B392 Type 2 | R04210 Material Datasheet
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| Material Number | Material Name | Material Number (single) | Standard | Scope | Standard Status | Country | Predecessor | VDA 231-106 classification | |
|---|---|---|---|---|---|---|---|---|---|
| R04210 (ASTM B392 : 2018) | B392 Type 2 | R04210 | ASTM B392 : 2018 | Supersedes ASTM B392 : 2009 | Valid | USA | B392 Type 2 | 4.2 | 1) |
| 1) Remark: Commercial grade unalloyed niobium bar, rod and wire. |
Chemical Composition
| Al [%] | C [%] | Fe [%] | H [%] | Hf [%] | Mo [%] | N [%] | Ni [%] | O [%] | Si [%] | Ta [%] | Ti [%] | W [%] | Zr [%] | Remainder | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)2) |
| 1) Source: blur | |||||||||||||||
| 2) Remark: blur |
Material Compliance
| REACh | RoHS |
|---|---|
| blur | blur |
Mechanical Properties
| Semi-finished Product | Condition | Nominal Size [mm] | Temperature [°C] | Tensile Strength [MPa] | Yield Strength (0.2% offset) [MPa] | Elongation A [%] | Hardness HB | HBW | |
|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | 1) | |
| blur | blur | blur | blur | blur | blur | 1) | ||
| blur | blur | 2)3) | ||||||
| blur | blur | 2)4) | ||||||
| 1) Source: blur | ||||||||
| 2) Source: blur | ||||||||
| 3) Remark: blur | ||||||||
| 4) Remark: blur |
Physical Properties
| Temperature [°C] | Density [g/cm³] | Young's Modulus [GPa] | Mean Coefficient of Thermal Expansion [10^-6*K^-1] | Thermal Conductivity [W/(m*K)] | Specific Electrical Resistance [µΩm] | |
|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | 1) |
| blur | blur | blur | 1) | |||
| 1) Source: blur |
Producer/Supplier/Trade names
| Tradename | Supplier |
|---|---|
| Nb | Admat Inc., Norristown |
| Nb | Haines & Maassen Metallhandelsgesellschaft mbH, Bonn |
| Nb | Metalcor GmbH, Essen |
| Nb | STS Metalle GmbH, Alzenau |
| Nb | WHS Sondermetalle e.K., Grünsfeld |