Group

Subgroup

Stainless and heat resisting steels

Material properties

Comment

Application

SA-299 Carbon-manganese-silicon steel plates for pressure vessels

Current practice normally limits the maximum thickness of plates to 203 mm.

SA-299 (USA / ASME)Material

MinDimension Max Approx

Yield Stress[MPa]

Plate; As rolled; t < 25,4 mm 290 - -

Plate; As rolled; 25,4 mm < t < 50 mm 276 - -

Plate; Normalized; t > 50 mm 276 - -

MinDimension Max Approx

Tensile Stress[MPa]

Plate; As rolled; t < 25,4 mm 515 655 -

Plate; As rolled; 25,4 mm < t < 50 mm 515 655 -

Plate; Normalized; t > 50 mm 515 655 -

MinDimension Max Approx

Elongation A5 [%]

Plate; As rolled; t < 25,4 mm 16.0 - -

Plate; As rolled; 25,4 mm < t < 50 mm 16.0 - -

Plate; Normalized; t > 50 mm 16.0 - -

Min Max

Chemical Composition [%]

Criterion Approx

C - 0.2800 -

Si 0.1500 0.3000 -

Mn 0.9000 1.4000 -

P - 0.0350 -

S - 0.0400 -

- Mn Depending on thicknesses

Page 1

All Rights Reserved 1999-2005 INI International

Heat Treatment

Plates 50 mm and under in thickness may be ordered normalized or stress relieved, or both.

Page 2

All Rights Reserved 1999-2005 INI International