Guryaha Guud
Daawaha 409 waa ujeedada guud, chromium, titanium xasilin, ahama ferritic kuwaas codsiga hoose waa is weheshaday baabuurta. Waxaa ku jira 11% chromium taas oo ah lacagta ugu yar ee formation of filimka dadban dusha siinaya steels ahama ay iska caabin ah daxalka. Waxay isku daraa iska caabin wanaagsan daxalka heerkulka kacsantahay xoog dhexdhexaad ah, formability wanaagsan, iyo kharashka guud. Daawaha 409 joogsadaa daxalka si xoog leh marka la barbar dhigo steel carbon oo loo isticmaalo ay badal u tahay steel carbon deeganada meel dhexaad ah oo adag, halkaas oo ay iska caabin sare si ay daxalka iyo qayilo heerkulka sare siinayaa faa'iido. Waxaa caadi ahaan loo isticmaalo in codsiyada halkaas oo muuqaalka waa tayo sare in guryaha si farsamaysan iyo iska caabin ah daxalka.
codsiyada:
Inkastoo Daawaha 409 waxaa mabda 'loogu talagalay warshadaha ee qiiqa baabuurta, waxa ay si guul leh loo isticmaalo codsiyada kale warshadaha iyo sidoo. Qaar ka mid ah codsiyada in u yeedhaan Daawaha 409 ka mid ah:
weheshaday 1.Automotive
converters 2.Catalytic
3.Mufflers
4.Tailpipes
qalabka 5.Farm
taageero 6.Structural iyo Barkhad
xaaladaha 7.Transformer
qaybaha 8.Furnace
tubbada Iskubedelka 9.Heat
10.ASTM / ASME: Soma-S40900
11.EURONORM: FeMi35Cr20Cu4Mo2
12.DIN: 2,4660
13.Resists daxalka gaaska Hawada iyo qiiqa
14.In ugu atmospheres miridhku a dusha iftiinka soo dhisi doono oo uu hakiyo daxalka dheeraad ah laakiin ka dhigaysa dusha ka yar rafcaanka
15.Generally tilmaamay inay adkaysi u qaadeysaa in adeegga go'aysa ilaa 1499 o F (815 o C) oo ilaa 1247 o F (675 o C) ee adeeg
16.Readily weldable
17.Pre-kulaylka of 302 500 o F (150 ilaa 260 o C) waxaa lagu talinayaa
Annealing 18.Post-Weld ee 1400 si ay u 1499 o F hagaagtay ductility Weld
annealing 19.Post-Weld looma baahna marka alxanka qaybaha khafiif ah
20.Automotive tubbada dhammayn waxaa caadi ahaan welded aan biraha filler
heerarka:
Daxalka Resistance:
Heat Resistance
Weldability
Chemical Guryaha:
|
C |
Mn |
Si |
P |
S |
Cr |
Ni |
ti |
409 |
max: 0.08 |
max: 1.0 |
max: 1.0 |
max: 0,045 |
max: 0,045 |
min: 10.5 max: 11,75 |
max: 0.5 |
min: 0,48 max: 0.75 |
Guryaha farsamo:
fasalka |
Xoog siligga MPA (min) |
Xoog dhalidda 0.2% MPA (min) |
muruqa% |
Engegnaantiinna (Brinell) MAX |
Engegnaantiinna (Rockwell B) MAX |
409 |
380 |
207 |
20 |
207 |
95 |
Guryaha Jirka:
Mugga |
Conductivity kaamerada |
Korontada |
Modulus of |
Wehliyaha of |
Heat gaar ah |
MILMA |
at 68 ° F: 0,280 |
9.4 at 212 ° F |
28.3 at 68 ° F |
29 |
5,84 at 32 - 212 ° F |
0,114 at 68 ° F in 212 ° F |
2500 si ay u 2590 |
|
12.4 at 932 ° F |
39.4 at 752 ° F |
|
6,60 at 32 - 1000 ° F |
|
|
|
|
49,6 at 1652 ° F |
|
6,86 at 32 - 1500 ° F |
|
|