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X10CrMoVNb9-1 | 1.4903 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Successor VDA 231-106 classification Application temperature [°C]
1.4903 (VdTÜV WB 511-3 : 2004-12) X10CrMoVNb9-1 1.4903 VdTÜV WB 511-3 : 2004-12 VdTÜV WB 511-3 : 2004-12 superseded by VdTÜV WB 511-3 : 2011-06 Replaced Germany X10CrMoVNb9 1 1.1.2 -10 - 650 1)
1) Remark: Valid for rod steel and forging heat resistant steel F91 weldable and formable Application range -10 to 650 °C - for pressure tanks acc. to AD 2000-Merkblatt W 13 - for pressure instruments acc. to guide line 97/23/EG - in nuclear power engineering as far as nuclear technique rules permit the use Smelting: - elektric arc process with following AOD/VOD-treatment State of removing oxygen: - especially becalmed Micrustructure after quenching and tempering: - pure martensitic in tempered state

Chemical Composition

Al [%] C [%] Cr [%] Mn [%] Mo [%] N [%] Nb [%] Ni [%] P [%] S [%] Si [%] V [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Direction Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A [%]
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Physical Properties

Condition Temperature [°C] Young's Modulus [GPa] Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1]
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Toughness Data (Impact)

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Shape Specimen Direction Notch Impact Energy [J]
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Welding and Joining

Procedure Welding and Joining - Evaluation Preheating [°C] Interpass Temperature [°C] Information
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Creep Rupture Behaviour

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Creep Tensile Strength at 10^4 h [MPa] Creep Tensile Strength at 10^5 h [MPa] 1% Creep Limit at 10^4 h [MPa]
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Heat Treatment

Heat Treatment Step Temperature [°C] Holding Time [h] Medium
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Cross Reference

Material Name Country Standard
X10CrMoVNb9-1 Europe EN 10222-2
F91 USA ASTM A 182
K90901 USA UNS

Producer/Supplier/Trade names

Tradename Supplier
X 10 CrMoVNb 9-1 Buderus Edelstahl GmbH, Wetzlar
X 10 CrMoVNb 9-1 voestalpine BÖHLER Edelstahl GmbH & Co.KG, Kapfenberg
X 10 CrMoVNb 9-1 BGH Edelstahl Siegen GmbH
X 10 CrMoVNb 9-1 Kind & Co., Edelstahlwerk, Wiehl
X 10 CrMoVNb 9-1 ET Edelstahl-Trading GmbH, Willich