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L415QB spectacle blind flanges EN1092-1 forged flanges 1.8947 steel forged flanges
| Grade : | L415QB | ||
| Number: | 1.8947 | ||
| Classification: | Alloy special steel | ||
| Density: | 7.85 g/cm ³ | ||
| Standard: |
|
| C | Si | Mn | Ni | P | S | Cr | Mo | V | N | Nb | Ti | Al | Cu | - |
| max 0.16 | max 0.45 | max 1.6 | max 0.3 | max 0.025 | max 0.02 | max 0.3 | max 0.1 | max 0.08 | max 0.012 | max 0.05 | max 0.04 | 0.015 - 0.06 | max 0.3 | V+Nb+Ti <0.15, CEV < 0.43 |
| Rm - Tensile strength (MPa) | 520 |
| Rt0.5 - Yield strength for 0.5% total elongation(MPa) | 415-565 |
| KV - Impact energy (J) transverse, | 0° 40 |
| KV - Impact energy (J) longitud., | 0° 60 |
| A - Min. elongation at fracture (%) | 18-20 |