C

Si

Mn

P

S

Cr

Mo

Ni

Fe

0.7 – 0.8

0.15 – 0.35

0.6 – 0.9

<0.025

<0.025

<0.4

<0.1

<0.4

Other

Tensile strength

R_m

≥ 1080 MPa

Yield point

R_e

≥ 880 MPa

Hardness in the raw condition

≤ 285 HB

Hardness in softened condition

≤ 241 HB

Contraction

Z

≥ 30%

Elongation

A

≥ 9%

Density

ρ

~7.85 kg/dm³

Linear Expansion Factor

α_20-100℃

~11.4 ⋅ 10⁻⁶ K⁻¹

Heat capacity

c_{p 20-100℃}

~483 J ⋅ ​kg⁻¹ K⁻¹

Heat conductivity

λ_20℃

49.81 W ⋅ m⁻¹ K