UNI C 46 Structural and constructional steels
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UNI C 46 Chemical Composition
UNI 7065: 1972 / Cold rolled flat finished unalloyed steel products. Strips with carbon content between 0.10 and 0.60%
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UNI C 46 Physical Properties
Temperature
This material has 380 properties — only a subset is shown here.
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UNI C 46 Heat Treatments
- Material is normally supplied in the annealed or normalised condition. The values shown in the mechanical properties table apply to the following conditions: TC: Annealed. TD: Normalised. TF: Hardened and tempered. Spheroidised: Spheroidise annealed. Annealed: Annealed to obtain a structure with a controlled hardness. Heat treated: Normalised or hardened and tempered followed by surface hardening followed by stress relieving at 140 to 180°C for one hour (to achieve the minimum surface hardness value specified after flame or induction hardening followed by stress relieving). Anneal at 650 - 700°C. Normalise at 840 - 860°C. Harden from 820 - 860°C and temper at 550 - 660°C for at least 1 hour.
- Material is normally supplied in the hot rolled condition but, subject to agreement, may be supplied in one of the following conditions: Soft Annealed (SA) to a maximum hardness by annealing at 650 - 700°C. Spheroidise Annealed (Spheroidised). Annealed to obtain a ferritic/pearlite structure (Annealed). Normalized at 840 - 870°C. Hardened and Tempered (H+T). The H+T values shown in the mechanical properties table are obtained from a test piece hardened by water quenching from 820 - 840°C followed by tempering at 550 - 650°C for at least 1 hour. The temperature of the water must be between 15 - 30°C. The Rockwell C Scale hardness minimum value (Heat Treated condition) shown in the mechanical properties table is the surface hardness which must be obtained whether material is in the normalised condition and subsequently surface hardened or whether the material is in the hardened and tempered condition and subsequently surface hardened; Both treatments are followed by tempering at 140-180°C for approximately 1 hour.
UNI C 46 Mechanical Properties
Temperature
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UNI C 46 International Equivalent Materials
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Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.
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- 208Cross References
- 15Composition
- 27Mechanical Properties
- 3Physical Properties
- 6Heat Treatment
- -Metallography
- -Machinability
- -Stress-Strain
- -Formability
- -Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- -Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 121Total Suppliers