PSPOOSHESH STEELPERGAS

EN 1.8818 (S275M) Steel

Other Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.8g/cm³

Elastic Modulus190GPa

Tensile Strength440MPa

Yield Strength275MPa

Brinell Hardness130HB

Maximum Service Temperature400°C

Weight Calculator

Chemical Composition

C

0 to 0.15%

CR

0 to 0.35%

NI

0 to 0.35%

MO

0 to 0.13%

MN

0 to 1.6%

SI

0 to 0.55%

N

0 to 0.017%

P

0 to 0.035%

S

0 to 0.030%

CU

0 to 0.6%

NB

0 to 0.060%

TI

0 to 0.060%

V

0 to 0.1%

AL

0.015 to 0.034%

CEV

max 0.38%

FE

95.9 to 99.985%

Mechanical

A - Min. elongation Lo = 5,65 √ So (%)

24

Elastic (Young's, Tensile) Modulus

190 GPa

Elongation at Break

27 %

Fatigue Strength

200 MPa

Impact Strength: V-Notched Charpy

48 J

KV - Impact energy (J) longitud.,

+20° 55

KV - Impact energy (J) longitud.,

0° 47

KV - Impact energy (J) longitud.,

-10° 43

KV - Impact energy (J) longitud.,

-20° 40

KV - Impact energy (J) transverse,

+20° 31

KV - Impact energy (J) transverse,

0° 27

KV - Impact energy (J) transverse,

-10° 24

KV - Impact energy (J) transverse,

-20° 20

Poisson's Ratio

0.29

ReH - Minimum yield strength (MPa)

275

ReH - Minimum yield strength (MPa)

265

ReH - Minimum yield strength (MPa)

255

ReH - Minimum yield strength (MPa)

245

ReH - Minimum yield strength (MPa)

240

Rm - Tensile strength (MPa)

370-530

Rm - Tensile strength (MPa)

360-520

Rm - Tensile strength (MPa)

350-510

Shear Modulus

73 GPa

Shear Strength

280 MPa

Tensile Strength: Ultimate (UTS)

440 MPa

Tensile Strength: Yield (Proof)

270 MPa

Hardness

Brinell Hardness

130

Physical

Density

7.8 g/cm 3

Thermal

Latent Heat of Fusion

250 J/g

Maximum Temperature: Mechanical

400 °C

Melting Completion (Liquidus)

1460 °C

Melting Onset (Solidus)

1420 °C

Specific Heat Capacity

470 J/kg-K

Thermal Conductivity

48 W/m-K

Thermal Diffusivity

13 mm 2 /s

Thermal Expansion

13 µm/m-K

Thermal Shock Resistance

13 points

Electrical

Electrical Conductivity: Equal Volume

7.4 % IACS

Electrical Conductivity: Equal Weight (Specific)

8.5 % IACS

Other

Nominal thickness (mm):

to 40

Nominal thickness (mm):

40 - 63

Nominal thickness (mm):

63 - 80

Nominal thickness (mm):

80 - 100

Nominal thickness (mm):

100 - 120

Nominal thickness (mm):

to 16

Nominal thickness (mm):

16 - 40

Calculated

Resilience: Ultimate (Unit Rupture Work)

110 MJ/m 3

Resilience: Unit (Modulus of Resilience)

200 kJ/m 3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

16 points

Strength to Weight: Bending

16 points

Environmental

Base Metal Price

2.4 % relative

Embodied Carbon

1.6 kg CO 2 /kg material

Embodied Energy

21 MJ/kg

Embodied Energy

21 MJ/kg 9.2 x 10 3 BTU/lb

Embodied Water

49 L/kg

Embodied Water

49 L/kg 5.8 gal/lb

Registered Designations & Aliases

1.88181.8818EN 1.8818 (S275M) SteelS275MS275M

Standards

EN 10025-4 EN 10025-4: 2004 Hot rolled products of structural steels. Technical delivery conditions for thermomechanical rolled weldable fine grain structural steels

EN 10025-4 EN 10025-4: Hot rolled products of structural steels - Part 4: Technical delivery conditions for thermomechanical rolled weldable fine grain structural steels

EN 10025-4 EN 10025-4: Hot rolled products of structural steels - Part 4: Technical delivery conditions for thermomechanical rolled weldable fine grain structural steels Welding Metallurgy, 2nd ed., Sindo Kou, 2003 Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005

EN 10113-3 EN 10113-3: 1993 Hot-rolled products in weldable fine grain structural steels. Delivery conditions for thermomechanical rolled steels