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347 welded yeeb nkab
Stainless hlau Welded Pipes
Stainless hlau kav
347 welded yeeb nkab

ASTM A213 ASME SA312 SS347

ASTM A213, ASME SA312 SS 347 Welded Pipes Chaw Tsim Tshuaj, Stainless Hlau 347/347H Yeeb Nkab Nqe, SS 347H Yeeb Nkab Exporter, A312 Stainless Hlau 347H Seamless Pipes Specification, Stainless Hlau 347 Electroppli Pipes Tuam Tshoj.
Cov ntaub ntawv khoom
347 stainless hlau yog columbium / tantalum stabilized austenitic chromium-nickel stainless hlau. Cov khoom no ruaj khov tiv thaiv chromium carbide tsim los ntawm kev sib ntxiv ntawm columbium thiab tantalum. Txij li cov ntsiab lus no muaj kev sib raug zoo rau cov pa roj carbon ntau dua li chromium, columbium-tantalum carbides precipitate nyob rau hauv cov nplej es tsis txhob tsim ntawm cov qoob loo. 347 yuav tsum raug txiav txim siab rau cov ntawv thov uas xav tau cov cua sov sib nrug ntawm 800ºF (427ºC) thiab 1650ºF (899ºC) lossis rau kev sib tsoo hauv cov xwm txheej uas tiv thaiv kev sib tsoo tom qab vuam. 347 yog non-magnetic.
Paub meej ntxiv
Lub cev muaj zog ntawm SS347
Density (lb/cu. in.) 0.29
Specific Gravity 8.03
Thaum tshav kub kub (Btu/lb/ Deg F) 0.12
Hluav taws xob tiv taus (microhm-cm) 438
Melting Point (Deg F) 2600
Cov tshuaj muaj pes tsawg leeg ntawm SS347,%
Cov pa roj carbon ≤ 0.08
Manganese ≤ 2.00
Phosphorus ≤ 0.045
Sulfur ≤ 0.030
Silicon ≤ 0.75
Chromium 17.0-19.0
Nickel 9.0-13.0

Mechanical Properties ntawm SS347
Tensile zog, min. Yield zog, min. Elongation Hardness
ksi ua Mpa ksi ua Mpa % HBW Rockwell
75 515 30 205 40 201 92 HWB



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