (25-22-2) austenitic stainless hlau resists ammonia thiab carbamate corrosion.
