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A1 Application:Carbide for cutting tools
Category Type Steel grade Standard Country
Grades Special Alloy A1 JIS Japan

Chemical composition % of the ladle analysis of grade A1

W(%) Other(%)
86 Co+Ni:13
A1
Hardness quartile HRA:92
Bending strength frequency/MPa:2600
Mechanical properties of grade A1
Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
387 (≥) 326 (≥) 34 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Physical properties of grade A1
Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
446 (≥) 316 (≥) 12 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 333
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
684 731 933
A1 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
1Cr18Ni11SiA1Ti JIS Japan
Stainless steel bars
0Cr15Ni25Ti2MoA1VB JIS Japan
Heat-resisting steel sheets and plates
0Cr13A1 JIS Japan
Cold rolled stainless steel and heat resisting steel strips
1Cr19A13 JIS Japan
Heat-resisting steel sheets and plates
A 176 S40945 JIS Japan
Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip
A 240 S40945 JIS Japan
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 959 S40945 JIS Japan
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
S40945 JIS Japan
Ferritic Chromium Stainless Steel with Columbium
SA-240 S40945 JIS Japan
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
08F JIS Japan
This standard specifies the alloy steel, low alloy steel, alloy steel chemical composition relative to the provisions of the finished steel smelting chemical composition boundary limit allowable deviation, and gives the definition of related terms.
U20082 JIS Japan
This standard specifies the alloy steel, low alloy steel, alloy steel chemical composition relative to the provisions of the finished steel smelting chemical composition boundary limit allowable deviation, and gives the definition of related terms.
NA1 JIS Japan
Specification for nickel-copper alloy castings
NA11 JIS Japan
Specification for nickel and nickel alloys: bar
NA12 JIS Japan
Specification for nickel and nickel alloys: bar
NA13 JIS Japan
Specification for nickel and nickel alloys: bar
NA14 JIS Japan
Specification for nickel and nickel alloys: bar
NA15 JIS Japan
Specification for nickel and nickel alloys: bar
NA15H JIS Japan
Specification for nickel and nickel alloys: bar
NA16 JIS Japan
Specification for nickel and nickel alloys: bar
NA17 JIS Japan
Specification for nickel and nickel alloys: bar

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