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Ọnọdụ:
Ụlọ > Ngwaahịa > Efere ígwè > Hight Ike Low Alloy Steel

Q420B ígwè efere

Xinsteel na-echekwa ngwaahịa dị iche iche nke Q420B ígwè efere,Q420B ígwè mpempe akwụkwọ,Q420B ígwè doo na Chinese ọdụ ụgbọ mmiri nkwakọba.Ụfọdụ ngwaahịa nke Q420B ígwè ihe na-akwado site ABS Klas, BV Klas ma ọ bụ GL-DNV Class certificated na EN 10204 3.2.For igbochi nchara mgbe njem mgbe oké osimiri, Gnee nwekwara ike na-enye ogbugba ogbunigwe na eserese maka ndị a Q420B ígwè efere na ụlọ ahịa primer.
Ngwakọta kemịkalụ

Ihe mejupụtara kemịkalụ bụ isi nke Q420B

C

Si

Mn

P

S

Nb

N

0.20

0.55

1.70

0.035

0.035

0.05

0.015

V

Ti

Cr

Ni

Ku

Mo

0.13

0.05

0.30

0.80

0.40

0.20

Ngwongwo igwe

Ngwongwo igwe maka efere igwe Q420B

Ọkpụrụkpụ (mm)

Ike mpụta (≥Mpa)

T≤16

16

40

63

80

100

150

420

410

390

370

370

350

350

Ike tensile (Mpa)

T≤100

100

520-680

500-650

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