Sales hotline: +1 800 878 3675
Contact us on usa@langleyalloys.com to request a quote
Sales hotline: +1 800 878 3675
Alloy 254是一种高合金奥氏体不锈钢,在热加工和退火后供应。 由于添加了大量的钼、镍和铜,因此这种合金具有良好的耐点蚀和耐裂隙腐蚀性,尤其是在含卤离子(例如氯、溴和氟)溶液的环境中。 因此,它被广泛用于苦咸水、海水、纸浆厂漂白车间及其他氯化工艺流中的应用。在这些应用环境中,它能够作为更昂贵的镍合金和钛合金的一种更加经济的替代品。
通过添加大量合金元素,它的强度可达到3xx奥氏体不锈钢的近两倍。 它在高温和零下温度时仍可保持出色的延性和韧性。 它通常能够以与其他3xx合金相同的方式进行成形和焊接,但由于其较高的加工硬化率,因此加工时可能需要放慢速度/消耗更多电力。
Cr | Ni | Mo | Co | Nb (+Ta) | Ti | V | W | Cu | C | Mn | N | Si | P | S | Fe | Al | |
Min | 19.50 | 17.50 | 6.00 | 0.50 | 0.18 | ||||||||||||
Max | 20.50 | 18.50 | 6.50 | 1.00 | 0.02 | 1.00 | 0.22 | 0.80 | 0.03 | 0.01 | Bal |
0.2% Proof Stress | 300 N/mm2 | 43.5ksi |
Tensile Strength | 650 N/mm2 | 94.25ksi |
Elongation, 5.65√S0 and 4D | 35% | |
Reduction of Area | 50% | |
Hardness (Brinell) | <270 | |
Impact Strength (Room Temp) | ||
Impact Strength (-60degC) |
Density (Kg/m3) | 8000 |
Magnetic Permeability (20°C) | <1.05 |
Young’s Modulus (kN/mm2) | 200 |
Specific Electrical Resistance, 20°C (Ω-m) | 0.85 |
Mean coefficient of thermal expansion, 20-100°C (m/m/degC) | 16.5 |
Specific Heat, 20°C (J/kg.K) | 500 |
Thermal conductivity, 20°C (W/m.K) | 13.5 |
Worldwide Delivery Available
We can offer air, sea and road freight shipping options, with choice of packaging, to deliver to customers globally.
Inventory Management
Let us manage your total material requirements with call-off and consignment arrangements.
Up to 40 sizes per alloy available
More sizes equal less machining and a more cost-effective supply chain.