ASTM A537 Class 1,2,3 Boiler da Jirgin Ruwa na Karfe

ASTM A537 ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun matsi ne na faranti na Jirgin ruwa, Jiyya mai zafi, Carbon-Manganese-Silicon Karfe da aka yi amfani da su a cikin aikace-aikacen jigilar welded tasoshin matsa lamba da tsarin. Aikace-aikace na yau da kullun sune tasoshin matsin lamba da aka ƙera don sabis na matsakaici da ƙananan zafin jiki waɗanda ke buƙatar ingantaccen ƙarfi mai ƙarfi da API 650 da tankunan ajiya na API 620. Ana samun kayan aji na 1 kamar yadda aka daidaita kuma ana samun Class 2 azaman faranti masu Qunched & Fushi.

ASTM A537 Class 3 (A537CL3)

KYAUTATA	C	Mn	Si	P≤	S≤
ASTM A537 Class 3 (A537CL3)	0.24	0.13-0.55	0.92-1.72	0.035	0.035

KYAUTATA	Ƙarfin Tensile (MPa)	Ƙarfin Haɓaka (MPa) MIN	% Tsawaitawa MIN
ASTM A537 Class 3 (A537CL3)	485-690	275-380	20

ASTM A537 Class 2 (A537CL2)

KYAUTATA	C	Mn	Si	P≤	S≤
ASTM A537 Class 2 (A537CL2)	0.24	0.13-0.55	0.92-1.72	0.035	0.035

KYAUTATA	Ƙarfin Tensile (MPa)	Ƙarfin Haɓaka (MPa) MIN	% Tsawaitawa MIN
ASTM A537 Class 2 (A537CL2)	485-690	315-415	20

ASTM A537 Class 1 (A537CL1)

KYAUTATA	C	Mn	Si	P≤	S≤
ASTM A537 Class 1 (A537CL1)	0.24	0.13-0.55	0.92-1.72	0.035	0.035

KYAUTATA	Ƙarfin Tensile (MPa)	Ƙarfin Haɓaka (MPa) MIN	% Tsawaitawa MIN
ASTM A537 Class 1 (A537CL1)	450-585	310	18

Takardun Magana

Matsayin ASTM:

A20/A20M: Ƙayyadaddun Bukatun Gabaɗaya don Matsalolin Jirgin Ruwa
A435 / A435: Don Madaidaicin-Beam Ultrasonic Jarrabawar Karfe Plate
A577 / A577M: Don Ultrasonic Angle-Beam Gwajin Karfe Faranti
A578/A578M: ​​Don Madaidaicin-Beam Ultrasonic Jarabawar Birgima Karfe Faranti don Aikace-aikace na Musamman

Bayanan masana'antu:

Karfe Plate a ƙarƙashin ASTM A537 Class 1, 2 da 3 za a kashe karfe kuma ya dace da girman girman hatsin austenitic na Musamman A20 / A20M.

Hanyoyin Maganin Zafi:

Duk faranti karkashin ASTM A537 za a bi da su da zafi kamar haka:
ASTM A537 Class 1 faranti za a daidaita su.
Za a kashe faranti na Class 2 da Class 3 kuma su yi fushi. Yanayin zafin jiki na faranti na 2 ba zai zama ƙasa da 1100°F [595°C] ba kuma bai ƙasa da 1150°F [620°C] don faranti na Class 3 ba.