ASTM A302 GR.B Mn-Mo Alloy Pressure Vessel Karfe Plate

ASTM A302 daidaitaccen ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun abubuwa don faranti na jirgin ruwa a cikin gami karfe, manganese molybdenum da manganese-molybdenum-nickel.
ASTM A302 wani nau'i ne na ƙayyadaddun ƙayyadaddun gami da ƙarancin gami da ke rufe maki 4 daban-daban (A, B, C, D), Grade C da D sun ƙunshi nau'ikan sinadaran Ni, tare da kauri iri ɗaya, yawan amfanin ƙasa da ƙarfin tensile na Grade C iri ɗaya ne na Grade B, yayin da elongation rate na sa C ya fi girma.
A302 Grade B karfe farantin karfe za a kullum kawo a cikin as-birgima yanayin. Ana iya yin oda a daidaita faranti ko kuma a sassauta damuwa, ko duka biyun. Idan A 302 Grade B sama da 50mm a cikin kauri za a daidaita.
Ƙarin Fasaha:   Gwajin HIC | NACE MR0175 | Z15 | Z25 | Z35 |

Kauri: 6mm zuwa 300MM,
Nisa: 1500mm zuwa 4050mm,
Tsawon: 3000mm zuwa 15000mm

A302 Grade B Chemical Haɗin
Carbon, max	%	Manganese, max	%	Silicon, max	%	Sulfur max	%
25mm ko ƙasa	0.2	Binciken Zafi	1.15-1.50	Binciken Zafi	0.15-0.40	Duk kauri	0.035
25-50 mm	0.23	Binciken Samfura	1.07-1.62	Binciken Samfura	0.13-0.45
fiye da 50mm	0.25
		Molybdenum max	%	Nickel max	%	Phosphorus	%
		Binciken Zafi	0.45-0.60	Binciken Zafi	…	Duk kauri	0.035
		Binciken Samfura	0.41-0.64	Binciken Samfura	…

Mechanical Property na A302 Grade B farantin karfe	Babban darajar A302
Ƙarfin ƙarfi, kis [MPa]	80-100 [550-690]
Ƙarfin bayarwa, min, sumba [MPa]	50 [345]
Tsawaitawa cikin inci 8 [200 mm], min, %	15
Tsawaitawa cikin inci 2 [50], min, %	18