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3A,3Q

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2A,2Q 4A,4Q
#3A #3Q

Description

USA ASTM 3A,3Q Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures and 3A,3Q Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 3A,3Q
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 3A,3Q ASTM USA Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures
J03001
J03501
J02501
Gr 485
Gr 620
Gr 825
Grade21
Grade31
1A
2A,2Q

Chemical composition(mass fraction)(wt.%) of the 3A,3Q

C(％) Si(％) Mn(％) P(％) S(％)
0.35-0.45 0.20-1.00 0.70-1.00 0.04 0.045

Mechanical Properties of steel grade 3A,3Q

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)
986 (≥) 777 (≥) 33 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade 3A,3Q

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 - -     0.33 -  
911 916 - 41.3 213   -  
412 - 13 32.2   121 314

Heat Treatment of steel grade 3A,3Q

Heat treated : 1384°C - 1355°C

Technological Curves of steel grade 3A,3Q

Cross Reference Table (Equivalent Grade) of 3A,3Q

Grade Standard Country Application
у13A-1 ГОСТ Russia Carbide for cutting tools
у13A-1 ГОСТ Russia Carbide for cutting tools
у13A-2 ГОСТ Russia Carbide for cutting tools
у13A-2 ГОСТ Russia Carbide for cutting tools
у13A-3 ГОСТ Russia Carbide for cutting tools
у13A-3 ГОСТ Russia Carbide for cutting tools
SUS13AA-CF JIS Japan stainless steel
Z4CND22-16-03Az AFNOR France Hot-Rolled stainless steel bar and wire rod (NF A 35-574 (1990))
ASTM CF3A AISI USA
ASTM 3A,3Q AISI USA
3a STAS/SR Romania Structural steel
N3333A ABNT Brazil Brazil Stainless steel
STKM13A CNS China China Taiwan Structural steel
EN NiCr20Co13Mo4Ti3Al EN Euronorm Euronorm Stainless Steel
0Cr13Al GBT China Ferrite
GH33A GBT China wrought Fe/Ni-base superalloy
K423A GBT China conventional cast superalloy
K23A GBT China conventional cast superalloy
1Cr13Al4 GBT China High resistance alloys for electrical heating
0Cr23Al5 GBT China High resistance alloys for electrical heating
2A,2Q 4A,4Q
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