Hastelloy C-276合金概述 点击进入阿里巴巴店铺
Hastelloy C-276合金是一种含钨的镍铬钼合金,极低的硅碳含量,被认为是万能的抗腐蚀合金。主要耐湿氯、各种氧化性氯化物、氯化盐溶液、硫酸与氧化性盐,在低温与中温盐酸中均有很好的耐蚀性能。汉锴主要供应板材,棒材,带材,无缝管,法兰,锻件等。
Hastelloy C-276应用概况
Hastelloy C-276合金广泛应用于苛刻的腐蚀环境中,如化工、石油化工、烟气脱硫、纸浆和造纸、环保等工业领域。合金在氧化和还原两氛围状态中,对大多数腐蚀介质具有优异的耐腐蚀性能。有出色的耐点蚀、缝隙腐蚀和应力腐蚀性能。
C系列:C→Hastelloy C-276(00Cr16Mo16W4)→Hastelloy C-4(00Cr16Mo16)→Hastelloy C-22(00Cr22Mo13W3)→Hastelloy C-2000(00Cr20Mo16)
Hastelloy C-276相近牌号
UNS N10276(美),2.4819NiMo16Cr15W(德),NS3304 NS334(中),NC17D(法),NiMo16Cr15Fe6W4 (ISO)
Hastelloy C-276化学成分
哈氏合金 Hastelloy C-276化学成分 | ||||||
元素 | C | Cr | Ni | Fe | Mo | W |
质量分数/% | ≤0.01 | 14.5-16.5 | 余量 | 4.0-7.0 | 15.0~17.0 | 3.0~4.5 |
元素 | Co | Si | Mn | S | P | V |
质量分数/% | ≤2.5 | ≤0.08 | ≤1.00 | ≤0.01 | ≤0.02 | ≤0.3 |
Hastelloy C-276合金标准
哈氏合金 Hastelloy C-276执行标准 | ||||||
标准 | 板材 | 棒材 | 无缝管 | 焊接管 | 管件 | 锻件 |
ASTM | B575 | B574 | B622 | B619/B626 | B366 | B564 |
ASME | SB575 | SB574 | SB622 | SB619/SB626 | SB366 | SB564 |
Hastelloy C-276物理性能
哈氏合金 Hastelloy C-276物理性能 | |||||||
密度 | 熔化温度范围 | 热导率 | 弹性模量 | 比热容 | 电阻率 | 线膨胀系数 | |
g/cm3 | ℃ | λ/(W/m•℃) | GPa | J/kg•℃ | μΩ•m | a/10-6℃-1 | |
8.9 | 1325-1370 | 11.6(100℃) | 208 | 426 | 1.25 | 12.4(20~100℃) |
Hastelloy C-276机械性能
哈氏合金 Hastelloy C-276机械性能 | |||||
品种 | 规格 | 抗拉强度MPa | 屈服强度MPa | 延伸率A % | 布氏硬度HB |
板材 | <5mm | ≥730 | ≥310 | ≥30 | ≤240 |
5-25mm | ≥700 | ≥280 | ≥25 | ≤240 | |
带材 | 0.1-3mm | ≥730 | ≥310 | ≥30 | ≤240 |
棒材 | ≤100mm | ≥730 | ≥280 | ≥30 | ≤240 |
Characteristics of Hastelloy C-276
Extraordinary resistance across a wide range of corrosive, watery media; in particular oxidizing and reducing acids;
Particularly high resistance against chloride-induced crevice, pitting and stress corrosion
Typical applications of Hastelloy C-276
1.Paper and pulp industry, e.g. for digestion and bleaching tanks
2.Washers, agitators and wet ventilators in flue gas desulfurization systems
3. Equipment and components for acid gas applications
4.Reactors for acetic acid production
5. Sulfuric acid coolers
6. Methylene diphenyl isocyanate
7.Manufacturing and processing of contaminated phosphoric acid
8. Substrates for high temperature superconductors