Cov ntaub ntawv technical
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
|
V
|
W
|
Co
|
|
0,80 - 0,90
|
0.20 - 0,45
|
0.15 - 0,40
|
<= 0,030
|
<= 0,030
|
3,75 - 4,50
|
4,50 - 5,50
|
1,75 - 2,25
|
5,50 - 6,50
|
4,50 - 5,50
|
Mechanical zog
Hardness: Delivery hardness: (lwm txoj kev ua) ≤285HB; (annealing) ≤269HB. Qauv kev kho cua sov thiab quenching thiab tempering hardness: ≥64HRC
Microstructure
Kev kho cua sov specification: quenching, preheating ntawm 730 ~ 840 ℃, cua sov ntawm 1190 ~ 1210 ℃ (ntsev da dej rauv) los yog 1200 ~ 1220 ℃ (lub thawv rauv), roj txias, tempering ntawm 540 ~ 560 ℃ ob zaug, 2h txhua zaus.
kev xa khoom
Kub dov, forged, thiab txias-drawn steel rods raug xa mus rau hauv lub xeev annealed, thiab kub dov thiab forged steel rods yog xa tom qab ua los ntawm annealing + lwm txoj kev ua (skinning, teeb duab, polishing los yog polishing, thiab lwm yam).
FAQ
1 Q: Koj puas kam txais cov qauv txiav txim?
A: Yog, peb lees txais cov qauv txiav txim. Yog tias koj xaj cov khoom me me hauv Tshuag, nws yog dawb.
Thaum koj xav tau npaj shipping los yog them tus nqi shipping.
2 Q: Koj lub sijhawm xa khoom ntev npaum li cas?
A: Feem ntau 45 mus rau 60 hnub tom qab koj them nyiaj, nws kuj raws li cov khoom xav tau
thiab qhov ntau koj xav tau.
3 Q: Koj cov nqe lus them nqi yog dab tsi.
A: Them tsawg dua lossis sib npaug 10000USD, 100% T / / T ua ntej. Kev them nyiaj ntau dua 1000USD,
40% T / / T ua ntej, tshuav nyiaj li cas ua ntej shippment. Kuj lees txais L/C thaum pom.
4 Q: Koj qhov kev lees paub rau qhov zoo yog dab tsi?
A: Siv kev lees paub kev lag luam los ntawm alibaba, pab koj tau txais cov khoom tsim nyog thiab ua kom koj cov nyiaj muaj kev nyab xeeb.
5 Q: Koj lub sijhawm ua haujlwm yog dab tsi?
A: Hnub Monday-Friday: 8:00AM-17:00PM (Beijing lub sijhawm, GMT+08.00)
Thaum los ntawm whatsapp koj tuaj yeem tiv tauj kuv txhua lub sijhawm yog tias kuv tsaug zog.
.jpg)
.jpg)
.jpg)
.jpg)
.jpg)
.jpg)
.jpg)
.jpg)
.jpg)
.jpg)
