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1.4749

Favorite Datasheet
X18CrN28 X25CrMnNiN25-9-7
#X18CrN28 #1-4749

Description

UK B.S. BS EN 10088-1, BS EN 10095, BS EN 10297-2 (2005), 1.4749 Specialsteel Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: 1.4749
Category Class Grade Standard Country Application
Steel GradesSpecialsteel 1.4749 B.S. UK Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Chemical composition(mass fraction)(wt.%) of the 1.4749

C Si Mn P S Cr Ni Al N
0.15 -0.20 ≤1.00 ≤1.00 ≤0.040 ≤0.015 26.00 -29.00 ≤ ≥ ≤ ≥ 0.15 -0.25

Mechanical Properties of steel grade 1.4749

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)
545 (≥) 344 (≥) 34 42 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade 1.4749

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
24 - -     0.32 -  
169 544 - 13.3 211   -  
993 - 22 33.2   312 312

Heat Treatment of steel grade 1.4749

Heat treated : 1961°C - 1453°C

Technological Curves of steel grade 1.4749

Cross Reference Table (Equivalent Grade) of 1.4749

Grade Standard Country Application
X18CrN28
X18CrN28

Relevant standard of 1.4749

BS EN 10088-1 Stainless steels - Part 1: List of stainless steels BS-EN-10088-1.pdf
BS EN 10095 Heat resisting steels and nickel alloys BS-EN-10095.pdf
BS EN 10297-2 (2005) Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel BS-EN-10297-2-(2005).pdf
X18CrN28 X25CrMnNiN25-9-7
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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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