ASTM A242 tšepe

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Lethathamo la lihlahisoa

Litšepe, phepelo ea tšepe ho tloha leholimong ho ea leoatleng lia fumaneha, lia fumaneha lefatšeng ka bophara;

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Kenyelletso ea sehlahisoa Lintlha tsa Tekheniki

Kenyelletso ea sehlahisoa

Litlhaloso tsa ASTM A242 ke lintlha tse tloahelehileng bakeng sa tšepe ea sebopeho sa alloy ea matla a tlase bakeng sa litho tsa sebopeho moo ho leng bohlokoa ho boloka boima ba 'mele le ho hanyetsa corrosion ea atmospheric. Litlhoko tsa thepa ea mochini li hlalosoa ho latela mofuta oa sehlahisoa (lipoleiti le mekoallo, le Libopeho tsa sebopeho) le ka botenya.

ASTM A242 tšepe e na le khanyetso ea kutu ea sepakapaka
Letlapa la tšepe tlas'a maemo a ASTM A242 le boetse le bitsoa poleiti ea tšepe ea boemo ba leholimo, e bolelang tšepe e bolailoeng kapa e bolailoeng ka botlalo. E na le khanyetso e ntle ea sepakapaka e le hore tšepe e ka sebelisoa libakeng tse ngata tsa mosebetsi.

ASTM A242 tšepe ea boemo ba leholimo e ntle haholo ho feta ea tšepe e entsoeng ka k'habone e kentsoeng kapa ntle le koporo.

Thepa ea mochini A242:
Tensile:
70 ksi min (3/4 le tlase), 67 ksi min (3/4-1.5) 63 ksi min (ho feta 1.5-4)
Khefutsa:
50 ksi min (3/4 le ka tlase), 46 ksi min (3/4-1.5) 42 ksi min (ho feta 1.5-4)
Elongation:
16% mets ho 8” 19% min ho 2” (bakeng sa lipoleiti tse bophara ho feta 24”)

Lintlha tsa Tekheniki

Sebopeho sa Lik'hemik'hale Bakeng sa Corten Steel ASTM A242 Mofuta oa 1 Plate & Sheet

	Corten – A	ASTM 588 Sehlopha sa A	ASTM 242 MOFUTA -1	IRSM 41 -97
Khabone, Max	0.12	0.19	0.15	0.10
Manganese	0.20-50	0.80-1.25	1.00	0.25-0.45
Phosphorus	0.07-0.15	0.04	0.15	0.07-0.11
Sebabole, max	0.030	0.05	0.05	0.030
Silicone	0.25-0.75	0.30-0.65	0.25-0.40	0.28-0.72
Nickel, max	0.65	0.40	-	0.20-0.49
Chromium	0.50-1.25	0.40-065	-	0.30-0.50
Molybdenum, max	-	-	-	-
Koporo	0.25-0.55	0.25-0.40	0.20 mets	0.30-0.39
Vanadium	-	0.02-0.10	-	0.050
Aluminium	-	…	-	0.030

Mechine ea corten steel ASTM A242 Type 1 plates & Sheets

	Matla a tšepe	Min. Yield Point	Elongation
KORTEN A	[470 - 630 MPa]	[355 MPa]	20% mets
ASTM 588 GR. A	[485 MPa]	[345 MPa]	21% mets
ASTM 242 MOFUTA -1	[480 MPa]	[345 MPa]	16% mets
Tlhaloso: IRSM 41-97	[480 MPa]	[340 MPa]	21% mets

*Lisebelisoa tsa tšepe tsa A242:

Letlapa la tšepe la A242 le ka sebelisoa ha ho etsoa likoloi, marokho, litora, kaho ea litanka, lijana, meaho ea foreimi, e nang le litlhoko tsa welding kapa bolt.

Lihlahisoa tse Amanang