HASTELLOY® G-30® alloy (UNS N06030) is a highly corrosion-resistant nickel-base alloy designed for use in severe environments involving strong oxidizing agents. This article provides a comprehensive introduction to HASTELLOY® G-30® alloy, covering its chemical composition, mechanical properties, performance across different temperatures, industry applications, available shapes and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar products.
化學成分
元素
作品 (%)
鎳 (Ni)
46.0 – 49.0
鉻 (Cr)
29.0 – 31.5
鐵 (Fe)
14.0 – 17.0
鉬(Mo)
4.0 – 6.0
鈷 (Co)
最大2.5
鎢 (W)
1.5 – 4.0
錳(Mn)
最大1.0
矽(Si)
最大1.0
碳(C)
0最大.03
磷(P)
0最大.04
硫(S)
0最大.02
機械性質
財產
價值
拉伸強度,ksi (MPa)
100 (690) 分鐘
屈服強度(0.2% 偏移),ksi (MPa)
45(310)分鐘
伸長率(2 英吋中的%)
40分鐘
硬度,洛氏 C (HRC)
最多 28 個
不同溫度下的性能
HASTELLOY® G-30® alloy exhibits excellent performance across varying temperature ranges:
室內溫度:Superior resistance to a wide range of oxidizing and reducing environments, including sulfuric acid, phosphoric acid, and nitric acid.
溫度升高:Maintains high strength and corrosion resistance up to 1800°F (980°C), suitable for applications in chemical processing and pollution control equipment.
低溫:Retains ductility and toughness at cryogenic temperatures, ensuring reliability in extreme conditions.
產業應用
HASTELLOY® G-30® alloy is utilized in various industries due to its exceptional corrosion resistance:
工業部門
應用領域
化學加工
Reactors, heat exchangers, and piping systems handling aggressive chemicals such as acids, chlorides, and fluoride solutions.
Pollution Control
Scrubbers, stack liners, and ducts exposed to corrosive gases and acidic environments.
製藥
Pharmaceutical processing equipment requiring resistance to harsh chemicals and sterilization solutions.
紙漿和造紙
Equipment for bleach plants, digesters, and evaporators exposed to corrosive media.
形狀、尺寸和生產標準
產品形態
可用形狀
可供選擇的尺寸
生產標準
板材/板材
板材、片材
厚度:0.025 英吋 – 1.000 英吋(0.64 毫米 – 25.4 毫米)
ASTM B582
酒吧
圓棒、六角棒
直徑:0.25 英吋 – 6.0 英吋(6.35 毫米 – 152.4 毫米)
ASTM B582
管材/管道
無縫管、焊管
外徑:0.5吋 – 6.0吋(12.7毫米 – 152.4毫米)
ASTM B619、ASTM B622
標準及對應等級
國家/地區
標準/等級
美國
UNS N06030
歐洲
2.4603
德國
NiCr30W16Cu
法國
NC30FeDU
焊接、加工、拋光、熱處理
過程
細節
焊接
使用 TIG、MIG 方法具有出色的焊接性,確保在腐蝕環境下接頭牢固可靠。
加工
可使用傳統方法進行加工,提供製造流程的靈活性。
拋光
能夠實現光滑的表面,增強耐腐蝕性和美觀性。
熱處理
在 2050°F (1121°C) 下退火,然後快速淬火可優化材料特性和性能。
冷加工的優點和缺點
方面
細節
冷加工
在室溫下保持延展性和成型性,有利於成型和製造。
優點
Excellent resistance to a wide range of aggressive chemicals, high mechanical strength, and reliability in extreme environments.
缺點
與傳統不銹鋼相比,初始成本較高,特定形狀和尺寸的可用性有限。
類似產品
產品名稱
比較
哈氏合金 C-276 (UNS N10276)
Higher molybdenum content and broader resistance to oxidizing and reducing environments compared to G-30® alloy.
哈氏合金 C-22 (UNS N06022)
Higher chromium content and resistance to oxidizing and reducing acids, including wet chlorine and ferric and cupric chlorides.
同類產品比較
屬性/特徵
Hastelloy G-30®
哈氏合金C-276
哈氏合金C-22
鎳含量(%)
46.0 – 49.0
57.0
56.0
鉬含量(%)
4.0 – 6.0
15.0 – 17.0
12.5 – 14.5
鉻含量(%)
29.0 – 31.5
14.5 – 16.5
20.0 – 22.5
拉伸強度 (ksi)
100分鐘
110 分鐘
115 分鐘
屈服強度 (ksi)
45分鐘
52分鐘
55分鐘
耐腐蝕性能
Excellent in oxidizing and reducing acids, including sulfuric, phosphoric, and nitric acid.
在各種腐蝕環境中表現出色,包括強氧化劑和還原劑。
Excellent in oxidizing and reducing acids, including wet chlorine and ferric and cupric chlorides.
This detailed article serves as an in-depth introduction to HASTELLOY® G-30® alloy (UNS N06030), providing essential information on its composition, mechanical properties, performance characteristics, applications across various industries, available forms and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar alloys. The structured presentation using tables ensures clarity and accessibility of technical details, catering to professionals seeking reliable corrosion-resistant materials for demanding environments.