Dab tsi yog cov muaj pes tsawg leeg ntawm API X70?
X70 kab yeeb yog ib hom kev sib kis tau siv hauv cov roj thiab roj kev lag luam nrog cov tshuaj tshwj xeeb ntawm 70 kpsi (piv txwv li 485 MPa) ib chav.
Tshuaj lom neeg cov tshuaj:
|
Teem nqi |
Muaj pes tsawg leeg (%) |
Cob (%) |
||||||||
|
- |
C |
Si |
Mn |
P |
S |
V |
Nb |
Ti |
B |
- |
|
X70 |
Tsawg dua los yog sib npaug rau 0. 16 |
Tsawg dua los yog sib npaug rau 0. 45 |
Tsawg dua los yog sib npaug rau 1.70 |
Tsawg dua li lossis sib npaug rau 0. 020 |
Tsawg dua los yog sib npaug rau 0. 010 |
Tsawg dua los yog sib npaug rau 0. 06 |
Tsawg dua los yog sib npaug rau 0. 05 |
Tsawg dua los yog sib npaug rau 0. 06 |
Tsawg dua los yog sib npaug rau 0. 45 |
- |
Cov Khoom Siv Neeg Kho Tshuab:
|
Lub hom phiaj |
Teem nqi |
tensile lub zog (mpa) |
Yield zog (mpa) |
FLEAFAL piv |
elongation (%) |
0} degree cuam tshuam kev quab yuam AKV (J) |
Kev Kho Cua Sov Lub Xeev |
|
API 5L |
X70 |
Ntau dua los yog sib npaug rau 570 |
485-605 |
Tsawg dua los yog sib npaug rau 0. 90 |
18 |
Ntau dua los yog sib npaug rau 40 |
Hardening + tempering |
