Calculadora de Conversión de Dureza Gratis
Convierte entre escalas de dureza Brinell, Rockwell, Vickers y Shore. Tabla de equivalencias instantánea.
Approx. UTS (steel)
690 MPa
Approx. UTS (steel) vs Brinell Hardness (HB)
Fórmula
## Hardness to Strength Conversion For carbon and alloy steels, Brinell hardness (HB) correlates approximately with ultimate tensile strength. ### Empirical Relationship **UTS (MPa) ≈ 3.45 × HB** This approximation is valid for steels in the range HB 120-450. For non-ferrous metals or very high-strength steels, the conversion factor differs. The Rockwell B approximation is a rough linear mapping useful for quick estimates.
Ejemplo Resuelto
A steel part has a measured Brinell hardness of 200 HB.
- 01UTS ≈ 3.45 × 200 = 690 MPa
- 02In ksi: 690 × 0.145 = 100.1 ksi
- 03Approx. HRB = (200 - 49) / 2.8 + 35 = 53.9 + 35 = 88.9
Preguntas Frecuentes
How accurate is the HB to UTS conversion?
For carbon and alloy steels in the HB 120-450 range, the approximation is within about 10%. Outside this range or for other materials, the accuracy decreases significantly.
What is the difference between Brinell and Rockwell hardness?
Brinell uses a steel or carbide ball with a known load and measures indentation diameter. Rockwell measures indentation depth with various indenters (B scale uses a ball, C scale uses a diamond cone).
Can hardness testing replace tensile testing?
For approximate screening or quality control, yes. Hardness is quick, non-destructive (practically), and correlates with strength. For formal material certification, a tensile test is still required.
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