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Q690D pā kila
Q690D pā kila
Q690D pā kila
Q690D pā kila

Q690D pā kila

Q690D Kiʻekiʻe kiʻekiʻe welded structural pā kila i hoʻohana ʻia no nā moku nui, Bridges, nā mea kanu mana, medium and high pressure boilers, high pressure vessels, locomotive vehicles, hosting machinery, mining machines and large welding structures.
Hoʻohui Kimia

Papa

Koi kemika a i ʻole mea Max %

C

ʻO Si

ʻO Mn

P

S

Cu

Cr

Ni

Mo

B

V

Nb

ʻO 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

Waiwai Mechanical
Q690 Haa Mechanical Waiwai
Q690 Ka ikaika hua (≥N/mm2); Mānoanoa a i ʻole Dia. d (mm)
Kūlana Papa kila ʻAno maikaʻi 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
Q690 Ka ikaika uʻi (N/mm2); d (mm) ʻO ka lōʻihi
Kūlana Papa kila ʻAno maikaʻi 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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