Cov khoom lag luam
-} alloy nd steel09crrisbresistant rau lub lwg -}}}} portting steel rauv, ua kom zoo dua hluav taws xob tshuab hluav taws xob, lub zog tshwj xeeb hluav taws xob, sib txuas thiab tandem dov.
Nws nta uas thaum lub sij hawm corrosion, ib qho kev sib tw ua yeeb yaj kiab nplua nuj nyob hauv CR, Cu, SB thiab ti thiab ti yog muaj zog anticorrosion.
ND steel yog qhov qis -} alloy txheej txheem steel. Piv nrog lwm hom steel xws li qis}}} cov hlau, corten, crada muaj cov khoom zoo heev thiab cov khoom siv tshuab.
Kev Sau Txuj Ci (GB 150.2-2011)
|
C |
Tsawg dua los yog sib npaug rau 0.12 |
Cr |
0.70~1.10 |
|
Si |
0.20~0.40 |
CU |
0.25~0.45 |
|
Mn |
0.35~0.65 |
SB |
0.04~0.10 |
|
P |
Tsawg dua los yog sib npaug rau 0.030 |
S |
Tsawg dua los yog sib npaug rau 0.020 |
Cov Cuab Yeej Cuab Yeej Cuab Yeej
|
Nominal tuab (hli) |
Lub zog tensile Rm(MPa) |
Paib lub zog Rel(MPa) |
Elongation A(%) |
|
Tsawg dua los yog sib npaug rau 8 |
390~550 |
Ntau dua los yog sib npaug rau 245 |
Ntau dua los yog sib npaug rau 25 |
Daim ntawv thov
Nd steel iS tam sim no cov hlau zoo tshaj plaws rau "sulfuric acid qis {{0} pa roj ua rau muaj cov cuab yeej thiab lwm yam khoom siv los tiv thaiv cov lwg me me corrosion ntawm Sulphur -} muaj cov roj flue.
Hu rau tam sim no kom tau txais 09crcusb nqe lus
