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Q690S Grade E

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China GB Q690SGradeE 水电站压力钢管用钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q690SGradeE / Q690S Grade E
Category Grade Standard Region/Area Standard Content
Metals Q690S Grade E GB/T 31946 China 水电站压力钢管用钢板

Chemical composition(mass fraction)(wt.%) of the Q690S Grade E

Element Min Max Similar
Pcm - 0.2800 -
Pcm - 0.2500 -
Al 0.0150 - -
S - 0.0080 -
P - 0.0180 -
B - 0.0030 -
Cu - 0.3000 -
V - 0.0800 -
Nb - 0.1200 -
Ti - 0.0500 -
Mo - 0.6000 -
Cr - 0.8000 -
Ni 0.2000 2.0000 -
Mn - 2.0000 -
Si - 0.5000 -
C - 0.1500 -

Mechanical Properties of steel grade Q690S Grade E

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)
283 (≥) 224 (≥) 41 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade Q690S Grade E

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
12 - -     0.14 -  
725 811 - 22.3 412   -  
971 - 23 42.2   434 232

Heat Treatment of steel grade Q690S Grade E

Heat treated : 1828°C - 1664°C

Technological Curves of steel grade Q690S Grade E

Cross Reference Table (Equivalent Grade) of Q690S Grade E

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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