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Ụlọ > Ngwaahịa > Efere ígwè > Hight Ike Low Alloy Steel
Q690D efere ígwè
Q690D efere ígwè
Q690D efere ígwè
Q690D efere ígwè

Q690D efere ígwè

Q690D High ike welded structural efere efere eji maka nnukwu ụgbọ mmiri, Bridges, ike osisi akụrụngwa, ọkara na elu mgbali boilers, elu nsogbu arịa, locomotive ugbo ala, hoisting igwe, Ngwuputa ígwè na ndị ọzọ buru ibu ịgbado ọkụ owuwu.
Ngwakọta kemịkalụ

Ọkwa

Ihe chọrọ kemịkalụ ma ọ bụ mmewere Max %

C

Si

Mn

P

S

Ku

Cr

Ni

Mo

B

V

Nb

Ti

Q690D

0.2

0.8

1.7

0.025

0.015

0.5

1.5

2

0.7

0.005

0.12

0.06

0.05

Ngwongwo igwe
Njirimara arụrụ arụ Q690 Steel
Ike Mpụta Q690 (≥N/mm2); Ọkpụrụkpụ ma ọ bụ Dia. d (mm)
Ọkọlọtọ Ọkwa ígwè Ogo d≤16 16 40 63
GB/T 1591 – 2008 Q690 C, D, E 690 670 660 640
GB/T 1591 – 2018 Q690M C, D, E 690 680 670 650
Ike tensile Q690 (N/mm2); d (mm) Ogologo oge
Ọkọlọtọ Ọkwa ígwè Ogo d≤40 40 63 %
GB/T 1591 – 2008 Q690 C, D, E 770-940 750-920 730-900 ≥14
GB/T 1591 – 2018 Q690M C, D, E 770-940 750-920 730-900 ≥14
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