Chinese
Available 24/7 at sales@steel-grades.com
SGSG
Post Your Request Now
Toggle menu

45

Favorite Datasheet
40 50
#45

Description

China GBT 45 China structural steel and alloy steel and 45 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: 45
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel 45 GBT China China structural steel and alloy steel
10F
15F
8
GBT10
15
20
25
30
35
40

Chemical composition(mass fraction)(wt.%) of the 45

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Cu(%)
0.42-0.50 0.17-0.37 0.50-0.80 0.035 0.035 0.25 0.3 0.25

Mechanical Properties of steel grade 45

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)
955 (≥) 279 (≥) 13 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade 45

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
42 - -     0.22 -  
788 298 - 42.3 131   -  
111 - 41 31.2   121 144

Heat Treatment of steel grade 45

Heat treated : 1555°C - 1835°C

Technological Curves of steel grade 45

Cross Reference Table (Equivalent Grade) of 45

Grade Standard Country Application
Q345q E China Bridge structure with steel
Q345q C China Bridge structure with steel
SM45 China Plastic mould with flat steel
SM45A China Plastic mould with Hot-rolled steel plate
CPM Rex 45 AISI USA Powder metallurgy high-speed tool steel
CPM Rex 45HS AISI USA Powder metallurgy high-speed tool steel
1.1545 DIN Germany Carbon tool steel
1.1645 DIN Germany Carbon tool steel
C45W DIN Germany Carbon tool steel
145Cr6 DIN Germany Cold working alloy tool steel
45SiCrV6 DIN Germany Cold working alloy tool steel
45CrMoV7 DIN Germany Cold working alloy tool steel
1.2453 DIN Germany Cold working alloy tool steel
45WCrV7 DIN Germany Cold working alloy tool steel
45NiCr6 DIN Germany Cold working alloy tool steel
1.2745 DIN Germany Cold working alloy tool steel
45NiCrMoV16-6 DIN Germany Cold working alloy tool steel
X45NiCrMo4 DIN Germany Cold working alloy tool steel
145V33 DIN Germany Cold working alloy tool steel
1.2345 DIN Germany Hot working alloy tool steel
40 50
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 45?
  • List your company on S&G now? Join
  • Non-paying users only
Top