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high-temperature steels
Quality 1.4903

Grade
X10CrMoVNb9-1

Material Specifications
EN 10302, VdTÜV W.BL511/3, ASTM A182, ASME SA 182 / F91, UNS K90901

Treatment
quenched and tempered

Mechanical Specifications
620 - 850 N/mm²

Shape Round
20 mm - 250 mm

Chemical Analysis

C: 0,08 - 0,12 %
Cr: 8,0 - 9,5 %
Mn: 0,3 - 0,6 %
Mo: 0,85 - 1,05 %
Ni: max. 0,4 %
P: max. 0,025 %
S: max. 0,015 %
Si: max. 0,5 %
V: 0,18 - 0,25 %
N: 0,03 - 0,07 %
Al: max. 0,04 %

Application

The material 1.4903 is a martensitic high-temperature steel. This grade is characterized by good mechanical behavior (creep yield strength and creep rupture strength) under long-term conditions at temperatures ≥ 500°C. Applications: power plant construction, mechanical engineering, power generation, fittings and accessories in boiler construction, piping.

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Anna Enriquez
Sales Fasteners
+49 (0) 23 31 - 387 113
enriquez@remove-this.remystahl.de
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