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Ferrite 21

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Austenitic 661 Ferrite 409
#Ferrite #21

Description

China CNS Ferrite 21 China Taiwan Heat-Resistant Steel and Ferrite 21 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Heat-Resistant Steel: Ferrite 21
Category Type Steel Grade Standard Country Application
Steel GradesHeat-Resistant Steel Ferrite 21 CNS China China Taiwan Heat-Resistant Steel
SS14 2385
SS14 2387
SS14 2388
SS14 2562
SS14 2564
Austenitic 309
Austenitic 310
Austenitic 330
Austenitic 660
Austenitic 661

Chemical composition(mass fraction)(wt.%) of the Ferrite 21

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Al(%)
Max 0.10 Max 1.50 Max 1.00 0.04 0.03 17.0-21.0 0.60 2.00-4.00

Mechanical Properties of steel grade Ferrite 21

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)
868 (≥) 213 (≥) 21 42 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade Ferrite 21

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
43 - -     0.44 -  
694 141 - 14.3 242   -  
277 - 32 41.2   414 133

Heat Treatment of steel grade Ferrite 21

Heat treated : 1266°C - 1119°C

Technological Curves of steel grade Ferrite 21

Cross Reference Table (Equivalent Grade) of Ferrite 21

Grade Standard Country Application
Ferrite 46 CNS China CNS standard heat resistant steel bars(CNS 9608-1998)
Ferrite 21 CNS China China Taiwan Heat-Resistant Steel
Ferrite 409 CNS China China Taiwan Heat-Resistant Steel
Ferrite 409L CNS China China Taiwan Heat-Resistant Steel
Ferrite 446 CNS China China Taiwan Heat-Resistant Steel
Ferrite 46 CNS China China Taiwan Heat-Resistant Steel
Q215 China Engineering and welding
Q215 B China Engineering and welding
UNS G10210 UNS USA General use carbon steel bar
ASTM 1021 ASTM USA General use carbon steel bar
H21 ASTM USA Alloy tool steel
T20821 UNS USA Alloy tool steel
Stellite 21 Stellite alloy
X210Cr12 DIN Germany Cold working alloy tool steel
1.2101 DIN Germany Cold working alloy tool steel
1.2103 DIN Germany Cold working alloy tool steel
1.2108 DIN Germany Cold working alloy tool steel
1.2109 DIN Germany Cold working alloy tool steel
1.2127 DIN Germany Cold working alloy tool steel
1.2129 DIN Germany Cold working alloy tool steel
Austenitic 661 Ferrite 409
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