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Corrosion Resisting Alloy 4S80 / 5S80 / 6S80 

Data Sheet S80 Stainless steel

Chemical Composition Limits

Weight % C

Si

Mn P+S max Cr Ni Others

4S80

5S80 6S80

0.12/0.20 1.00 max 1.00 max

0.030P

0.025S

15.00/18.00 2.00/3.00

Mo 0.30

Co 0.05

Cu 0.30

Nb 0.05

Sn 0.02

Ti 0.05

V 0.20

W 0.05

Properties

6S80 Treatment Tensile

Strength Rm

Proof Stress

Rp0.2

EI A%

on

5.65So

IZOD IMPACT FT.Lbs

HARDNESS

HB

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

 

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

0.040P

0.030S

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

0.040P

0.030S

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

0.040P

0.030S

15.50/17.00 2.00/3.00 Mo0.50max Cu0.50max N 0.10max
MIL-S-86213 431 0.20 max 1.00 max 1.25 max

0.040P

0.030S

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 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

0.040P

0.030S

15.50/16.50 2.00/3.00 Mo0.25max N 0.10
MSRR 6573              
Z15 CN17-03              
BACM 85              
WS 1.4044              
WERKSTOFF 1.4057 X22CrNi17 0.15/0.23 1.00max 1.00max

0.045P

0.030S

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

0.040P

0.030S

15.00/17.00 1.50/2.50 -

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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