Sales hotline: +1 800 878 3675
Contact us on usa@langleyalloys.com to request a quote
Sales hotline: +1 800 878 3675
Ferralium® 255是一种超级双相不锈钢,在冷加工和退火后供应。 作为一种含25%铬并添加了大量铜的合金,它在各类腐蚀性化学品中都具有出色的耐腐蚀性,包括硫酸、硝酸和磷酸。 在海水及其他含氯环境中,它还能有效耐点蚀和裂隙腐蚀,且临界点蚀温度超过50°C。它在环境温度和零下温度时都具有出色的延性和耐冲击强度,并能有效耐受磨蚀、侵蚀和气蚀。
Ferralium® 255具有多种产品形式,被NACE MR 0175列为适用于酸性环境的材料并被ASME批准用于压力容器应用。 通过专门设计的最高标准测试证实,我们的标志性产品具有高完整性和正确的相平衡,且没有Sigma相和其他有负面影响的相。
Cr | Ni | Mo | Co | Nb (+Ta) | Ti | V | W | Cu | C | Mn | N | Si | P | S | Fe | Al | |
Min | 24 | 4.5 | 2.9 | 1.5 | 0.1 | ||||||||||||
Max | 27 | 6.5 | 3.9 | 2 | 0.04 | 1.5 | 0.25 | 1 | 0.04 | 0.03 | Balance | 0.02 |
0.2% Proof Stress | 550 N/mm2 | 80 ksi |
Tensile Strength | 760 N/mm2 | 110 ksi |
Elongation, 5.65√S0 and 4D | 15% | |
Reduction of Area | ||
Hardness (Rockwell C) | 28 HRC max. |
– ASTM A999/A999M的静水压测试
– ASTM E213或ASTM E309的无损测试
– ASTM A999/A999M的压扁测试
Density (Kg/m3) | 7810 |
Magnetic Permeability (20°C) | 33 |
Young’s Modulus (kN/mm2) | 199 |
Specific Electrical Resistance, 20°C (Ω-m) | 0.80 x 10-6 |
Mean coefficient of thermal expansion, 20-100°C (m/m/degC) | 11.1 x 10-6 |
Specific Heat, 20°C (J/kg.K) | 475 |
Thermal conductivity, 20°C (W/m.K) | 14.2 |
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.