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410S21 720

Favorite Datasheet
410S21 690 410S21 750
#410S21

Description

UK B.S. BS 1506, 410S21 720 Specialsteel Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 410S21 720
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 410S21 720 B.S. UK Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications

Chemical composition(mass fraction)(wt.%) of the 410S21 720

C Si Mn P S Cr Mo Ni
0.09 -0.15 ≤1.00 ≤1.00 ≤0.04 ≤0.03 11.50 -13.50 ≤ ≥ ≤1.00

Mechanical Properties of steel grade 410S21 720

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)
312 (≥) 968 (≥) 32 44 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade 410S21 720

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
22 - -     0.42 -  
893 169 - 34.3 321   -  
449 - 13 43.2   412 441

Heat Treatment of steel grade 410S21 720

Heat treated : 1283°C - 1225°C

Technological Curves of steel grade 410S21 720

Cross Reference Table (Equivalent Grade) of 410S21 720

Grade Standard Country Application
410S21
410S21

Relevant standard of 410S21 720

BS 1506 Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications BS-1506.pdf
410S21 690 410S21 750
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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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