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A2

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X12CrMnNiN17-7-5 ISO 14
#A2

Description

International ISO ISO 15510 (2010), ISO 16143-1 (2004), ISO 16143-2 (2004), ISO/TS 15510 (2003), A2 Specialsteel Stainless steels - Chemical composition and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A2
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A2 Austenite ISO International Stainless steels - Chemical composition

Chemical composition(mass fraction)(wt.%) of the A2

C Si Mn P S Cr Ni Mo N
≤0.15 ≤1.00 5.50 -7.50 ≤0.045 ≤0.030 16.00 -18.00 3.50 -5.50 ≤ ≥ 0.05 -0.25

Mechanical Properties of steel grade A2

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)
584 (≥) 641 (≥) 12 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade A2

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
22 - -     0.41 -  
239 483 - 33.3 324   -  
941 - 22 41.2   214 321

Heat Treatment of steel grade A2

Heat treated : 1734°C - 1859°C

Technological Curves of steel grade A2

Cross Reference Table (Equivalent Grade) of A2

Grade Standard Country Application
AISI A2
A2317
A2330
A2335
A2340
A2345
A2512
A2515
A2517
ASTM A228
ASTM A227
ASTM A229
ASTM A230
ASTM A231
ASTM A232
Armco High-Strength A242
Lukens A242
Stelcoloy A242
ASTM A210 Grade Tl
ASTM A210 Grade Tla

Relevant standard of A2

ISO 15510 (2010) Stainless steels -- Chemical composition ISO-15510-(2010).pdf
ISO 16143-1 (2004) Stainless steels for general purposes -- Part 1: Flat products ISO-16143-1-(2004).pdf
ISO 16143-2 (2004) Stainless steels for general purposes -- Part 2: Semi-finished products, bars, rods and sections ISO-16143-2-(2004).pdf
ISO/TS 15510 (2003) Stainless steels - Chemical composition ISO-TS-15510-(2003).pdf
X12CrMnNiN17-7-5 ISO 14
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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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