Chinese
Available 24/7 at contact@steel-grades.com
SGSG
Post Your Request Now
Toggle menu
Hello, Sign inMy Account

Q345 A

Favorite Datasheet

China GB Q345A 碳素结构钢和低合金结构钢热轧钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q345A / Q345 A
Category Grade Standard Region/Area Standard Content
Metals Q345 A GB/T 3524 China 碳素结构钢和低合金结构钢热轧钢带

Chemical composition(mass fraction)(wt.%) of the Q345 A

Element Min Max Similar
Mo - 0.1000 -
N - 0.0120 -
Cu - 0.3000 -
Ni - 0.5000 -
Cr - 0.3000 -
C - 0.2000 -
Mn - 1.7000 -
Si - 0.5000 -
P - 0.0350 -
S - 0.0350 -
V - 0.1500 -
Nb - 0.0700 -
Ti - 0.2000 -

Mechanical Properties of steel grade Q345 A

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)
962 (≥) 895 (≥) 44 43 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade Q345 A

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 - -     0.43 -  
613 252 - 14.3 113   -  
166 - 31 24.2   123 344

Heat Treatment of steel grade Q345 A

Heat treated : 1877°C - 1198°C

Technological Curves of steel grade Q345 A

Cross Reference Table (Equivalent Grade) of Q345 A

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
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
  • Do you supply this Q345 A?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top