耐蚀合金 Alloy C-276
UNS N10276
商品名： HASTELLOY C-276
C-276 合金是一种含钨的镍-铬-钼合金， 含有极低的硅和碳。 通常被认为是wan 的抗腐蚀合金。该合金具有以下特性：
C-276 is a kind of Nickel-Chromium-molybdenum alloy,including Wu, ex-low Si and C . It is generally regarded as all-proposed anticorrosive alloy. It has the following characteristics:
l 在氧化和还原状态下， 对大多数腐蚀介质具有优异的抗腐蚀性能。Under oxidation and reduction circumstances ,it has excellent anticorrosive property to most of corrosive media.
l 有出色的耐点蚀，缝隙腐蚀和应力开裂腐蚀性能。 Favorable resistance to pitting corrosion,slit corrosion and crack corrosion.
化学成分Chemical Composition ASTM/ASME UNS N10276
Ni | Mo | Cr | Fe | W | Co | Mn | V | C | Si | P | S |
余量 balance | 15.0～17.0 | 14.5～16.5 | 4.0～7.0 | 3.0～4.5 | ≤ 2.5 | ≤ 1.0 | ≤ 0.35 | ≤ 0.01 | ≤ 0.08 | ≤ 0.04 | ≤ 0.03 |
(注：C≤0.01 是进口的， 国产一般C≤0.02）
(Note: C≤0.01 is for importing products. We can only do with C≤0.02 )
常温机械性能Mechanical properties
抗拉强度 Tensile Strength Mpa | 0.2% 屈服强度 Yield Strength Mpa | 延伸率 Elogation A5% | 洛氏硬度Hardness HRB |
≥ 690 | ≥ 283 | ≥40 | ≤100 |
物理性能Physical properties
密度density：8.89 g/cm3 熔点melt point： 1325-1370 °C
应用范围Application
C276 合金在化工和石化领域得到广泛应用， 如含氯化物有机物的元件和催化系统中。该材料尤其适合在高温，混有杂质的恶无机酸和有机酸（如甲酸和乙酸），海水腐蚀环境中使用。
Alloy C-276 applies to chemical industries and petrifactions widely,such as components of chloride organics and catalytic system . This material specially used in high temperature ,impure inorganic acid and organic acid(formic acid and acetic acid) and seawater corrosion environment.
其他应用领域Other fields
l 纸浆和造纸工业，如煮解和漂白器 paper pulp and paper making industries, such as digestion and bleacher.
l FGD系统中的洗涤塔，在加热器，湿气风扇等 washer of FGD system,in heater,wet fan and so on
l 酸性气体环境中的设备和元件 facilities and components in acid environment
l 乙酸和酸性产品的反应器 reactor of acetic acid and acidic products
l H2SO4冷凝器 vitriol condenser
l 亚甲二苯异氰酸盐（MDI) Xlylene MDI
不纯磷酸的生产和加工 produce and process of impure phosphoric acid
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