X6CrNiNb18-10 | 1.4550 Material Datasheet
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| Material Number | Material Number (single) | Standard | Scope | Standard Status | Country | Predecessor | VDA 231-106 classification | |
|---|---|---|---|---|---|---|---|---|
| 1.4550 (DIN EN 10250-4 : 2022-08) | 1.4550 | DIN EN 10250-4 : 2022-08 | Supersedes DIN EN 10250-4 : 2000-02 | Valid | Germany | X6CrNiNb18-10 | 1.1 | 1) |
| 1) Remark: Stainless austenitic steel for open die forgings, forged bars and products pre-forged and finished in ring rolling mills for general engineering purposes . Resistance to intergranular corrosion both as delivered and in sensitized condition. |
Chemical Composition
| C [%] | Cr [%] | Mn [%] | Nb [%] | Ni [%] | P [%] | S [%] | Si [%] | |
|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | 1)2) |
| 1) Source: blur | ||||||||
| 2) Remark: blur |
Mechanical Properties
| Semi-finished Product | Condition | Nominal Size [mm] | Temperature [°C] | Specimen Direction | Tensile Strength [MPa] | Yield Strength (0.2% offset) [MPa] | Yield Strength (1.0% offset) [MPa] | Elongation A [%] | |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| 1) Source: blur |
Physical Properties
| Temperature [°C] | Density [g/cm³] | Young's Modulus [GPa] | Shear Modulus [GPa] | Poisson's Ratio | Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] | Differential Coefficient of Thermal Expansion [10^-6*K^-1] | Thermal Conductivity [W/(m*K)] | Thermal Diffusivity [10^-6 m²/s] | Specific Electrical Resistance [µΩm] | Mean Specific Heat Capacity [kJ/(kg*K)] | True Specific Heat Capacity [kJ/(kg*K)] | Magnetizeability | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 2) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 3)4) |
| 1) Source: blur | |||||||||||||
| 2) Source: blur | |||||||||||||
| 3) Source: blur | |||||||||||||
| 4) Remark: blur |
Toughness Data (Impact)
| Semi-finished Product | Condition | Nominal Size [mm] | Temperature [°C] | Specimen Shape | Specimen Direction | Notch Impact Energy [J] | |
|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | 1) |
| 1) Source: blur |
Heat Treatment
| Heat Treatment | Temperature [°C] | Medium | |
|---|---|---|---|
| blur | blur | blur | 1) |
| blur | blur | blur | 1) |
| 1) Source: blur |
Cross Reference
| Material Name | Country | Standard | |
|---|---|---|---|
| 06Cr18Ni11Nb | China | GB/T 1220 | 1) |
| 06Cr18Ni11Nb | China | GB/T 20878 | 1) |
| S34778 | China | ISC | 1) |
| X6CrNiNb18-10 | Europe | EN 10250-4 | |
| X6CrNiNb18-10 | Europe | EN 10088-1 | |
| X04Cr18Ni10Nb | India | IS 1570-5 | 1) |
| X04Cr18Ni10Nb | India | IS 6529 | 1) |
| SUS 347 | Japan | JIS G 4303 | 1) |
| SUS 347FB | Japan | JIS G 4319 | 1) |
| SUS 347HFB | Japan | JIS G 4319 | 1) |
| 08Ch18N12B | Russia | GOST 5632 | 1) |
| 08Х18Н12Б | Russia | ГОСТ 5632 | 1) |
| STS 347 | South Korea | KS D 3706 | 1) |
| A314 Type 347 | USA | ASTM A314 | 2) |
| A473 Type 347 | USA | ASTM A473 | 2) |
| A484 Type 347 | USA | ASTM A484 | 2) |
| 347 | USA | SAE | 2) |
| Type 347 | USA | SAE | 2) |
| S34700 | USA | UNS | 2) |
| X 6 CrNiNb18 10 | Germany | 1) | |
| X 10 CrNiNb 18 9 | Germany | DIN 17440 | 3) |
| 1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach | |||
| 2) Source: Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008 | |||
| 3) Source: Stahlschlüssel 1980, Verlag Stahlschlüssel Wegst GmbH, Marbach |
Producer/Supplier/Trade names
| Tradename | Supplier | |
|---|---|---|
| X 18 NB | AUBERT & DUVAL Deutschland GmbH, München | 1) |
| BGH 4550 | BGH Edelstahl Siegen GmbH | 1) |
| 1.4550 | Chr. Höver & Sohn GmbH & Co KG, Lindlar | 1) |
| Acidur 4550 | Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten | 1) |
| Aerodur 4550 | Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten | 1) |
| 1.4550.00 | Edelstahlwerk W. Ossenberg & Cie. GmbH, Altena | 1) |
| F347/F347H | Fritz Baumann GmbH & Co. KG, Güglingen | 1) |
| 1.4550 | Gustav Grimm Edelstahlwerk GmbH & Co. KG, Remscheid | 1) |
| 1.4550 | IMBACH & CIE AG, Nebikon | 1) |
| 1.4550 | Platestahl Umformtechnik GmbH, Lüdenscheid | 1) |
| Puro 1.4550 | Remystahl GmbH & Co. KG, Hagen | 1) |
| 1.4550 | Rolf Kind GmbH, Gummersbach | 1) |
