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2/1

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1/3 2/2
#0-1 #0-2 #1-3 #2-1

Description

UK B.S. 2/1 Steel for cold forged fasteners and similar components and 2/1 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 2/1
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy 2/1 B.S. UK Steel for cold forged fasteners and similar components
X2CrMnNiMoN26-5-4
X3CrMnNiMoN25-6-4
Grade 0
0/1
0/2
0/3
0/4
1/1
1/2
1/3

Chemical composition(mass fraction)(wt.%) of the 2/1

C(％) Si(％) Mn(％) P(％) S(％) Mo(％)
0.35-0.40 0.15-0.40 0.70-0.90 0.035 0.035 0.20-0.30

Mechanical Properties of steel grade 2/1

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)
447 (≥) 284 (≥) 21 12 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade 2/1

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
11 - -     0.32 -  
953 782 - 43.3 324   -  
726 - 43 31.2   314 121

Heat Treatment of steel grade 2/1

Heat treated : 1147°C - 1852°C

Technological Curves of steel grade 2/1

Cross Reference Table (Equivalent Grade) of 2/1

Grade Standard Country Application
X15CrMoCoV10-10-5 DIN Germany Hot working alloy tool steel
S2-10-1-8 DIN Germany High-speed tool steel
S18-0-1 DIN Germany High-speed tool steel
BL1 UK Carbide for cutting tools
BL1 UK Carbide for cutting tools
W 1.00-1.60 AFNOR France Carbide for cutting tools
W 1.00-1.60 AFNOR France Carbide for cutting tools
HS18-0-1 AFNOR France Carbide for cutting tools
HS18-0-1 AFNOR France Carbide for cutting tools
у10-1 ГОСТ Russia Carbide for cutting tools
у10-1 ГОСТ Russia Carbide for cutting tools
HS1-8-1 ISO ISO Carbide for cutting tools
HS1-8-1 ISO ISO Carbide for cutting tools
X15CrNiSi20-12 Germany Stainless steel
X12CrNiMoNb20-15 DIN Germany Stainless steel
SUS309STP JIS Japan austenitic special steel
X1CrNiM0CUN20-18-7 UK austenitic special steel
X1CrNiMoCuN20-18-7 AFNOR France Austenite
Z17CNS20-12 AFNOR France Stainless Steel Plate & Steel Strip
X10CrNiMoMnNbVB15-10-1 AFNOR France Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))
1/3 2/2
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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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