Property Class 14.8U Material Datasheet
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| Material Number | Material Name | Standard | Scope | Standard Status | Country | Predecessor | VDA 231-106 classification | Application temperature [°C] | |
|---|---|---|---|---|---|---|---|---|---|
| 14.8U (VDA 235-205 : 2024-11) | Property Class 14.8U | VDA 235-205 : 2024-11 | Supersedes VDA 235-205 : 2020-08 | Valid | Germany | Property Class 14.8U | 1.1.1 | -50 - 200 | 1) |
| 1) Remark: Ultra high strength fasteners with bainitic heat treatment for bolts and screws for engine applications, e.g. cylinder head bolts, main bearing cap bolts, connecting rod bolts. NOTE: Other applications by special agreement between customer and manufacturer. |
Chemical Composition
| Al [%] | As [%] | B [%] | C [%] | Cu [%] | Mn [%] | N [%] | Nb [%] | Ni [%] | P [%] | S [%] | Si [%] | Sn [%] | Ti [%] | Remainder | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | blur | 1)2) |
| 1) Source: blur | |||||||||||||||
| 2) Remark: blur |
Mechanical Properties
| Condition | Tensile Strength [MPa] | Yield Strength (0.2% offset) [MPa] | Elongation A [%] | Reduction of Area [%] | Hardness HV | |
|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | 1)2) |
| 1) Source: blur | ||||||
| 2) Remark: blur |
Producer/Supplier/Trade names
| Tradename | Supplier |
|---|---|
| 14.8U | 4fastening GmbH, Pohlheim |
| 14.8U | Johann Maier GmbH & Co. KG, Stuttgart |
| KXtreme 14.8U | KAMAX Automotive GmbH, Homberg (Ohm) |
| Grade 14.8U | Sun Through Industrial Co. Ltd., Hemei Township |