Amstrong® Ultra 650MC

Amstrong® Ultra 650MC introduction

Amstrong® Ultra 650MC offers exceptionally high yield strength values. It has a fine grain structure, low carbon content for improved weldability, and controlled internal purity.

Amstrong® Ultra 650MC general

Property Value
Carbon equivalent note CEV = C + Mn/6 + (Cr+Mo+V)/5 + (Cu+Ni)/15 and PCM = C + Si/30 + (Cr+Mn+Cu)/20 + Ni/60 + Mo/15 + V/10 + 5B

Amstrong® Ultra 650MC thermal

Property Temperature Value Comment
Charpy impact energy -20 °C Charpy impact energy of 40 J min. | for thickness 6-12 mm
Elongation - Elongation of 10 % min. | for thickness 2-3 mm | Transverse/Longitudinal, A80
- - Elongation of 12 % min. A5.65√So | for thickness 2-15 mm | Transverse
- - Elongation of 14 % min. A5.65√So | for thickness 2-12 mm
Tensile strength - Tensile strength of 700 - 850 MPa for thickness 2-12 mm
- - Tensile strength of 710 - 880 MPa for thickness 2-15 mm | Transverse
Yield strength - Yield strength of 630 MPa min. | for thickness 8-12 mm
- - Yield strength of 650 MPa min. | for thickness 2-8 mm
- - Yield strength of 650 MPa min. | for thickness 8-15 mm | Transverse
- - Yield strength of 670 MPa min. | for thickness 2-8 mm | Transverse

Amstrong® Ultra 650MC chemical

Property Value Comment
Aluminium Aluminium of 0.015 % min.
Boron Boron of 0.005 % max.
Carbon Carbon of 0.1 % max.
Manganese Manganese of 2 % max.
Molybdenum Molybdenum of 0.5 % max.
Niobium Niobium of 0.09 % max.
Phosphorus Phosphorus of 0.025 % max.
Silicon Silicon of 0.25 % max.
Sulfur Sulfur of 0.005 % max.
Titanium Titanium of 0.15 % max.
Vanadium Vanadium of 0.2 % max.

Amstrong® Ultra 650MC magnetic

Property - -
Application areas
Chemical composition
Other
Surface Finish
Thermal cutting and welding
Wear resistance
Welding - Thickness range CEV typical PCM typical
≤ 12 mm 0.42
> 12 mm 0.45

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