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What are the reasons that stainless steel and carbon steel cannot come into contact?
Stainless steel and carbon steel cannot be used in direct contact, which is a crucial principle in materials science and engineering practice. Mainly due to the occurrence of "galvanic corrosion", also commonly referred to as "galvanic corrosion" or "heterogeneous metal ...Read more -
Comparision between Standards GB/T 6728, ASTM A500 and EN10219 on Square and Rectangular Steel Pipes
Square and rectangular hollow section usage Square tube is the mainstream and key material for photovoltaic support systems due to its excellent structural performance and cost-effectiveness. Youfa brand square carbon steel pipes are widely used i...Read more -
Which Exhibitions Will Youfa Attend in November 2025 ?
1. UAE ADIPEC 2025 Time: 3-6 November 2025 Location: Abu Dhabi National Exhibitions Centre，Abu Dhabi，UAE Booth No.: 16355 Hot sale products: Carbon steel welded pipes, galvanized pipes, square and rectangular pipes, stainless pipes and stainless pipe fittings. 2. UAE THE BIG 5 Global Date: 24-...Read more -
Youfa Group once again ranks among the top 100 enterprises in Tianjin
Recently, the "2025 Tianjin Top 100 Enterprises Press Conference" hosted by the Tianjin Enterprise Confederation and Tianjin Enterprise Association was grandly held. Youfa Group once again listed on the top 100 Tianjin enterprises with ranking 15th, and also entered the 7th place of the "2025 Tia...Read more -
Youfa Group has been listed in the Top 500 Chinese Enterprises for 20 consecutive years
On 14th September, the list of China's top 500 enterprises was released, and Youfa Group ranked 451st. This is the 20th consecutive year that Youfa Group has been ranked among the Top 500 enterprises in China.Read more -
Building a security line together, Youfa Group made its debut at the China Fire Expo 2025, attracting attention
From September 3rd to 5th, China Fire Expo 2025 was held in Hangzhou International Expo Center. Hong Juping, president of Zhejiang Fire Protection Association, Li Zhenming, president of Zhejiang Safety Engineering Society, Liang Ming, president of Heilongjiang Fire Prote...Read more -
“Cooperation for Development, Profession for the Future” Youfa Group Huaming Pipe Industry Northeast of China Partner Conference was successfully held
On 7th September, the partner meeting of Youfa Group Huaming Pipe Industry in Northeast China was held in Panshi, Jilin. Li Maojin, Chairman of Youfa Group, Chen Guangling, General Manager, Jin Donghu, Secretary of the Party Committee, Zhang Shenggen, Vice President of J...Read more -
Which Exhibitions Will Youfa Attend in October 2025 ?
1. Peru EXCON 2025 Time: 9-12 October, 2025 Location: Centro de Exposiciones Jockey, Av. J. prado Este Nro. 4200 Santiago de Surco Lima Booth No.: 37 Hot sale products: Carbon steel welded pipes and scaffoldings. 2. Qatar THE BIG 5 CONSTRUCT QATAR Date: 12-14 OCTOBER DOHA EXHIBITION&CONVENT...Read more -
In 2025, “Top 500 Private Enterprises in China” was released
On 28th August, the All-China Federation of Industry and Commerce announced the list of the top 500 private enterprises in China in 2025, and Youfa Group ranked 224th with an operating income of 54.8 billion yuan, which was the 20th consecutive year that Youfa Group rank...Read more -
Classification of Stainless Steel
Stainless steel can be roughly classified according to its purpose, chemical composition, and metallographic structure. Developing steel grades for various purposes based on the basic composition of 18% chromium and 8% nickel in the austenitic system, with different vari...Read more -
Is stainless steel guaranteed to not rust?
Under what conditions is decorative stainless steel prone to rusting? After bending, twisting, and folding, stainless steel is prone to pitting corrosion and rusting due to the occurrence of dislocation outcrops (i.e., the internal intergranular structure is d...Read more -
Tube schedule 40 From Tianjin Youfa
Tube Schedule 40 is a common wall thickness standard for pipelines, belonging to the size system of ANSI/ASME B36.10 (carbon steel pipe) or B36.19 (stainless steel pipe). The "Schedule" here represents the wall thickness grade of the pipeline, and Schedule 40 (abbreviate...Read more