253MA Stainless Steel Plate Laser Cutting SS Plate S30815 Alloy Thickness 4.0mm

Parameters2

• Chemical Composition (wt%): Usually contains about 0.05 - 0.10% carbon (C), ≤2.0% manganese (Mn), 1.4 - 2.0% silicon (Si), ≤0.040% phosphorus (P), ≤0.030% sulfur (S), 20.0 - 22.0% chromium (Cr), 10.5 - 12.5% nickel (Ni), 0.15 - 0.30% nitrogen (N), and a small amount of rare - earth elements such as cerium (Ce).
• Mechanical Properties: Tensile strength is at least 600 MPa, yield strength (0.2% offset) is at least 310 MPa, elongation is at least 40%, and hardness is at most 95 HRB or 217 HB.
• Physical Properties: Density is about 7800 kg/m³, elastic modulus is about 200 GPa, and the mean coefficient of thermal expansion is about 17.0×10⁻⁶ mm/m/°C (0 - 100°C).

Standards

• In ASTM standards, it is specified in ASTM A240/A240M, with the grade designation of UNS S30815.
• In European standards, it is specified in EN 10095, with the grade of 1.4835.

Equivalent Grades

• UNS S30815 (USA)
• EN 1.4835 (European Union)
• X9CrNiSiCeN21 - 11 - 2 (Germany, similar)

Applications3

• Energy Field: In the power industry, it is used to manufacture high - temperature superheaters, reheaters, etc. In waste - to - energy plants, it can be used to make furnace tubes and heating surfaces of incinerators. In the petrochemical industry, it is used to manufacture reactors, heating furnace tubes, and cracking furnace tubes.
• Industrial Furnace Field: It is applied to manufacture furnace linings, furnace pots, and heating element supports of heat - treatment furnaces, as well as electrode supports and discharge port components of glass furnaces.
• Food and Beverage Industry: It is widely used in manufacturing food conveyor belts, mixing tanks, storage containers, and sterilization equipment, as well as tanks, pipes, and valves in beverage production equipment.
• Architectural Decoration Field: It can be made into decorative plates for building facades, and can also be used to manufacture high - end decorative parts such as stair handrails, elevator cars, and decorative lines indoors.

Laser Cutting of 253MA Stainless Steel Plate

• Processing Range4: Generally suitable for plates with a thickness of ≤20mm. For example, a 4000W fiber laser can be used, with the focal position controlled at 1/3 of the plate thickness, and 99.99% high - purity nitrogen is selected as the assist gas, and the pressure is set at 12 - 15Bar.
• Advantages Compared with Other Cutting Methods
  • High Precision: Laser cutting can achieve a narrow kerf, usually 0.1 - 0.3mm, with high cutting accuracy, and the tolerance can be controlled within ±0.05mm, which can meet the processing requirements of complex shapes and precise parts.
  • Small Heat - Affected Zone: Compared with traditional cutting methods such as plasma cutting, laser cutting has a smaller heat - affected zone, which can minimize the impact on the mechanical properties and corrosion resistance of 253MA stainless steel, and is not easy to cause material deformation.
  • Good Edge Quality: It can obtain clean and burr - free cutting edges, reducing the post - processing procedures such as grinding, saving processing time and cost.
  • High Efficiency: For thin - to medium - thickness 253MA stainless steel plates, the laser cutting speed is faster than some mechanical cutting methods, which can improve production efficiency.
  • Strong Versatility: It can cut plates of different sizes, and can easily cut various holes, slots and custom profiles without the problem of tool wear, and has strong adaptability to different processing requirements.