Alloy 309 / 1.4828

1.4828 is a quality standard for furnaces and other high temperature components. Compared to other grades for applications and due to the high tensile strength at elevated temperatures, 1.4828 is ideal for application where special emphasis is placed on mechanical properties.

Material DesignationAISI/SAEEN Material SymbolUNS
1.4828309X15CrNiSi20-12S 30900

Main fields of application of 1.4828

1.4828 is mainly used in the fields of industrial furnaces, and apparatus for hardening boxes, annealing pots, and annealing baskets.


Chemical composition of 1.4571

ElementC (%)Si (%)Mn (%)P (%)S (%)
Element0.21.5-2.02.00.0450.015
ElementCr (%)Ni (%)N (%)
Element19.0-21.011.0-13.00.11

Characteristics of 1.4828

Temperature RangeDensity kg/dm³Hardness HB
Heat resistance on air up to 1000°C7.9≤ 223

Filler metal (for welding with 1.4828)

1.4829

Weight Calculator

Density:7.85
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