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Data Sheet:

Corrosion Resisting Alloy 4S80 / 5S80 / 6S80 7S80

Chemical Composition Limits
Weight % C

Si

 Mn P+S max Cr Ni Others (max)

4- S80

5- S80 

6- S80

7- S80

Bar

 0.12/0.20 1.00 max 1.00 max

0.030P

0.025S

15.00/18.00 2.00 / 3.00

Mo 0.3 / Co 0.05 / Cu 0.3 / Nb 0.05/

Sn 0.02 / Ti 0.05 / V 0.20 / W 0.05

Properties

6S80

7S80

 Treatment Tensile

Strength Rm

Proof Stress

Rp0.2

EI A%

on

5.65ÖSo

IZOD IMPACT FT.Lbs

HARDNESS

HB

 RULING SECTION PRODUCT RANGE COLOUR CODE
N/MM² N/MM²

 

HT

HT

880 / 1080

-

690

-

12

-

25

15

255 / 321

-

2.5"

2.5-4"

ROUND

SQUARE

FLAT 

HEXAGON

BROWN

BLACK

RED

Chemically similar British Specifications BS.970 Pt4. 431 S29 (EN57)
Weight % C

Si

 Mn P+S max Cr Ni Others
431S29 EN57 0.12 / 0.20 0.80 max 1.00 max

0.040 P

0.030 S

15.00/18.00 2.00 / 3.00 -

Other Chemically similar Specifications
Weight % C

Si

 Mn P+S max Cr Ni Others
AISI 431 SAE-51431 0.20 max 1.00 max 1.00 max

0.040 P

0.030 S

15.00 / 17.00 1.25 / 2.50 -
AMS 5628D 0.12 / 0.17 0.20 / 0.60 0.30/0.80

0.040 P

0.030 S

 15.50 / 17.00 2.00 / 3.00

Mo 0.50 max / Cu 0.50max / 

N 0.10max
MIL-S-86213 431 0.20 max 1.00 max 1.25 max

0.040 P

0.030 S

 15.00 / 17.00 1.25 / 2.50 -
MIL-S-8967 (ASG) 0.13 / 0.17 0.20 / 0.60 0.30 / 0.80

0.025

max

 15.50 / 16.50 2.00 / 3.00 Mo 0.25 max.
MIL-S-187320 0.13 / 0.17 0.20 / 0.60 0.30 / 0.80

0.040 P

0.030 S

 15.50 / 16.50 2.00 / 3.00 Mo 0.25 max / N 0.10 max
MSRR 6573 - - - - - - -
Z15 CN17-03 - - - - - - -
BACM 85 - - - - - - -
WS 1.4044 - - - - - - -
WERKSTOFF 1.4057 X22CrNi17 0.15 / 0.23 1.00 max 1.00 max

0.045 P

0.030 S

 16.00 / 18.00 1.50 / 2.50 -
UNI X16CrNi16 0.10 / 0.20 1.00 max 1.00 max

0.040 P

0.030 S

 15.00 / 17.00 1.50 / 2.50 -

 

SPECIFICATIONS

S80 Round Bar / Rod.

 

MECHANICAL PROPERTIES

S80
Treatment Tensile Strength Rm, N/MM2 Proof Stress Rp 0.2, N/MM2

Elongation in 5.65√Cross 

Sectional Area (%)

Hardness HB
Hardened and Tempered 880 / 1080 690 12 255 / 321  

 

Disclaimer    

Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

 

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