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EN 1.4432 (X2CrNiMo17-12-3) Stainless Steel

Austenitic & General Stainless Steels

OverviewChemical CompositionMechanical PropertiesPhysical PropertiesOther Properties

Property Overview

Density7.9g/cm³
Elastic Modulus200GPa
Tensile Strength610MPa
Yield Strength190MPa
Brinell Hardness215HB
Maximum Service Temperature960°C
Weight Calculator

Chemical Composition

C
0 to 0.030%
CR
16.5 to 18.5%
NI
10.5 to 13%
MO
2.5 to 3.0%
MN
0 to 2.0%
SI
0 to 1.0%
N
0 to 0.1%
P
0 to 0.045%
S
0 to 0.015%
FE
62.3 to 70.5%

Mechanical

A - Min. elongation at fracture (%) (+A)
40-45
+A
A - Min. elongation at fracture (%) longitud., (+AT)
40
+AT
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
44 %
Fatigue Strength
220 MPa
Impact Strength: V-Notched Charpy
90 J
KV - Impact energy (J) longitud., (+A)
+20° 100
+A
KV - Impact energy (J) transverse, (+A)
+20° 60
+A
KV - Impact energy (J) transverse, (+A)
-196° 60
+A
Poisson's Ratio
0.28
R p0.2 0.2% proof strength (MPa) (+A)
190-240
+A
R p0.2 0.2% proof strength (MPa) (+AT)
190
+AT
Rm - Tensile strength (MPa) (+A)
490-700
+A
Rm - Tensile strength (MPa) (+AT)
490-690
+AT
Rm - Tensile strength (MPa) (+AT+C)
750-780
+AT
Shear Modulus
78 GPa
Shear Strength
420 MPa
Tensile Strength: Ultimate (UTS)
610 MPa
Tensile Strength: Yield (Proof)
250 MPa

Hardness

Brinell Hardness
190
Brinell hardness (HB): (+A)
215
+A
Brinell hardness (HB): (+AT)
200
+AT

Physical

Density
7.9 g/cm 3

Thermal

Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
410 °C
Maximum Temperature: Mechanical
960 °C
Melting Completion (Liquidus)
1450 °C
Melting Onset (Solidus)
1400 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
4.0 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
14 points

Electrical

Electrical Conductivity: Equal Volume
2.3 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.6 % IACS

Calculated

PREN (Pitting Resistance)
27
Resilience: Ultimate (Unit Rupture Work)
220 MJ/m 3
Resilience: Unit (Modulus of Resilience)
150 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
21 points
Strength to Weight: Bending
20 points

Environmental

Base Metal Price
19 % relative
Embodied Carbon
3.9 kg CO 2 /kg material
Embodied Energy
54 MJ/kg
Embodied Energy
54 MJ/kg 23 x 10 3 BTU/lb
Embodied Water
150 L/kg
Embodied Water
150 L/kg 18 gal/lb
Registered Designations & Aliases
1.44321.4432EN 1.4432 (X2CrNiMo17-12-3) Stainless SteelX2CrNiMo17-12-3X2CrNiMo17-12-3
Standards

EN 10028-7 EN 10028-7: 2007 Flat products made of steels for pressure purposes. Stainless steels

EN 10088-1 EN 10088-1: 2005 Stainless steels. List of stainless steels

EN 10088-1 EN 10088-1: Stainless steels - Part 1: List of stainless steels

EN 10088-2 EN 10088-2: 2005 Stainless steels. Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes

EN 10088-2 EN 10088-2: Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes

EN 10088-3 EN 10088-3: 2005 Stainless steels. Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes

EN 10088-3 EN 10088-3: Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes

EN 10088-4 EN 10088-4: 2009 Stainless steels. Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes

EN 10088-5 EN 10088-5: 2009 Stainless steels. Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes

EN 10217-7 EN 10217-7: 2005 Welded steel tubes for pressure purposes. Stainless steel tubes

EN 10222-5 EN 10222-5: 2000 Steel forgings for pressure purposes. Martensitic, austenitic and austenitic-ferritic stainless steels

EN 10222-5 EN 10222-5: Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels

EN 10222-5 EN 10222-5: Steel forgings for pressure purposes - Part 5: Martensitic, austenitic and austenitic-ferritic stainless steels EN 10272: Stainless steel bars for pressure purposes EN 10088-2: Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes EN 10088-3: Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes EN 10088-1: Stainless steels - Part 1: List of stainless steels

EN 10253-3 EN 10253-3: 2008 Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements

EN 10253-4 EN 10253-4: 2008 Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements

EN 10263-5 EN 10263-5: 2001 Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for stainless steels

EN 10272 EN 10272: 2007 Stainless steel bars for pressure purposes

EN 10272 EN 10272: Stainless steel bars for pressure purposes

EN 10296-2 EN 10296-2: 2005 Welded circular steel tubes for mechanical and general engineering purposes. Stainless steel. Technical delivery conditions