50HRC Stainless Steel Hollow Bar Quenching

50HRC Stainless Steel Hollow Bar Quenching

Mechanical properties editing
● Mechanical properties: Hardness: Annealing, ≤201HB, indentation diameter 3.9 ～ 4.3mm; quenching, ≥50HRC
● Heat treatment specifications and metallographic structure:
Heat treatment specifications:

1) Annealing, slow cooling at 800 ～ 900 ℃ or quick cooling at about 750 ℃;

2) Quenching, oil cooling at 1050 ～ 1100 ℃
3) Tempering, quick cooling at 200 ～ 300 ℃.
Metallographic structure: The structure is characterized by martensite.

Similar Standards

Chemical Composition

Heat Treatment

​We have six subsidiaries located in Shanghai, Zhejiang, Jiangsu and Hongkong, which have built great relationship with the metal facilities abroad and at home, so as to provide excellent services for our clients.

We have own entire system for pre-sale, in-sale and after-sale process. And our business scope covers technical consultation, technology development, technology projects and technology service in the field of manufacturing and selling the special steel plate, super stainless steel, titanium and nickel alloys, chrome moly alloys, aluminum alloys products etc. All the materials can be provided with the shape of plate, bar, pipe, tube, wire, beams, flange, fittings etc. The business of our group was separated into four parts: precision machining of special metal, special metal selling in domestic market, special metal selling in global market, special metal supply chain derivative services(such as agent purchasing, agent selling, supply chain finance etc).
Providing quality products, excellent services, competitive prices and prompt delivery, we are looking forward to cooperating with clients all around the world.