826M31

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Alias

826M31
BS 4670

Chemistry

Alloy Steel

Element	Min	Max
C (Carbon)	0.27%	0.35%
Cr (Chromium)	0.5%	0.8%
Mn (Manganese)	0.45%	0.7%
Mo (Molybdenum)	0.45%	0.65%
Ni (Nickel)	2.3%	2.8%
P (Phosphorus)		0.04%
S (Sulphur)		0.04%
Si (Silicon)	0.1%	0.35%

Mechanical Property	Min	Max
Ultimate Tensile Strength (UTS)	950	1100 MPa
Yield Strength	780 MPa
0.2% Proof Stress	750 MPa
Elongation	12%
Gauge Length	5.65vSo
Hardness (Brinell)	277	311 HB
Charpy V-Notch Impact = Room Temp.	30 Joules

Properties

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