ASTM A242 intsimbi

Ingcaciso ye- ASTM A242 yimigaqo esemgangathweni yentsimbi yolwakhiwo lwamandla asezantsi asezantsi kumalungu olwakhiwo apho ugcino lobunzima kunye nokumelana nokutyiwa kwe-atmospheric kubalulekile.

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Ingcaciso ye- ASTM A242 yimigaqo esemgangathweni yentsimbi yolwakhiwo lwamandla asezantsi asezantsi kumalungu olwakhiwo apho ugcino lobunzima kunye nokumelana nokutyiwa kwe-atmospheric kubalulekile. Iimfuno zepropathi yoomatshini zicaciswa luhlobo lwemveliso (iipleyiti kunye neebha, kunye neeMilo zesakhiwo) kunye nobukhulu.

Intsimbi ye-ASTM A242 inokumelana nomhlwa emoyeni
Ipleyiti yensimbi phantsi kwe-ASTM A242 esemgangathweni ikwabizwa ngokuba yintsimbi yensimbi yemozulu, ebhekiselele kwintsimbi ebuleweyo okanye ebulewe ngokupheleleyo. Inokumelana ne-atmospheric corrosion entle ukuze intsimbi isetyenziswe kwiindawo ezininzi zokusebenza.

I-ASTM A242 yentsimbi yemozulu ingcono kakhulu kuneyentsimbi ye-carbon structural steel enobhedu okanye ngaphandle kobhedu olongeziweyo.

Iipropati zoomatshini A242:
Ukuqina:
70 ksi min (3/4 nangaphantsi), 67 ksi min (3/4-1.5) 63 ksi min (ngaphezu kwe-1.5-4)
Yima kancinci:
50 ksi min (3/4 nangaphantsi), 46 ksi min (3/4-1.5) 42 ksi min (ngaphezu kwe-1.5-4)
Elongation:
I-16% min kwi-8” 19% min kwi-2” (kwiipleyiti ezibanzi kune-24”)

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Ukubunjwa kweMichiza ye-Corten Steel ASTM A242 Uhlobo lwe-1 yePlati kunye nePhepha

	Corten – A	I-ASTM 588 iBanga A	I-ASTM 242 UHLOBO -1	I-IRSM 41 -97
Ikhabhoni, uMax	0.12	0.19	0.15	0.10
IManganese	0.20-50	0.80-1.25	1.00	0.25-0.45
Iphosphorus	0.07-0.15	0.04	0.15	0.07-0.11
Isulfure, max	0.030	0.05	0.05	0.030
Isilicon	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	-	-	-	-
Ubhedu	0.25-0.55	0.25-0.40	0.20 imiz	0.30-0.39
Vanadium	-	0.02-0.10	-	0.050
Ialuminiyam	-	…	-	0.030

Iimpawu zobuchwephesha bentsimbi ye-corten i-ASTM A242 Uhlobo lwe-1 iipleyiti kunye namaPhepha

	Tensile strength	Min. Inqaku lesivuno	Elongation
UCORTEN A	[470 – 630 MPa]	[355 MPa]	20% min
I-ASTM 588 GR. A	[485 MPa]	[345 MPa]	21% min
I-ASTM 242 UHLOBO -1	[480 MPa]	[345 MPa]	16% min
IRSM 41-97	[480 MPa]	[340 MPa]	21% min

*Usetyenziso lweentsimbi ze-A242:

Ipleyiti yensimbi ye-A242 ingasetyenziselwa ukuveliswa kwezithuthi, iibhulorho, iinqaba, ukwakhiwa kwamatanki, izitya, izakhiwo zesakhelo, kunye neemfuno ze-welding, okanye i-bolted.

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