ASTM A516 / A516M-17 PDF ntaub ntawv
Dab tsi yog qhov txawv ntawm SA516 GR70 thiab SA 285 GR C?
Sa-285 Gr C thiab SA516 GR70 ob leeg yog cov phaj siab siab.
Sa-516-70 muaj lub zog tensile thiab tawm los ntau dua li qib Sa 285, uas yog qhov txawv ntawm lawv.
SA 516 GR 70 qib sib npaug yog dab tsi?
Sa 516 gr 70 carbon steel kuj nrov npe hu ua ASME SA516-70. Sa 516 grade 70 sib npaug ntawm cov txheej txheem Indian yog cov pa roj carbon siab ntawm cov hlab ntsha steel qib thiab tau siv dav hauv cov roj av, chaw nres tsheb fais fab, boiler, tshuaj thiab lwm yam lag luam.
Cov tshuaj muaj pes tsawg leeg ntawm ASTM A 285 GR C yog dab tsi?
Tshuaj muaj pes tsawg leeg:ASTM A 285 Cov khoom sivCov phaj yog tsim los ntawm cov pa roj carbon, manganese, phosphorus, thiab sulfur, nrog rau cov kev txwv tshwj xeeb tso rau ntawm cov khoom no kom ua tiav cov khoom siv zoo.
Qhov ntsuas kub ntawm SA 516 GR 70 yog dab tsi?
Raws li ASME BPVC Seciton II, qhov siab tshaj plaws kub txwv thiab nws daim ntawv thov rau SA-516 Gr. 70 yog teev raws li nram no: ASME Tshooj I: 850℃F. ASME Seciton III CL 2 & 3: 700℃F.
Dab tsi yog qhov txawv ntawm SA 516 GR 70 thiab SA 516 GR 70N?
ua 516g70steel phaj yog kub dov phaj. Thiab A516 Gr 70N steel phaj, N qhia tias nws yog ib tug normalizing phaj, uas yog, ib tug ntxiv normalizing tshav kub kho.
