Insimbi ye-ASTM A242

Ukucaciswa kwe-ASTM A242 ukucaciswa okujwayelekile  kwensimbi yesakhiwo sokuqina kwe-alloy ephezulu kumalungu esakhiwo lapho ukonga isisindo nokumelana nokugqwala kwe-atmospheric kubalulekile. Izidingo zezakhiwo zikamshini zicaciswa  uhlobo lomkhiqizo (amapuleti namabha, kanye Nokwakheka Kwesakhiwo) nangogqinsi.

Insimbi ye-ASTM A242 inokumelana nokugqwala komkhathi
Ipuleti lensimbi elingaphansi kwezinga le-ASTM A242 liphinde libizwe ngepuleti lensimbi yesimo sezulu, elibhekiselwa ensimbi ebulewe kancane noma ebulawe ngokuphelele. Inokumelana nokugqwala okuhle komkhathi ngakho insimbi ingasetshenziswa ezindaweni eziningi zokusebenza.

Insimbi yesimo sezulu ye-ASTM A242 ingcono kakhulu kunensimbi ye-carbon structural steel enethusi elifakwe noma elingenayo.

Izakhiwo zika-A242:
I-Tensile:
70 ksi min (3/4 nangaphansi), 67 ksi min (3/4-1.5) 63 ksi min (ngaphezu kuka-1.5-4)
Veza:
50 ksi min (3/4 nangaphansi), 46 ksi min (3/4-1.5) 42 ksi min (ngaphezu kuka-1.5-4)
Ubude:
16% iminithi kokungu-8” 19% iminithi koku-2” (kumapuleti abanzi kuno-24”)

Ukwakheka Kwamakhemikhali Kwe-Corten Steel ASTM A242 Uhlobo Loku-1 Ipuleti & Ishidi

	Corten – A	I-ASTM 588 Ibanga A	I-ASTM 242 UHLOBO -1	I-IRSM 41 -97
Ikhabhoni, Max	0.12	0.19	0.15	0.10
IManganese	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
Isibabule, ubuningi	0.030	0.05	0.05	0.030
I-silicon	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
I-Chromium	0.50-1.25	0.40-065	-	0.30-0.50
I-Molybdenum, i-max	-	-	-	-
Ithusi	0.25-0.55	0.25-0.40	0.20 imiz	0.30-0.39
I-Vanadium	-	0.02-0.10	-	0.050
I-Aluminium	-	…	-	0.030

Izakhiwo zikagesi ze-corten steel ASTM A242 Type 1 plates & Sheets

	Amandla Okuqina	Okuncane. Yield Point	Ukwelula
CORTEN A	[470 – 630 MPa]	[355 MPa]	20% imiz
I-ASTM 588 GR. A	[485 MPa]	[345 MPa]	21% iminithi
I-ASTM 242 UHLOBO -1	[480 MPa]	[345 MPa]	16% min
I-IRSM 41-97	[480 MPa]	[340 MPa]	21% iminithi