C

Si

Mn

P

S

Cr

Mo

Ni

V

Cu

Fe

< 0.15

<0.35

0.3-0.8

< 0.02

<0.01

–

–

4.5-5.3

<0.05

<0,3

Other

+QT (+NT)

Nominal thickness, (mm)

< 25

25 – 40

Yield strength, min., ReH, MPa

390

Tensile strength (tensile strength), min., Rm, MPa

510-710

Relative lengthening, min., %

Longitudinal samples

21

Cross patterns

19

Impact work KV at 20°C, min., J

Longitudinal swatches

70

70

Cross patterns

50

50

Impact work KV at -20°С, min., J

Longitudinal swatches

70

65

Cross swatches

50

45

Impact work KV at -40°С -40°F ], min., J

Longitudinal swatches

65

65

Cross patterns

45

45

Impact work KV at -50°С -60°F ], min., J

Longitudinal swatches

65

65

Cross Patterns

45

45

KV impact work at -60°C -75°F ] , min., J

Longitudinal swatches

65

60

Cross patterns

45

40

Impact work KV at -90°C, min., J

Longitudinal patterns

55

50

Cross patterns

35

30

KV impact work at -100°C -150°F ], min., J

Longitudinal swatches

50

45

swatches

30

30

Impact work KV at -110°C, min., J

Longitudinal swatches

45

40

Cross patterns

30

27

Impact work KV at -120°С, min., J

Longitudinal patterns

40

–

Cross swatches

27

–