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17 251

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17 249 17 252
#17 #251

Description

Czech Republic CSN 17 251 The Czech republic Stainless steel and 17 251 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 17 251
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 17 251 CSN Czech Republic The Czech republic Stainless steel
17 126
17 134
17 153
17 240
17 241
17 242
17 246
17 247
17 248
17 249

Chemical composition(mass fraction)(wt.%) of the 17 251

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.2 1.50-2.20 1.50 0.045 0.030 19.0-21.0 11.0-13.0

Mechanical Properties of steel grade 17 251

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)
877 (≥) 277 (≥) 42 22 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade 17 251

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
23 - -     0.21 -  
582 252 - 11.3 143   -  
568 - 43 23.2   411 313

Heat Treatment of steel grade 17 251

Heat treated : 1583°C - 1338°C

Technological Curves of steel grade 17 251

Cross Reference Table (Equivalent Grade) of 17 251

Grade Standard Country Application
UNS G10170 UNS USA General use carbon steel bar
ASTM 1017 ASTM USA General use carbon steel bar
SM3Cr17Mo China Plastic mould with flat steel
1.1730 DIN Germany Carbon tool steel
1.1740 DIN Germany Carbon tool steel
1.1744 DIN Germany Carbon tool steel
1.1750 DIN Germany Carbon tool steel
X36CrMo17 DIN Germany Cold working alloy tool steel
30WCrV17-2 DIN Germany Hot working alloy tool steel
28NiMo17 DIN Germany Hot working alloy tool steel
X23CrNi17 DIN Germany Hot working alloy tool steel
X100CrMo17 AFNOR France Carbide for cutting tools
X21CrNi17 AFNOR France Carbide for cutting tools
X21CrNi17 AFNOR France Carbide for cutting tools
SS14:1770 SS Sweden Carbide for cutting tools
SS14:1770 SS Sweden Carbide for cutting tools
SS14:1778 SS Sweden Carbide for cutting tools
SS14:1778 SS Sweden Carbide for cutting tools
SS14:— SS Sweden Carbide for cutting tools
SS14:— SS Sweden Carbide for cutting tools
17 249 17 252
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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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