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Data Sheet:

Corrosion Resisting Steel S143/ S144/ S145

Chemical Composition Limits

Weight %

C

Si

Mn

P+S max

Cr

Ni

Mo

Others

2S143 3S144 3S145

0.07 max 0.60 max 1.0 max

0.035 P

0.025 S

13.20 / 14.70 5.00 / 5.80 1.20 / 2.00

Cu 1.20/2.00

Nb 0.10/0.40

 

MECHANICAL PROPERTIES OF ROLLED BAR (Longitudinal Direction)

Condition

0.2% Proof Stress (N/mm)

min

Tensile Strength

(N/mm)

Elongation 

5D % min

Hardness

Brinell

Izod Joules Fatigue (Wohler) 10 revs N/mm (typical) * B.S. Aerospace Equivalent Def * Stan 95-14 Cond.

1050°AC 

+2hrs 750/850°AC

- - - 293 / 341 - - - D

1050°AC 

+4hrs 450°AC ¥

1030 1170/1310 12 352/401 27 +508 2S144 H
Solution treatment at the lower end of the range gives improved ductility with a slight fall off in tensile properties.

1050°AC 

+2hrs 750°AC 

+2hrs 550°AC 

800 925/1080 15 277/341 54 +555 2S143 F

1050°AC 

+2hrs 750°AC 

+2hrs 620°AC

540 850/1000 20 255/302 80 +585 - G
950°AC - -

-

302/363 - - - B

950°AC 

+2/4hrs 450°AC ¥

1030 1265/1465 10 375/429 20 460 2S145 -
620°AC - - - 269/321 - - - A

*: Orders placed to BS2S143, 144, 145 and Def Stan 95-14 would meet the full specification requirements. 

¥: User Heat Treatments

No similar specifications to offer

 

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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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