ASME SA 387 Qib 12 Qib 2 steel

ASME SA 387 Qib 12 Chav Kawm 2, ASME SA387 Qib 12 Alloy Steel Phaj
Engineered rau siv nyob rau hauv siab kub kev pab cuam, yog ib tug chrome molybdenum carbon alloy hlau rau siv nyob rau hauv weldable siab hlab ntsha thiab muaj boilers.
Cov khoom siv tau txais txiaj ntsig los ntawm cov chromium ntxiv uas muab kev tiv thaiv zoo heev thiab oxidation ua rau nws zoo tagnrho rau cov kev pabcuam qaub hauv kev lag luam roj thiab roj.

Sib npaug

BS	EN	ASTM/ASME	DIN
620b ua	13 ZPO 45	SA387-12-2	13 ZPO 44

Specifications rau ASME SA387 Qib 12 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 12	1.00%	0.50%

Tensile Requirements rau ASME SA387 Qib 12 Alloy Steel Phaj Chav Kawm 2 Phaj

Lub npe:	Yuav tsum tau:	Qib 12
SA387 Qib 12	Tensile zog, ksi [MPA]	65 txog 85 [450 rau 585]
	Yield zog, min, ksi [MPa]/ (0.2% offset)	40 [275]
	Elongation hauv 8 nti. [200mm], min %	19
	Elongation hauv 2 nti. [50mm], min, %	22
	Txo thaj tsam, min%	-------

Cov Khoom Siv Tshuaj Rau ASME SA387 Qib 12 Alloy Steel Phaj

Element		Chemical Composition (%)
		ASME SA387 Qib 12
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:	0.15 - 0.40
	Product Analysis:	0.13 - 0.45
Chromium:	Kev Ntsuas Kub:	0.80 - 1.15
	Product Analysis:	0.74 - 1.21
Molybdenum:	Kev Ntsuas Kub:	0.45 - 0.60
	Product Analysis:	0.40 - 0.65