Description
Technical Parameters
51CrV4 Spring Steel Round Bar
Round Bar Products Description
50CrV4 round steel rod has good mechanical and process properties, high NMenability, vanadium addition can refine the grain of steel, reduce overheat sensitivity, improve strength and toughness, high fatigue strength, high yield strength ratio.
51CrV4 round bar steel is usually supplied in a rolled state. When used in oil quenching and tempering conditions, 51CrV4 round bar spring steel combines spring characteristics with excellent wear resistance and impact resistance.
51CrV4 Spring Steel Round Bar Products Details
Chemical Composition of 51CrV4 :
| Element | 51CrV4 |
| C | 0.45 – 0.55 |
| Si | max 0.40 |
| Mn | 0.70 – 1.10 |
| P | max 0.025 |
| S | max 0.025 |
| Cr | 0.90 – 1.20 |
| V | 0.10 – 0.25 |
Equivalent grades of 51CrV4 (1.8159) / 50CrV4 :
| EU | EN | 51CrV4 |
| USA | – | 6150 |
| Germany | DIN,WNr | 50CrV4 |
| Japan | JIS | SUP10 |
| France | AFNOR | 50CrV4 / 51CrV4 |
| England | BS | 735A50 / 735A51 |
| Italy | UNI | 50CrV4 |
| Spain | UNE | 51CrV4 / F1430 |
| China | GB | 50CrVA |
| Sweden | SS | 2230 |
| Poland | PN | 50HF |
| Czechia | CSN | 15260 |
| Russia | GOST | 50KHGFA |
| Inter | ISO | 51CrV4 |
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