S20C steel bar stockholders and suppliers from china. OTAI SPECIAL STEEL Supply in S20C steel round bar, plate, sheet, square bar, flat bar, pipe since 2007.we have a lots s20c steel stock.

S20C flat Steel bar is a high quality Quenched and Tempered Carbon Structural steel, It belong to the high quality low carbon, Low carbon chromium, molybdenum, nickel case hardening steel.  JIS S20C steel Annealing delivery hardness less than 250HB.S20C With a mild carbon content range.

Related Specifications ASTM A29/A29M DIN EN 10083/3 JIS G4053 GB China steel standard

Form of Supply

JIS S20C mild Carbon steel, we can supply the round bar, steel flat bar, plate, hexagonal steel bar and steel square block. JIS S20C steel Round bar can be sawn to your required lengths as one offs or multiple cut pieces. S20C steel Rectangular pieces can be sawn from flat bar or plate to your specific sizes. Ground tool steel bar can be supplied, proviJISg a quality precision finished bar to tight tolerances

Chemical composition of JIS S20C steel

C(％) 0.17～0.24 Si(％) 0.40 max Mn(％) 0.40～0.70 P(％) 0.035 max
S(％) 0.0350 max   Cr(%) 0.40 max Mo(%) 0.10 max Ni(%) 0.40 max

Equivalent Of S20C Carbon Steel | flat steel bar

USA Germany China Japan France England Italy Poland ISO Austria Sweden Spain
ASTM/AISI/UNS/SAE DIN W N-r GB JIS AFNOR BS UNI PN ISO ONORM SS UNE
1020/ G10200 C22E/Ck22/S20C 20 S20C  C22E /  XC18   C22E/  070M20  1435

Heat treatment Related

  • Annealing of S20C Carbon structural steel flat bar

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

Cool in furnace. Hardness after annealing ≤HBS: 156

  • Hardening of S20C Carbon structural steel flat bar

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 | AKV①≥ / J: 55

Steel Dimensions / mm: ≤16

  • Forged of S20C mild Carbon structural steel bar

Thermal processing temperature / ℃: 1100 ~ 900

Mechanical Properties of JIS S20C flat steel bar

The mechanical properties of annealed JIS S20C 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 flat steel bar S20C

JIS S20C steel flat bar 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 S20C 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 S20C steel have not specified size, pls contact our experienced sales team.

Processing

S20C carbon steel round bar and flat sections material can be cut to your required sizes. S20C carbon steel ground bar can also be supplied, proviJISg a high quality tool steel precision ground tool steel bar to your required tolerances. JIS S20C steel is also available as Ground Flat Stock / Gauge Plate, in standard and nonstandard sizes.

Contact our experienced sales team to help you with your S20C carbon steel questions and enquiry by Email or Telephone. The questions will be reply in 24 hours.

OTAI SPECIAL STEEL CO., LTD

Email: jack@otaisteel.com   TEL: 0086-769-33232622   FAX: 0086-769-88705839