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14Q

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13Q 15A
#14Q

Description

USA ASTM 14Q Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures and 14Q Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 14Q
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 14Q ASTM USA Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
4A,4Q
5N
6N
7Q
8Q
9Q
10Q
11Q
12Q
13Q

Chemical composition(mass fraction)(wt.%) of the 14Q

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.25-0.35 0.20-0.80 0.65-0.95 0.04 0.045 0.40-0.70 0.40-0.70 0.15-0.25

Mechanical Properties of steel grade 14Q

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)
835 (≥) 244 (≥) 33 23 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade 14Q

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
24 - -     0.24 -  
135 174 - 11.3 344   -  
635 - 21 12.2   342 322

Heat Treatment of steel grade 14Q

Heat treated : 1971°C - 1754°C

Technological Curves of steel grade 14Q

Cross Reference Table (Equivalent Grade) of 14Q

Grade Standard Country Application
ASTM 14Q AISI USA
17MoCrNi14q STAS/SR Romania Alloy structural steel
17MoCrNi14q STAS/SR Romania Alloy structural steel
14Q ASTM USA Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
14Q ASTM USA Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
13Q 15A
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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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