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Why the tempering temperature for class 12.9 is 380 oC?
The tempering temperature for class 12.9 fasteners (such as bolts and screws) is 380°C to achieve the desired combination of hardness and toughness in the material. This specific temperature helps to refine and balance the microstructure of the steel, improving its mechanical properties and performance under load. Deviating from this recommended tempering temperature can lead to suboptimal properties in the fasteners.
What is the hardness of 4140 Plate?
The hardness of 4140 plate typically ranges from 28 to 32 HRC (Rockwell C scale) when heat treated to achieve desired mechanical properties.
Can properties take arguments in c?
No, properties in C do not support arguments like functions do. Properties in C are usually implemented as getter and setter functions, which can modify or return the value of the property.
What layer contains the parent material?
The layer that contains the parent material is called the C horizon. This layer consists of weathered rock and unconsolidated material from which soil develops. It lies beneath the topsoil (A horizon) and subsoil (B horizon) and serves as a source of minerals and nutrients for the overlying soil layers. The characteristics of the C horizon can significantly influence the soil's properties and its ability to support plant life.
What equation is used to determine speed of light through material?
The equation used to determine the speed of light in a given material is v = c / n, where v is the speed of light in the material, c is the speed of light in a vacuum, and n is the refractive index of the material.
What has the author K C Lee written?
K C. Lee has written: 'Mechanical properties of synthetic fibres'
What AR the properties of zinc?
Properties of Zinc : Atomic number; 30 Atomic Mass; 65.37g.mol Melting Point; 420 C Boiling Point 907 C
5 properties of silicon are?
Thermal properties, 3. Wafer Flats. 4. Electrical properties, 4. Cleaving. - Resistivity & Mobility Calculator, 5. Silicon etching. 5. Mechanical properties
What temperature does ABS become flexible?
For the majority of applications, ABS can be used between −25 and 60 °C as its mechanical properties vary with temperature, at which it becomes flexible.
Why the tempering temperature for class 12.9 is 380 oC?
The tempering temperature for class 12.9 fasteners (such as bolts and screws) is 380°C to achieve the desired combination of hardness and toughness in the material. This specific temperature helps to refine and balance the microstructure of the steel, improving its mechanical properties and performance under load. Deviating from this recommended tempering temperature can lead to suboptimal properties in the fasteners.
What is the hardness of 4140 Plate?
The hardness of 4140 plate typically ranges from 28 to 32 HRC (Rockwell C scale) when heat treated to achieve desired mechanical properties.
Subjects for mechanical engineer?
Engineering drawing Heat and mass transfer Material science Som Dom Tom Mechanical Vibrations Ic engines Refrigeration NTM Welding technology Mechanics Engineering Math Physics C programming
What are properties in mathematics?
Properties of MathThe properties are associative, commutative, identity, and distributive. * * * * *There is also the transitive propertyIf a > b and b > c then a > c.
What are previous question papers of diploma in mechanical engineering c 00 batch?
Diploma in mechanical engg c-oo andhara pradesh
Can properties take arguments in c?
No, properties in C do not support arguments like functions do. Properties in C are usually implemented as getter and setter functions, which can modify or return the value of the property.
Properties of C-45 grade steel?
Per website: http://www.metalexpress.net/cgi-bin/index.pl?&ac=acDisCatList&material=Carbon%20Steel%20Cold%20Roll&mod=catalog&sid=85a115a0cb28078a833575d5fdbcd094Cold Roll Steel C1141C1141 is a medium-carbon steel with higher mechanical properties than other medium carbon steels, as well as free machining properties.Because of the free machining properties, it is usuallly used in automatic screw machines. Applications: pins, studs, bolts, axles and various machine parts needing considerable machining, close finish tolerances, bright finish, and high mechanical properties.Machinability rating is 70%, based on 1212 as 100%.
Is rectum chemical or mechanical?
both! C:
