ASTM A299 Grade A Manganese-Silicon Steel

Alloy Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.8g/cm³

Elastic Modulus190GPa

Tensile Strength590MPa

Yield Strength330MPa

Brinell Hardness180HB

Maximum Service Temperature400°C

Weight Calculator

Chemical Composition

0 to 0.28%

0.84 to 1.6%

0.13 to 0.45%

0 to 0.035%

97.6 to 99.03%

Mechanical

Elastic (Young's, Tensile) Modulus

190 GPa

Elongation at Break

22 %

Fatigue Strength

230 MPa

Poisson's Ratio

0.29

Shear Modulus

73 GPa

Shear Strength

370 MPa

Tensile Strength: Ultimate (UTS)

590 MPa

Tensile Strength: Yield (Proof)

330 MPa

Hardness

Brinell Hardness

180

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

51 W/m-K

Thermal Diffusivity

14 mm 2 /s

Thermal Expansion

13 µm/m-K

Thermal Shock Resistance

17 points

Electrical

Electrical Conductivity: Equal Volume

7.2 % IACS

Electrical Conductivity: Equal Weight (Specific)

8.2 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)

110 MJ/m 3

Resilience: Unit (Modulus of Resilience)

290 kJ/m 3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

21 points

Strength to Weight: Bending

20 points

Environmental

Base Metal Price

1.9 % relative

Embodied Carbon

1.4 kg CO 2 /kg material

Embodied Energy

19 MJ/kg

Embodied Energy

19 MJ/kg 8.0 x 10 3 BTU/lb

Embodied Water

47 L/kg

Embodied Water

47 L/kg 5.6 gal/lb

Registered Designations & Aliases

ASTM A299 Grade A Manganese-Silicon Steel

Standards

ASTM A299 ASTM A299: Standard Specification for Pressure Vessel Plates, Carbon Steel, Manganese-Silicon

ASTM A299 ASTM A299: Standard Specification for Pressure Vessel Plates, Carbon Steel, Manganese-Silicon Pressure Vessels: External Pressure Technology, 2nd ed., Carl T. F. Ross, 2011 Properties and Selection: Irons, Steels and High Performance Alloys, ASM Handbook vol. 1, ASM International, 1993 Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005