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AH690

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China 鞍钢Q/ASB AH690 船舶及海洋工程用结构钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AH690 / AH690
Category Grade Standard Region/Area Standard Content
Metals AH690 Q/ASB 141 China 船舶及海洋工程用结构钢板及钢带

Chemical composition(mass fraction)(wt.%) of the AH690

Element Min Max Similar
Nb+V+Ti - 0.1200 -
Pcm - 0.3200 -
Pcm - 0.3000 -
N - 0.0200 -
Al 0.0150 0.0550 -
B - 0.0050 -
Ti - 0.0200 -
V 0.0400 0.1000 -
Nb 0.0200 0.0500 -
S - 0.0250 -
P - 0.0250 -
Mn 0.9000 1.6000 -
Si - 0.5500 -
C - 0.1800 -

Mechanical Properties of steel grade AH690

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
396 (≥) 622 (≥) 23 31 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade AH690

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
13 - -     0.11 -  
937 542 - 34.3 124   -  
748 - 22 21.2   114 443

Heat Treatment of steel grade AH690

Heat treated : 1745°C - 1855°C

Technological Curves of steel grade AH690

Cross Reference Table (Equivalent Grade) of AH690

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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Jiangyou Longhai Special Steel Co.,Ltd.

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