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Quick Details

  • Steel Grade: 1020/ C22 (Ck22) /070M20
  • Standard: AISI, ASTM, BS, DIN, GB, JIS
  • Dimensions: Dia less than 90mm
  • Place of Origin: Shanghai, China (Mainland)
  • Brand Name: Unite Steel
  • Model Number: Surface: Black/Cold Drawn
  • Technique: Cold Drawn
  • Application: Structural Steel Bar
  • Alloy Or Not: Non-alloy
  • Type: Carbon Steel Bar
  • Process: EAF/LD+LF+VOD+Rolled+Cold Drawn
  • Ultrasonic test: according to SEP 1921-84

Packaging & Delivery

Packaging Details Seaworthy Package
Delivery Time Within 10 - 45 days after confirmed

1020/ C22 (Ck22) /070M20


Plain carbon steel for mechanical engineering and automotive components.

It is usually supplied untreated but can be supplied to order in the normalized or finally heat treated (quenched and tempered to "Q" or "R" properties), which is adequate for a wide range of applications.

It is a very popular grade of through-hardening medium carbon steel, which is readily machinable in any condition. It is suitable for the manufacture of parts such as general-purpose axles and shafts, gears, bolts and studs. It can be further surface-hardened typically to 50-55 HRC by induction processes, producing components with enhanced wear resistance.

In its heat treated forms possesses good homogenous metallurgical structures, giving consistent machining properties.



European:     1020/ C22 (Ck22) /070M20,

Germany       W.Nr 1.0402 C22

                        W.Nr 1.1151 CK22

Great Britain:  BS970 - Part 3 - 1991 070M20
                          BS970 - 1955 EN3B           

  USA:              AISI C1020
                        ASTM A29/A29M - 91 1020
                        SAE 1020
                       UNS G 10200

Japan:         JIS G 4051 S20C


Chemical Composition(%):

Carbon        0.15-0.25 

Silicon        0.17-0.37

Manganese    0.30-0.90 

Phosphorus    0.04 max

Sulphur       0.04 max

Chrome       0.30 max




Dia 2-120mm

Length:2000-12000mm or as required



Cold Drawn, Tolerance from H9 to H11



Certificate of Quality: issued in English, in addition the normal terms, production process, the mechanical property yield strength, tensile strength, elongation and hardness, forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality.


Packing: Plastic reel shaft, and bound, iron wire frame, the paper barrel etc




Skype: erichuang20111


Delivery: products in stock can be prepared within 5 days after you make your order. Products as your order can be finished within 15 days less than 500 tons. If you have specific requirements can be finished within 7 days less than 500 tons.


Marking: Heat No. will be cold stamped and Steel grade, diameter mm, length mm, and  the manufacturer LOGO and weight kg is painted




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