Superalloy seamless tube and preparation method thereof

US12000032B2 · kind B2 · utility

Assignee

• JIANGSU UNIVERSITY · CN

Inventors

• Rui Luo · Shanghai, CN
• Zhizhong Yuan · 安丰镇, CN
• Xiaonong Cheng · 安丰镇, CN
• Pei-Jyuan Gao · Tainan, TW
• Leli Chen · Zhenjiang, CN
• Tian Liu · 安丰镇, CN

Key dates

• Filing date: Jun 4, 2020
• Grant date: Jun 4, 2024
• Expiry date: Feb 5, 2042

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C22C30/00
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A superalloy seamless pipe and a preparation method thereof are provided. The superalloy seamless pipe comprises the following components in percentages by weight: C: 0.01-0.06%, Si: 0.40-1.00%, Mn: 0.30-1.00%, P≤0.025%, S≤0.020%, Cr: 15.00-17.00%, Ni: 44.00-46.00%, Al: 2.90-3.90%, Ce: 0.01-0.03%, Ti: 0.10-0.30%, N: 0.03-0.08%, and the balance of Fe and inevitable impurities.