ASTM A242 maitai

Ko te ASTM A242 te whakatakotoranga paerewa mo te teitei-kaha-iti-koango maitai hanganga mo nga mema hanganga he mea nui te penapena taumaha me te aukati waikura hau.

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Whakataki hua Raraunga Hangarau

Whakataki hua

Ko te ASTM A242 te whakatakotoranga paerewa mo te teitei-kaha-iti-koango maitai hanganga mo nga mema hanganga he mea nui te penapena taumaha me te aukati waikura hau. Ko nga whakaritenga mo nga rawa miihini e tohuhia ana e te momo hua (nga pereti me nga tutaki, me nga Hangahanga) me te matotoru.

Ko te rino ASTM A242 he parenga waikura hau
Ko te pereti rino i raro i te paerewa ASTM A242 e kiia ana ko te pereti maitai huarere, e kiia ana ko te rino kua patua, kua patua katoatia ranei. He pai te parenga waikura o te hau kia taea ai te whakamahi i te maitai i roto i te maha o nga taiao mahi.

He pai ake te rino huarere ASTM A242 i tera o te rino hanga waro me te kore he konukura taapiri.

Āhuatanga A242:
Maama:
70 ksi min (3/4 me raro iho), 67 ksi min (3/4-1.5) 63 ksi min (neke atu i te 1.5-4)
Hua:
50 ksi min (3/4 me raro iho), 46 ksi min (3/4-1.5) 42 ksi min (neke atu i te 1.5-4)
Whakaroa:
16% min i roto i te 8” 19% min i roto i te 2” (mo nga pereti whanui ake i te 24”)

Raraunga Hangarau

Te Hanga Matū Mo Corten Steel ASTM A242 Momo 1 Pereti & Pepa

	Koreti – A	ASTM 588 Kōeke A	ASTM 242 MOMO -1	IRSM 41 -97
waro, Max	0.12	0.19	0.15	0.10
konupora	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
Te whanariki, max	0.030	0.05	0.05	0.030
Silicon	0.25-0.75	0.30-0.65	0.25-0.40	0.28-0.72
Nickel, teitei	0.65	0.40	–	0.20-0.49
Chromium	0.50-1.25	0.40-065	–	0.30-0.50
Molybdenum, max	–	–	–	–
Te parahi	0.25-0.55	0.25-0.40	0.20 min	0.30-0.39
Vanadium	–	0.02-0.10	–	0.050
Konumohe	–	…	–	0.030

Nga ahuatanga miihini o te rino corten ASTM A242 Momo 1 pereti & Rau

	Te Kaha Toka	Min. Tohu Tukunga	Te whakaroa
CORTEN A	[470 – 630 MPa]	[355 MPa]	20 % min
ASTM 588 GR. A	[485 MPa]	[345 MPa]	21% min
ASTM 242 MOMO -1	[480 MPa]	[345 MPa]	16% min
IRSM 41-97	[480 MPa]	[340 MPa]	21% min

*Nga tono maitai A242:

Ka taea te whakamahi i te pereti maitai A242 ki te hanga waka, piriti, pourewa, hanga taika, ipu, anga anga, me nga whakaritenga o te whakapiri, te tutakina ranei.

Hua e Pa ana