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C455

muaj:
Khoom Piav Qhia

Kev Ntsuas Cov Qauv:

Tshuaj Muaj Tshuaj

C

Si

Mn

P

S

Cr

Ti

Ni

CU

Nb + ta

I≤0.03

I≤0.5

I≤0.5

I≤0.015

I≤0.015

11.0-12.5

0.9-1.4

7.5-9.5

1.5-2.5

0.10-0.5


Mo











I≤0.05








ASTMF899-12B


Cov Lus Qhia Yooj Yim:

C455 yog ib qho nag lossis daus ua rau tawv tawv nrog cov txheej txheem smelting ua kom zoo nkauj + varerate hardness, thiab yog siv rau cov khoom tawg nrog qhov yuav tsum tau ua.


Cov Qauv Txheej Txheem:

Yu Laus teb

Usa

Lwm

XM-16

Custom455



Cov tsis muaj:


Uts

(MPA)

0.2% ys

(MPa)

Ib%

Z%

Kev nyuaj

(HRC)

Ib qho tseem ceeb





28-38

H900 Aging





45-48


Cov Khoom Siv Kho Mob:

Siv zog xob ua haujlwm nruab nrab, siv rau cov khoom tawg nrog cov yuav tsum tau ua.


Cov khoom nug

Lub xov tooj

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