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SS 204CU COIL / SHEET

Home STAINLESS STEEL SS 204CU COIL / SHEET

STAINLESS STEEL 204CU (UNS 20430) / EN 1.4597

Stainless Steel 204Cu Coil / Sheet / Strips


SS 204CU Stainless Steel UNS S20430

EN 1.4597 / AISI 204 CU

 

Stainless Steel 204CU is a chromium-magnesium austenitic stainless steel with an addition of 2-4% copper and nitrogen of 0.05-0.25%. Due to the addition of copper the alloy has better formability than 201 and 304. The copper improves corrosion and resistance to stress corrosion cracking in certain media. 204CU bridges the cost-property gap between 200 and 300 series stainless. Alloy 204CU is slightly after cold working but can be minimized.

J204Cu is a chrome-manganese stainless steel belonging to 200 series of austenite stainless steel family with moderate amounts of nickel, copper and nitrogen. J204Cu is a new alloy that bridges the cost / property gap between 200 and 300 series stainless steel. It has better formability than J201 and 304 due to Cu addition which lowered the work hardening rate to provide cold working properties superior to 200 series stainless steel and similar to type 304. Copper improves corrosion resistance and stress corrosion cracking resistance in certain media. Nitrogen increases strength and pitting resistance of stainless steel. Manganese as austenite former replaces a part of nickel and has beneficial effect on weldability. Consequently J204Cu has a higher annealed strength, similar corrosion resistance in a variety of mild corrosive media and similar formability & weldability in comparison with 304. It can replace Type 304 in numerous applications where higher strength, high formability and lower cost are required.

SS 204Cu is Available in Coil, Sheet and Strips

Hot Rolled Plates & Coil, Cold Rolled Coil & Sheets

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Stock Inventory :

  • Thickness - 0.50 mm to 0.80 mm
  • Width - 1250 mm
  • Form - Coil

 

Chemical Composition / Chemistry of SS202Cu Stainless Steel / SS 204cu chemical composition:

Grades %C %Si %Mn %P %S %Cr %Ni %Cu %N
204Cu Min     6.50     16.00 1.50 2.00 0.10
Max 0.10 0.75 9.00 0.060 0.010 17.50 3.50 4.00 0.25

 

 

Mechanical Properties : 

Grade Tensile Strength (MPA) Yield Strength(MPA) %Elongation Hardness (HRB)
204 Cu 620 Min. 310 Min. 40 Min. 100 Max.

 

 

Equivalent :

Euronorm Nom. AISI / ASTM / UNS
1.4597 X8CrMnCuNB17-8-3 204Cu

 

 

Applications:

As an effective cost alternative to type 201/304, J204Cu finds a wide range of applications. The major areas are:

  • Catering and food process: Deep drawn kitchenware , utensils, cookware , industrial kitchen equipment , flasks , milk cans , Ice and water dispensers , water filters ,domestic and commercial refrigerator outer body parts
  • Consumer durables: Sinks, Toasters, microwave ovens outer body parts, Baking ovens, Thermo wares, washing machines outer body parts, mobile case /parts 2
  • Architecture, Building and construction: Handrails for staircase, elevators, escalators, internal panels, Door window frames, thermal window spacers
  • Transport (Automotive): Automotive hose clamps, safety belt anchors, truck and bus frames

 

 

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