Material No 1.1151 DIN CK22 Carbon Seamless Steel Pipe & Tube for structure

Chemical composition of CK22

Equivalent Of C22Carbon Steel

Heat treatment Related

Annealing of CK22 Carbon steel 

The heat treatment temperature / ℃ | annealing: 650-700, then Hold until the temperature is uniform

Cool in furnace. Hardness after annealing ≤HBS: 156

Hardening of CK22 Carbon steel 

• The heat treatment temperature / ℃ | normalizing: 880 to 910
• The heat treatment temperature / ℃ | quenching: 860 ~ 890 water
• The heat treatment temperature / ℃ | Tempering: 540 to 680
• After quenching and mechanical properties | σb≥ / MPa: 550 ~ 700
• After quenching and mechanical properties | σs≥ / MPa: 350
• Mechanical properties after quenching | δ5≥ / (%): 20
• Mechanical properties after quenching | ψ≥ / (%): 50
• After quenching and mechanical properties | AKV≥ / J: 55
• Steel Dimensions / mm: ≤16

Forged of CK22 mild Carbon steel 

•  Thermal processing temperature / ℃: 1100 ~ 900

Mechanical Properties of DIN CK22 steel 

The mechanical properties of annealed DIN CK22 carbon steel are outlined in the table below

• Tensile strength σb (MPa): ≥600 (61)
• Yield strength σs (MPa): ≥355 (36)
• Elongation δ5 (%): ≥16
• Reduction of area ψ (%): ≥40
• Impact energy Akv (J): ≥39
• Impact toughness αkv (J / cm2): ≥49 (5)
• Hardness: no heat treatment, ≤229HB; annealed steel, ≤197HB
• Sample size: Sample size is 25mm

Applications of mild carbon steel  CK22

DIN CK22 steel is widely used for all industrial applications requiring more wear resistance and strength. Typical applications as Gears   Pins   Rams

Shafts Rolls  Sockets Axles Spindles   Worms Bolts   Ratchets   Light gears Studs   Crankshafts   Guide rods Connecting rods  Torsion bars, Hydraulic clamps

Regular size and Tolerance of mild carbon 1.1151 flat steel bar

Steel round bar: Diameter Ø 5mm – 3000mm

Steel plate/ steel flat bar: Thickness 5mm – 3000mm x Width 100mm – 3500mm

Steel Hexagonal bar: Hex 5mm – 105mm

Others 1.1151 steel have not specified size, pls contact our experienced sales team.