Q1: Dab tsi ua rau ASTM A333 Gr.6 haum rau qis-kev pabcuam kub?
A:Nws cov ntsiab lus npib tsib xee (kwv yees . 3.5%) muab ductility thiab cuam tshuam rau -50℃F (-45℃).
Q2: Vim li cas 316L nyiam dua 304L rau kev siv sab nrauv?
A:316L muaj molybdenum, muab kev tiv thaiv corrosion zoo dua hauv cov tshuaj chloride- nplua nuj marine ib puag ncig.
Q3: Dab tsi yog qhov nyuaj rau quenched & tempered 4340 alloy tubing?
A:Feem ntau 28-32 HRC, adjustable ntawm tempering kub kom sib npaug zog thiab toughness.
Q4: Cov ntsiab lus leej faj cuam tshuam li cas rau kev ua haujlwm ntawm AISI 1215 seamless raj?
A:High sulfur (0.24-0.33%) txhim kho nti- tawg, ua rau nws zoo tagnrho rau kev ua haujlwm siab ceev.
Q5: Dab tsi yog qhov qaug zog lub zog zoo ntawm DOM tubing tshaj welded?
A:DOM tubing (piv txwv li, 1026) tsis muaj vuam seam, ua rau 20-30% siab dua cyclic qaug zog.
