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Stainless steel

1.4841 | X15CrNiSi25-21

Heat-resistant steel

Austenitic steels such as 1.4841 have only 30% of the thermal conductivity of unalloyed steels. Their melting point is lower than that of unalloyed steels, so austenitic steels must be welded with lower heat input than unalloyed steels. In order to avoid overheating or burn-through with thinner sheets, high welding speeds must be used. Grade 1.4841 is suitable for components that need to be scale resistant up to about 1150 °C.

Properties according to DIN EN 10088

Steel type

Short designationAisi/SAEMaterial number

Mechanical properties (transverse)

Proof stress Rp0,2 MPa min.Tensile strength Rm MPaElongation at fracture A80 % min.

Chemical composition (heat analysis)

Percentage by weight % max.
CCrNi min.NSiMnPS

Other steel types to mill standards and international standars on request.