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15A

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14Q 1020
#15A

Description

USA ASTM 15A Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures and 15A Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 15A
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 15A ASTM USA Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
5N
6N
7Q
8Q
9Q
10Q
11Q
12Q
13Q
14Q

Chemical composition(mass fraction)(wt.%) of the 15A

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.95-1.10 0.20-0.80 0.25-0.55 0.04 0.045 1.30-1.60

Mechanical Properties of steel grade 15A

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)
345 (≥) 739 (≥) 31 44 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade 15A

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 - -     0.12 -  
697 282 - 41.3 313   -  
853 - 11 44.2   144 212

Heat Treatment of steel grade 15A

Heat treated : 1634°C - 1936°C

Technological Curves of steel grade 15A

Cross Reference Table (Equivalent Grade) of 15A

Grade Standard Country Application
ASTM 15A AISI USA
OLC15AT STAS/SR Romania Alloy structural steel
60Si15A STAS/SR Romania Alloy structural steel
ML15Al GBT China China structural steel and alloy steel
SWRCH15A CNS China China Taiwan Structural steel
STKM15A CNS China China Taiwan Structural steel
15A ASTM USA Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
15A ASTM USA Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
14Q 1020
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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...

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