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Q690D

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China 舞钢Q/WTB Q690D 供山推（沈阳）特种车研究院 Q690D 钢板技术协议 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q690D / Q690D
Category Grade Standard Region/Area Standard Content
Metals Q690D WJX 020 China 供山推（沈阳）特种车研究院 Q690D 钢板技术协议

Chemical composition(mass fraction)(wt.%) of the Q690D

Element Min Max Similar
Cr+Cu+Mo+Ni - 0.7500 -
N - 0.0140 -
V - 0.0300 -
Ti - 0.0400 -
Ni - 0.3500 -
Nb - 0.0500 -
Mo - 0.1100 -
Cu - 0.1800 -
Cr - 0.3500 -
Al 0.0150 - -
S - 0.0100 -
P - 0.0250 -
Mn 1.0000 1.8000 -
Si - 0.6600 -
C 0.0800 0.2400 -
Cr+Cu+Mo+Ni - 0.7000 -
N - 0.0120 -
V - 0.0200 -
Ti - 0.0300 -
Nb - 0.0400 -
Mo - 0.0800 -
Cu - 0.3000 -
Ni - 0.3000 -
Cr - 0.3000 -
Al 0.0200 - -
S - 0.0100 -
P - 0.0250 -
Mn 1.7000 1.7000 -
Si - 0.6000 -
C 0.1000 0.2200 -
Cr+Cu+Mo+Ni - 0.7000 -
N - 0.0120 -
V - 0.0200 -
Ti - 0.0300 -
Nb - 0.0200 -
Mo - 0.0800 -
Cu - 0.3000 -
Ni - 0.3000 -
Cr - 0.3000 -
Al 0.0200 - -
S - 0.0100 -
P - 0.0250 -
Mn 1.1000 1.7000 -
Si - 0.6000 -
C 0.1000 0.2200 -

Mechanical Properties of steel grade Q690D

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)
524 (≥) 993 (≥) 13 41 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade Q690D

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
32 - -     0.44 -  
411 222 - 32.3 413   -  
911 - 44 41.2   243 334

Heat Treatment of steel grade Q690D

Heat treated : 1469°C - 1733°C

Technological Curves of steel grade Q690D

Cross Reference Table (Equivalent Grade) of Q690D

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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