ASME SA 387 Qib 11 Chav Kawm 2 steel

Raws li lub siab lub nkoj qib steel rau siv nyob rau hauv siab kub kev pab cuam, yog siv nyob rau hauv ib tug ntau yam ntawm industries thiab zoo heev, tshwj xeeb tshaj yog nyob rau hauv cov roj, roj thiab petrochemical kev lag luam, qhov twg cov kua thiab gases feem ntau khaws cia nyob rau hauv ntau dua kub.
Cov qib siab dua ntawm chromium kuj muab kev txhim kho corrosion thiab oxidation zoo heev, uas yog ib qho yuav tsum tau siv hauv cov roj qaub qaub. Thov xa mus rau peb cov kev qhia tshwj xeeb hauv qab no rau ASME SA387 Qib 11 Chav Kawm 2.

Sib npaug

BS	EN	ASTM/ASME	DIN
621b ua	-------	SA387-11-2	-------

Specifications rau ASME SA387 Qib 11 Alloy Steel Phaj
Chromium & Molybdenum cov ntsiab lus (raws li ASME specification)

Lub npe	Nominal Chromium Cov ntsiab lus (%)	Nominal Molybdenum Cov ntsiab lus (%)
SA387 Qib 11	1.25%	0.50%

Tensile Requirements rau ASME SA387 Qib 11 Alloy Steel Phaj Chav Kawm 2

Lub npe:	Yuav tsum tau:	Qib 11
SA387 Qib 11	Tensile zog, ksi [MPa]	75 txog 100 [515 rau 690]
	Yield zog, min, ksi [MPa]/ (0.2% offset)	43 [310]
	Elongation hauv 8 nti. [200mm], min %	18
	Elongation hauv 2 nti. [50mm], min, %	22
	Txo thaj tsam, min%	-------

Cov Khoom Siv Tshuaj Rau ASME SA387 Qib 11 Alloy Steel Phaj

Element		Chemical Composition (%)
		SA387 Qib 11
Cov pa roj carbon:	Kev Ntsuas Kub:	0.05 - 0.17
	Product Analysis:	0.04 - 0.17
Manganese:	Kev Ntsuas Kub:	0.40 - 0.65
	Product Analysis:	0.35 - 0.73
Phosphorus:	Kev Ntsuas Kub:	0.035
	Product Analysis:	0.035
Sulfur (max):	Kev Ntsuas Kub:	0.035
	Product Analysis:	0.035
Silicon:	Kev Ntsuas Kub:	0.50 - 0.80
	Product Analysis:	0.44 - 0.86
Chromium:	Kev Ntsuas Kub:	1.00 - 1.50
	Product Analysis:	0.94 - 1.56
Molybdenum:	Kev Ntsuas Kub:	0.45 - 0.65
	Product Analysis:	0.45 - 0.70