Product

China C35 Carbon steel

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China C35 Carbon steel is a carbon steel grade of steel. It has high tensile strength and hardness. C35 carbon steel grade products are round bar, forged bars, square bars, hex bars, bright bars, sheets and plates, flat bars, ibeam, channels and angles. C35 round bar of carbon steel properties are varied by applying heat treatments.

Reference standard

  • EN 10277-2: 2008 Bright steel products. Technical delivery conditions. Steels for general engineering purposes
  • EN 10083-2: 2006 Steels for quenching and tempering. Technical delivery conditions for non alloy steels
  • EN 10250-2: 2000 Open steel die forgings for general engineering purposes. Non-alloy quality and special steels

Application

Carbon steel under EN 10083-2 C35 standard is widely used in construction and engineering structure. C35 steel can be made for steel rod or workshop frame, ultrahigh -tension transmission tower, bridge, vehicles, boiler, container, ships etc.

Chemical composition

C Mn Ni P S Cr Cu
0.17-0.24 0.7-1.0 max 0.25 max 0.035 max 0.035 max 0.25 max 0.25

Equivalent Grades

EU Germany USA Russia Japan China Inter
EN DIN,WNr   GOST JIS GB ISO
C35 1.0501 1035

Gr.1035

30KH3MF S35C 35 C35

C35E4

Size Tolerance

Surface Finish Size Tolerance Length
Black For Forged condition (0,+5 mm) Multiple Length/Fixed Length
Black For Rolled condition (0,+1mm)
Rough Turned (0,+3mm)

Mechanical properties

  • Tensile Strength:min 500 N/mm2
  • Yield Strength:min. 350 N/mm2
  • Elongation:min.11 %(l)
  • Kv-Imapct value:min.55J (l)

Heat Treatment Conditions

  • +A   Soft annealed/Soft annealing
  • +N   Normalized/Normalizing
  • +QT  Quenched and Tempered
  • +U   Untreated
  • +SR  Stress Relieved

Normalizing:840℃-900℃,Cool in air

Soft Annealing:650℃-700℃,Cool slowly

Hardening:870 – 990°C,oil or polymer,840-850°C,water

Tempering:550°C – 660°C, cool in still air

Drawn and hot-rolled bars, flat bars C35, 1.0501

Forgings and forged bars in grade C35, 1.0501

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