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Q345D/Z25

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China 舞钢Q/WTB Q345D/Z25 供一重大厚度低合金结构钢Q345D/Z25技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q345D/Z25 / Q345D/Z25
Category Grade Standard Region/Area Standard Content
Metals Q345D/Z25 WYJ 003 China 供一重大厚度低合金结构钢Q345D/Z25技术条件

Chemical composition(mass fraction)(wt.%) of the Q345D/Z25

Element Min Max Similar
Nb+V+Ti - 0.2200 -
Al 0.0150 - -
Mo - 0.1000 -
N - 0.0130 -
Cu - 0.3000 -
Ni - 0.5000 -
Cr - 0.3000 -
Ti - 0.2000 -
V - 0.1500 -
Nb - 0.0700 -
S - 0.0250 -
P - 0.0250 -
Si - 0.5000 -
Mn - 1.7000 -
C - 0.1800 -

Mechanical Properties of steel grade Q345D/Z25

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)
338 (≥) 861 (≥) 22 14 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade Q345D/Z25

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
43 - -     0.11 -  
785 495 - 41.3 221   -  
761 - 32 42.2   444 143

Heat Treatment of steel grade Q345D/Z25

Heat treated : 1666°C - 1111°C

Technological Curves of steel grade Q345D/Z25

Cross Reference Table (Equivalent Grade) of Q345D/Z25

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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