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K21604

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J21610 K21650
#216

Description

USA AISI K21604 Specialsteel Alloy steel casting and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: K21604
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel K21604 Precipitation-Hardening AISI USA Alloy steel casting

Chemical composition(mass fraction)(wt.%) of the K21604

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo
≤0.08 ≤1.00 7.50 -9.00 ≤ ≥ ≤ ≥ 5.00 -7.00 17.50 -22.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ 0.25 -0.50 2.00 -3.00

Mechanical Properties of steel grade K21604

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)
756 (≥) 249 (≥) 21 14 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 121

Physical Properties of steel grade K21604

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 - -     0.11 -  
785 664 - 31.3 212   -  
989 - 23 34.2   124 431

Heat Treatment of steel grade K21604

Heat treated : 1575°C - 1277°C

Technological Curves of steel grade K21604

Cross Reference Table (Equivalent Grade) of K21604

Grade Standard Country Application
1.2162
1.7216
216XM-17
S21600
216LXM-18
S21603
216
S21600
S21603
UNS W50216
2216
1.2162
1.2162
J21610 K21650
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Jiangyou Longhai Special Steel Co.,Ltd.
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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