T/P921 | 1.7392 Material Datasheet
Unlock Exclusive Materials Data
Gain access to a wealth of materials data by joining our Materials Portal.
Register for Free or Upgrade for Full AccessMaterial Description
| Material Number | Material Number (single) | Standard | Scope | Standard Status | Country | Predecessor | Application temperature [°C] | VDA 231-106 classification | |
|---|---|---|---|---|---|---|---|---|---|
| 1.7392 (VdTÜV WB 588 : 2021-06) | 1.7392 | VdTÜV WB 588 : 2021-06 | Supersedes VdTÜV WB 588 : 2019-03 | Valid | Germany | P9mod | -10 - 704 | 1.1 | 1) |
| 1) Remark: High-temperature seamless steel pipes made of ferritic-martensitic steel with improved anti-coking performance for pressure vessels according to AD 2000 W4, for pressure equipment acc. to directive 2014/68/EU and for nuclear engineering. Application: refinery furnaces Applicable documents: EN 10216-2 |
Chemical Composition
| Al [%] | C [%] | Cr [%] | Cu [%] | Mn [%] | Mo [%] | N [%] | Ni [%] | P [%] | S [%] | Si [%] | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| 1) Source: blur |
Mechanical Properties
| Semi-finished Product | Condition | Nominal Size [mm] | Temperature [°C] | Specimen Direction | Tensile Strength [MPa] | Yield Strength [MPa] | Yield Strength (0.2% offset) [MPa] | Elongation A [%] | Hardness HV 10 | |
|---|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1) |
| 1) Source: blur |
Physical Properties
| Temperature [°C] | Young's Modulus [GPa] | Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] | |
|---|---|---|---|
| blur | blur | blur | 1) |
| blur | blur | blur | 1) |
| blur | blur | blur | 1) |
| blur | blur | blur | 1) |
| blur | blur | blur | 1) |
| blur | blur | blur | 1) |
| blur | blur | blur | 1) |
| blur | blur | blur | 1) |
| blur | blur | blur | 1) |
| blur | blur | blur | 1) |
| 1) Source: blur |
Welding and Joining
| Procedure | Welding and Joining - Evaluation | Preheating [°C] | Interpass Temperature [°C] | |
|---|---|---|---|---|
| blur | blur | blur | blur | 1)2) |
| 1) Source: blur | ||||
| 2) Remark: blur |
Toughness Data (Impact)
| Condition | Nominal Size [mm] | Temperature [°C] | Specimen Shape | Specimen Direction | Notch Impact Energy [J] | |
|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | 1) |
| 1) Source: blur |
Creep Rupture Behaviour
| Condition | Temperature [°C] | Creep Tensile Strength at 10^4 h [MPa] | Creep Tensile Strength at 10^5 h [MPa] | |
|---|---|---|---|---|
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | 1) |
| 1) Source: blur |
Heat Treatment
| Heat Treatment | Step | Nominal Size [mm] | Temperature [°C] | Holding Time [h] | Medium | |
|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | blur | blur | blur | 1)2) |
| blur | blur | blur | blur | blur | blur | 1)2) |
| 1) Source: blur | ||||||
| 2) Remark: blur |
Cross Reference
| Material Name | Country | Standard |
|---|---|---|
| P9mod | Germany | VdTÜV WB 588 |
| P921 | Germany | VdTÜV WB 588 |
| T921 | Germany | VdTÜV WB 588 |
| X10CrSiCuMoNi9-2-1 | Europe | EN 10216-2 |
Producer/Supplier/Trade names
| Tradename | Supplier | |
|---|---|---|
| P9mod | Vallourec Deutschland GmbH, Mülheim | 1) |
| 1) Source: VdTÜV WB 588 : 2021-06 |
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 |
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 |
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 |
| 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 |
Tensile strength
| Temperature [°C] | Tensile 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 |
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 |
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 |
| 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 |
Tensile strength
| Temperature [°C] | Tensile 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 |
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 |