HASTELLOY® C-2000® alloy (UNS N06200) is a highly corrosion-resistant nickel-chromium-molybdenum-tungsten alloy designed for use in extreme chemical environments. This article provides a detailed and rich introduction to HASTELLOY® C-2000® alloy, covering its chemical composition, mechanical properties, performance at different temperatures, industry applications, available shapes and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar products.
化学組成
要素
構成 （％）
ニッケル(Ni)
50.0 min
クロム(Cr)
22.0 – 24.0
モリブデン(Mo)
15.0～17.0
タングステン(W)
3.0～4.5
鉄(Fe)
最大2.0
コバルト(Co)
最大1.0
マンガン(Mn)
0最大.50
カーボン(C)
0最大.010
シリコン（Si）
0最大.08
リン(P)
0.025 max
硫黄(S)
0最大.010
機械的性質
財産
価値
引張強さ、ksi (MPa)
100 (690) min
降伏強さ (0.2% オフセット)、ksi (MPa)
45 (310) min
伸び (% 単位 2 インチ)
40分
硬度、ロックウェル C (HRC)
28 max
さまざまな温度でのパフォーマンス
HASTELLOY® C-2000® alloy exhibits excellent performance across varying temperature ranges:
室温：Exceptional resistance to a wide range of corrosive chemicals, including sulfuric acid, acetic acid, and hydrochloric acid.
高温:Maintains high strength and corrosion resistance up to 1800°F (980°C), making it suitable for high-temperature chemical processing.
低温:Retains ductility and toughness at cryogenic temperatures, ensuring reliability in extreme environments.
産業用途
HASTELLOY® C-2000® alloy is utilized in various industries due to its superior corrosion resistance:
産業部門
アプリケーション
化学処理
Reaction vessels, heat exchangers, and piping systems handling corrosive chemicals such as acids and chlorides.
オイルとガス
Equipment exposed to sour gas environments containing hydrogen sulfide and other corrosive gases.
医薬品
攻撃的な化学薬品に対する耐性が必要な医薬品処理装置。
紙パルプ
Components in bleach plants and digesters exposed to harsh chemical environments.
Superior resistance to a wide range of aggressive chemicals, high mechanical strength, and reliability in extreme environments.
短所
従来のステンレス鋼に比べてイニシャルコストが高く、特定の形状やサイズの入手可能性は限られています。
類似製品
商品名
比較
HASTELLOY C-276 (UNS N10276)
Higher molybdenum content and broader resistance to oxidizing and reducing environments compared to C-2000.
HASTELLOY B-3 (UNS N10675)
Enhanced thermal stability and resistance to reducing acids, suitable for more severe corrosive conditions than C-2000.
類似製品の比較
性質・特徴
Hastelloy C-2000
Hastelloy C-276
Hastelloy B-3
ニッケル含有量 (%)
50.0
57.0
65.0
モリブデン含有量 (%)
15.0～17.0
15.0～17.0
1.0 – 3.0
クロム含有量 (%)
22.0 – 24.0
14.5 – 16.5
1.5～3.0
引張強さ (ksi)
100 min
110分
100 min
降伏強さ (ksi)
45 min
52分
40分
耐食性
Excellent in oxidizing and reducing acids, including sulfuric, acetic, and hydrochloric acid.
強力な酸化剤や還元剤を含む幅広い腐食環境に優れています。
Excellent in reducing acids and severe corrosive conditions.
This comprehensive article provides a detailed introduction to HASTELLOY® C-2000® alloy (UNS N06200), encompassing its chemical composition, mechanical properties, performance in various environments, industry applications, available forms and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar alloys. The structured format using tables ensures clarity and accessibility of technical information, catering to engineers, manufacturers, and professionals seeking corrosion-resistant materials for demanding applications.
