ASTM A537 Class 1,2,3 igbomikana ati Titẹ ha irin awo

Sipesifikesonu ASTM A537 jẹ Apejuwe Apejuwe fun Awọn awo Ẹkọ Titẹ, Itọju Ooru, Erogba-Manganese-Silicon Steel ti a lo ninu awọn ohun elo ti awọn ohun elo titẹ welded idapọ ati awọn ẹya. Awọn ohun elo aṣoju jẹ awọn ọkọ oju omi titẹ ti a ṣe apẹrẹ fun iwọntunwọnsi ati iṣẹ iwọn otutu ti o nilo lile ogbontarigi to dara julọ bi API 650 ati awọn tanki ibi ipamọ API 620. Awọn ohun elo Kilasi 1 wa bi Deede ati Kilasi 2 wa bi Quenched & Tempered plates.

ASTM A537 Kilasi 3(A537CL3)

OHUN elo	C	Mn	Si	P≤	S≤
ASTM A537 Kilasi 3(A537CL3)	0.24	0.13-0.55	0.92-1.72	0.035	0.035

OHUN elo	Agbara Fifẹ (MPa)	Agbara Ikore (MPa) MIN	% Ilọsiwaju MIN
ASTM A537 Kilasi 3(A537CL3)	485-690	275-380	20

ASTM A537 Kilasi 2(A537CL2)

OHUN elo	C	Mn	Si	P≤	S≤
ASTM A537 Kilasi 2(A537CL2)	0.24	0.13-0.55	0.92-1.72	0.035	0.035

OHUN elo	Agbara Fifẹ (MPa)	Agbara Ikore (MPa) MIN	% Ilọsiwaju MIN
ASTM A537 Kilasi 2(A537CL2)	485-690	315-415	20

ASTM A537 Kilasi 1(A537CL1)

OHUN elo	C	Mn	Si	P≤	S≤
ASTM A537 Kilasi 1(A537CL1)	0.24	0.13-0.55	0.92-1.72	0.035	0.035

OHUN elo	Agbara Fifẹ (MPa)	Agbara Ikore (MPa) MIN	% Ilọsiwaju MIN
ASTM A537 Kilasi 1(A537CL1)	450-585	310	18

Awọn iwe aṣẹ itọkasi

Awọn Ilana ASTM:

A20 / A20M: Sipesifikesonu fun Awọn ibeere Gbogbogbo fun Awọn awo Ẹkọ Titẹ
A435 / A435: Fun Ayẹwo Ultrasonic Taara-Beam ti Irin Awo
A577 / A577M: Fun Ayẹwo Igun Ultrasonic-Beam ti Awọn Awo Irin
A578 / A578M: ​​Fun Ayẹwo Ultrasonic Straight-Beam ti Yiyi Irin Awo fun Awọn ohun elo Pataki

Awọn akọsilẹ iṣelọpọ:

Irin Awo labẹ ASTM A537 Kilasi 1, 2 ati 3 yoo pa irin ati ni ibamu pẹlu itanran iwọn ọkà austenitic ti Specification A20 / A20M.

Awọn ọna Itọju Ooru:

Gbogbo awọn awo ti o wa labẹ ASTM A537 yoo jẹ itọju ooru bi atẹle:
ASTM A537 Class 1 awo yoo jẹ deede.
Kilasi 2 ati Kilasi 3 awo yoo wa ni parun ati tempered. Iwọn otutu otutu fun awọn awopọ Kilasi 2 ko yẹ ki o kere ju 1100°F [595°C] ati pe ko din ju 1150°F [620°C] fun awọn awo Klaasi 3.