What is the heat resistance of 253MA and the welding performance of F45?
In the field of industrial equipment, since each shape is different, welding processes are used when metal is formed. Among various types of metals, their respective welding processes and welding material selections are different.
253MA can be welded using traditional welding processes. Filler metal should be of similar composition for maximum weld integrity and performance.
253MA stainless steel material introduction:
253MA stainless steel is a high-nickel austenitic stainless steel, designed for applications requiring high creep strength and good corrosion resistance. In many cases, it has the same high-temperature properties as highly alloyed alloy steels and nickel-based alloys because of its chemical The composition balance enables the steel to have the most suitable comprehensive properties in the temperature range of 850℃-1100℃.
1. It has extremely high creep deformation resistance and creep rupture strength at high temperatures;
2. It has higher yield strength and tensile strength at high temperatures.
3. Excellent high temperature oxidation resistance (scale onset temperature is as high as 1150 degrees Celsius).
253MA stainless steel applications and characteristics:
Features of 253MA stainless steel: It has good resistance to high temperature corrosion and brush corrosion in most gas media, and has high strength at 900°C. In the air, it can be used up to 1150℃ under non-pressure conditions, and has excellent high temperature oxidation resistance. 3. The short-term tensile strength at each temperature is more than 20% higher than that of 18-8 stainless steel. 4. It has high temperature and long-term performance (creep performance, durability performance).
Its high heat resistance and high nickel characteristics make it widely used in combustion chamber accessories:
Typically suitable for:
1. Burner, boiler nozzle
2. Petrochemical and refinery pipe hangers
3. Heat exchanger
4. Expansion bellows
5. Stacking dampers
253MA stainless steel shape specifications:
⒈Cold drawn rod 6-14,
⒉Wire 0.5-30,
3.Rolled bars,
4.Hot-rolled plate: 3mm~40mm,
5. Forged bar (round steel)
6. Rolling and slitting of various types of plates
7. Custom forging of various types of forgings (welcome to inquire for details)
For zero cut materials, please call us for details.
Please call us for special needs. .
How to process 253MA stainless steel?
Good formability and weldability, and adequate machinability. The work hardening tendency of this alloy can be minimized under conditions of positive feed and low speed combined with large amounts of cutting fluid.
253MA stainless steel: The surface of the coiled fine wire delivery material is pickled white and bright. The forgings can be rough (rough turning), zero-cut can be water-cut, laser cutting, etc.
