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Non-Corrosion Resisting Steel 2S140


Technical Data Sheet

 

Chemical Composition Limits
Weight% C Si Mn P+S max Cr Mo Ni Al Other
S140

0.27-0.35

0.15-0.35 0.45-0.70 P 0.025
S 0.020
0.50-0.80 0.45-0.65 2.30-2.80 0.015-0.050 -
2S140 0.27-0.35 0.15-0.35 0.45-0.70 P 0.025
S 0.020
0.50-0.80 0.45-0.65 2.30-2.80 0.015-0.050 -
Chemically similar British Specifications BS.970 Pt2
Weight% C Si Mn P+S max Cr Mo Ni Other
817Mo 0.36-0.44 0.10-0.35 0.45-0.70

P 0.040
S 0.050

1.00-1.40 0.20-0.35 1.30-1.70 -
EN24 0.35-0.45 0.10-0.35 0.45-0.70 - 0.90-1.40 0.20-0.35 1.30-1.80 -
Other Chemically similar Specifications
Weight% C Si Mn P+S max Cr Mo Ni Other
UNI 30NiCrMo12 0.27-0.35 0.40 max 0.50-0.80 0.035 0.60-1.00 0.30-0.60 2.60-3.20 -


Typical Mechanical Properties

Grade Treatment Tensile Strength Rm , N/mm² Proof Stress Rp 0.2, N/mm² Elongation in 5.65 √Cross Sectional Area% Hardness HB Ruling Section
S140 Solution Annealed - - - 248 max  
S140 Hardened and Tempered 1080-1280 880 10 311-388 6"

Availability
Alloy S140 is available in Bar. For all stock availability contact Sales.

Services
At Aircraft Materials all stock items can be shipped out within 24 hours, usually within the same day. Even cutting orders for bar or sheet can be processed and dispatched the same day, and for time-critical situations such as AOGs, we have a dedicated AOG service desk ready to help (aog@aircraftmaterials.com).

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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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