1.4749

1.4749 Stainless Steels to BS EN 10088-1

1.4749 - Specification & Application

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

Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Chemical composition(wt.%) of 1.4749 grade: to BS EN 10088-1

Elements Min.（≥） Max.（≤） Similar Remarks
C 0.15 0.20
Si - 1.00
Mn - 1.00
P - 0.040
S - 0.015
Cr 26.00 29.00
Ni - -
Al - -
N 0.15 0.25

1.4749 - Detail

Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Mechanical properties of grade 1.4749 BS EN 10088-1

Proof strength
Rp0.2 (MPa)		 Tensile strength
Rm (MPa)		 Impact energy
KV (J)		 Elongation at fracture
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
159 (≥) 448 (≥) 33 24 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical properties of grade 1.4749 BS EN 10088-1

Property Density
kg/dm3		 Temperature T
°C/F		 Specific heat
J / kgK		 Thermal conductivity
W/mK		 Electric resistance
µΩ·cm		 Modulus of elasticity
kN/mm2		 Expansion rate
629 (≥) 758 (≥) 32 41 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
358 977 311

Equivalent Grade

1 X18CrN28 2 EN X18CrN28 3 X18CrN28 4 1.4749

Equivalent Products

1 Stainless Steel 446(1.4749, X18CrN28, UNS S44600) Tube Pipe

Product shapes we supply:

We can customize the production of 1.4749 grade, contact us for the best solution.
–sales@specificsteel.com