27SiMn Alloy Seamless Steel Pipe

Kufotokozera Kwachidule:

Mapaipi achitsulo a 27SiMn amagwiritsidwa ntchito kwambiri m'mafakitale amagalimoto, petroleum, mankhwala ndi zotumiza.27SiMn chitsulo chitoliro chimakhala chokhazikika komanso chokhazikika, ndikukutidwa ndi phosphate mkati ndi kunja.Chitoliro chachitsulo ichi chimagwiritsidwa ntchito makamaka pakuzimitsidwa ndi kupsya mtima popanga zida zopondera zotentha (zigawo zama hydraulic) zomwe zimafunikira kulimba kwambiri komanso kukana kuvala, komanso kupondaponda kotentha komwe kumafunikira kulimba kwambiri komanso kukana kuvala.

27SiMn opanda msokonezo chitoliro ali kuuma mkulu, yovuta hardability awiri m'madzi ndi 8 ~ 22mm, machinability wabwino, sing'anga ozizira mapindikidwe plasticity ndi weldability;Kuonjezera apo, kulimba kwa chitoliro chachitsulo sikumachepetsedwa kwambiri panthawi ya chithandizo cha kutentha, koma kumakhala ndi mphamvu zambiri komanso kukana kuvala, makamaka pozimitsa madzi.


Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Mapangidwe a Chemical (%)

Zinthu

Min.(

Max.(

C

0.24

0.32

Si

1.10

1.4

Mn

1.10

1.4

P

 

0.035

S

 

0.035

Cu

 

0.3

Cr

 

0.3

Ni

 

0.3

Mo

 

0.15

Mechanical Properties

Kulimba kwamakokedwe

565855

σb/MPa

Zokolola Mphamvu

200

σ 0.2 ≥/MPa

Elongation

14

δ5≥()

ψ

-

ψ≥()

Akv

-

Akv≥/J

HBS

051698

-

Mtengo wa HRC

30

 

Zakuthupi

Kukula kwamafuta

68-30

e-6/k

Thermal conductivity

93-72

W/mK

Kutentha kwenikweni

450-460

J/kg.K

Kutentha kwa kutentha

2384-8458

C

Kuchulukana

2244-1217

kg/m3

Kukaniza

0.50-0.60

Om.mm2/m

Njira Yochizira Kutentha

Annealing

Kuzimitsa

Kutentha

Normalizing

Q & T


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