ASTM A537 Klas 1,2,3 ji esi mmiri ọkụ na Pressure arịa efere ígwè

Nkọwapụta ASTM A537 bụ ọkọlọtọ ọkọlọtọ maka efere ụgbọ mmiri, a na-agwọ ọkụ, Carbon-Manganese-Silicon Steel eji na ngwa nke ngwakọta welded arịa nrụgide na ihe owuwu. Ngwa a na-ahụkarị bụ ụgbọ mmiri nrụgide emebere maka ọrụ dị oke ọkụ na nke dị ala na-achọ ezigbo ike siri ike yana API 650 na API 620 tankị nchekwa. Ihe klaasị 1 dị ka edoziri ya na klaasị 2 dị ka efere emenyụ & iwe ọkụ.

ASTM A537 Klas 3 (A537CL3)

Ihe onwunwe	C	Mn	Si	P≤	S≤
ASTM A537 Klas 3 (A537CL3)	0.24	0.13-0.55	0.92-1.72	0.035	0.035

Ihe onwunwe	Ike Tensile (MPa)	Ike Mpụta (MPa) MIN	% Mgbatị MIN
ASTM A537 Klas 3 (A537CL3)	485-690	275-380	20

ASTM A537 Klas 2 (A537CL2)

Ihe onwunwe	C	Mn	Si	P≤	S≤
ASTM A537 Klas 2 (A537CL2)	0.24	0.13-0.55	0.92-1.72	0.035	0.035

Ihe onwunwe	Ike Tensile (MPa)	Ike Mpụta (MPa) MIN	% Mgbatị MIN
ASTM A537 Klas 2 (A537CL2)	485-690	315-415	20

ASTM A537 Klas 1 (A537CL1)

Ihe onwunwe	C	Mn	Si	P≤	S≤
ASTM A537 Klas 1 (A537CL1)	0.24	0.13-0.55	0.92-1.72	0.035	0.035

Ihe onwunwe	Ike Tensile (MPa)	Ike Mpụta (MPa) MIN	% Mgbatị MIN
ASTM A537 Klas 1 (A537CL1)	450-585	310	18

Akwụkwọ atụnyere aka

Ụkpụrụ ASTM:

A20/A20M: Nkọwapụta maka ihe ndị achọrọ n'ozuzu maka efere ụgbọ mmiri nrụgide
A435/A435: N'ihi Straight-Beam Ultrasonic Nyocha nke Steel Plate
A577/A577M: N'ihi na Ultrasonic Angle-Beam Nyocha nke Steel efere.
A578/A578M: ​​N'ihi Straight-Beam Ultrasonic Nyocha nke Rolled Steel Plate for Special Applications.

ndetu nrụpụta:

A ga-egbu ígwè efere n'okpuru ASTM A537 Klas 1, 2 na 3 nchara ma soro ezigbo nha ọka austenitic chọrọ nke nkọwapụta A20 / A20M.

Ụzọ ọgwụgwọ okpomọkụ:

A ga-edozi efere niile dị n'okpuru ASTM A537 okpomọkụ dị ka ndị a:
A ga-ahazi efere ASTM A537 klaasị 1.
Efere klaasị 2 na klaasị 3 ga-emenyụ na iwe ọkụ. Okpomọkụ ọkụ maka efere klaasị 2 agaghị adị ala karịa 1100°F [595°C] na ọ bụghị ihe na-erughị 1150°F [620°C] maka efere klaasị 3.