| 1.4550 | Rosswag GmbH, Pfinztal-Kleinsteinbach | 1) |
| Irrubigo 4550 | Schmidt + Clemens GmbH + Co. KG, Edelstahlwerk Kaiserau, Lindlar | 1) |
| X6CrNiNb18-10 | Schmiedewerke Gröditz GmbH, Gröditz | 1) |
| X6CrNiNb18-10 | voestalpine AG, Linz | 1) |
| BÖHLER A760 | voestalpine BÖHLER Edelstahl GmbH & Co.KG, Kapfenberg | 1) |
| A760 | voestalpine BÖHLER Edelstahl GmbH & Co.KG, Kapfenberg | 1) |
| BÖHLER A750 | voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf | 1) |
| A750 | voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf | 1) |
| 1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach |
Material Compliance
| REACh | RoHS |
|---|---|
| blur | blur |
Linear-elastic
| Temperature [°C] | Young's modulus [GPa] | Bulk modulus [GPa] | Shear modulus [GPa] | Poisson's ratio |
|---|---|---|---|---|
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
Alternating stress
| Temperature [°C] | Stress ratio | Mean stress [MPa] | Alternating stress [MPa] | Cycles |
|---|---|---|---|---|
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur |
Yield strength
| Temperature [°C] | 0.1% Proof strength [MPa] | 0.2% Proof strength [MPa] | Yield strength [MPa] |
|---|---|---|---|
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
Electrical resistivity
| Temperature [°C] | Specific electrical resistance [µΩm] |
|---|---|
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
Coefficient thermal expansion
| Related Temperature [°C] | Temperature [°C] | Coefficient thermal expansion [10^-6*K^-1] |
|---|---|---|
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
Specific heat
| Temperature [°C] | Specific heat [kJ/(kg*K)] |
|---|---|
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
Density
| Temperature [°C] | Density [g/cm³] |
|---|---|
| blur | blur |
Tensile strength
| Temperature [°C] | Tensile strength [MPa] |
|---|---|
| blur | blur |
| blur | blur |
| blur | blur |
Thermal conductivity
| Temperature [°C] | Thermal conductivity [W/(m*K)] |
|---|---|
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
| blur | blur |
Classification
| WIAM Material | Treatment | Semi-finished product | Dimension [mm] | Load type | Failure criteria | Rolling direction | Maximum stress [MPa] | Strain at maximum stress [%] | Source description |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur |
Designation
| Designation | Material number | Source |
|---|---|---|
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
| blur | blur | blur |
Strain life
| Temperature [°C] | Static hardening coefficient [MPa] | Static hardening exponent | Cyclic fatigue strength coefficient [MPa] | Cyclic fatigue strength exponent | Ductility coefficient [Pa] | Ductility exponent | Cyclic strength coefficient [MPa] | Cyclic strain hardening exponent | Young's modulus [GPa] |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur |
Classification
| WIAM Material | Treatment | Semi-finished product | Dimension [mm] | Load type | Failure criteria | Rolling direction | Maximum stress [MPa] | Strain at maximum stress [%] | Source description |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur |
Yield strength
| Temperature [°C] | 0.1% Proof strength [MPa] | 0.2% Proof strength [MPa] | Yield strength [MPa] |
|---|---|---|---|
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
Classification
| WIAM Material | Treatment | Semi-finished product | Dimension [mm] | Load type | Failure criteria | Rolling direction | Maximum stress [MPa] | Strain at maximum stress [%] | Source description |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur |
Yield strength
| Temperature [°C] | 0.1% Proof strength [MPa] | 0.2% Proof strength [MPa] | Yield strength [MPa] |
|---|---|---|---|
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
| blur | blur | blur | blur |
Tensile strength
| Temperature [°C] | Tensile strength [MPa] |
|---|---|
| blur | blur |
| blur | blur |
| blur | blur |
Classification
| WIAM Material | Treatment | Semi-finished product | Dimension [mm] | Load type | Failure criteria | Rolling direction | Maximum stress [MPa] | Strain at maximum stress [%] | Source description |
|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur |