NM400 Hnav -} resistusist steel phaj yog qhov siab {{3} {Resistant cov khoom nrog lub brinell hardness ntawm 400HB. Nws muaj ob qho tib si hnav tau tiv taus thiab muaj qee yam ntawm kev cuam tshuam kov. NM400 Hnav - Cov Khoom Siv Hlau Tsis tiv NM400 coj -} Cov kauj ruam tiv taus, thiab lwm yam nws tau muab tso rau hauv kev lag luam ntawm cov khoom siv khoom siv xws li cov ntaub ntawv sib tsoo, cov duab tshuaj ntsuam, thiab pub noj.
Cov khoom tsis muaj
|
Tshuaj Muaj Tshuaj |
Hlau Phaj |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
|
Qhov tuab |
% |
% |
% |
% |
% |
% |
% |
|
|
2-120 |
0.11-0.25 |
0.38-0.95 |
1.20-1.80 |
0.005-0.025 |
0.005-0.01 |
0.01-0.8 |
0.004-0.8 |
|
|
Nyuaj nkauj |
HBW 370-430 |
|||||||
|
Cov Khoom Siv Neeg Kho Tshuab |
Cov nqi raug rau 10 hli tuab hlau phaj tuab |
Paib lub zog |
Lub zog tensile |
Elongation |
||||
|
Tus nram qab |
Rm |
A50 |
||||||
|
MPa |
MPa |
% |
||||||
|
Ntau dua los yog sib npaug rau 1050 |
Ntau dua los yog sib npaug rau 1250 |
12 |
||||||
|
Kev Cuam Tshuam |
Cov nqi raug rau 10 hli tuab hlau phaj tuab |
Xeem ntawv |
Yuam kev cuam tshuam |
|||||
|
Qho so |
Charpy - v longitudinal |
|||||||
|
tiv kis |
J |
|||||||
|
-20 |
40 |
|||||||
Cov khoom lag luam zoo
Raws li tib lub tuam txhab nyob rau Suav teb muaj peev xwm tsim cov ultra {} {Resistant Steel cov khoom tsis yog tsuas yog siv vuam, thiab khoov cov khoom txias, thiab ua cov khoom txias. Lub tuam txhab tuaj yeem tsim cov roj av ultra- Daim nyias nyias hlau, thee kev ua haujlwm zoo xws li siv tshuab, Maas ua tshuab ua tshuab, Maas ua tshuab machinery, thiab pob tseg khib nyiab.
