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All Steel Grades

18CrNiMo7-6

Steel Data Sheet

EN

18CrNiMo7-6

DIN

17CrNiMo6

SAE / AISI / ASTM

BS

820A16

AFNOR

18NCD6

Equivalent Steel Grades

Material No

1.6587

Chemical Composition (%)

EN 10084: 2008

C

Si

Mn

P

S

Cr

Ni

Mo

Cu

Al

Min

0.15

0.50

1.50

1.40

0.25

Max

0.21

0.40

0.90

0.025

0.035

1.80

1.70

0.35

390

40 < t ≤ 100

16 < t ≤ 40

t ≤ 16

Min

Thickness (mm)

Diameter (mm)

YIELD STRENGTH (Re) (N/mm² = MPa) 

Condition of the Sample: 

Mechanical Properties

40 < t ≤ 100

16 < t ≤ 40

t ≤ 16

Max

Min

Thickness (mm)

Diameter (mm)

TENSILE STRENGTH (Rm) (N/mm² = MPa) 

Min

Thickness (mm)

Diameter (mm)

ELONGATION (%)

t ≤ 16

16 < t ≤ 40

40 < t ≤ 100

HARDNESS (HB)

+AR

+N

+A

230

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