409 ahama Steel

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
LBm/in3

Conductivity kaamerada
(BTU/h ft. °F)

Korontada
Resistivity
(in x 10-6 )

Modulus of
Elasticity
(psi x 106

Wehliyaha of
Thermal Expansion
(in/in)/
°F x 10-6

Heat gaar ah
(BTU/lb/
°F)

MILMA
Range
(°F)

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