To convert Asker C hardness to Shore A hardness, you can use a conversion table or formula, as there is no direct mathematical relationship between the two scales. Generally, an approximate conversion is that Asker C hardness values of around 60-70 correspond to Shore A values of approximately 75-90. However, for precise applications, it's best to refer to specific conversion charts or conduct comparative testing, as variations can occur depending on the material.
I understand that Asker C is a measurement of hardness for soft rubber. Its also based on a JIS K7312 standard. But How can I compare how this method of measurement correspond to ASTM D2240 Shore A standard ? i.e. If a material is Asker C 30points, how many is it on a Shore A point system?
Shore hardness 60 deg C corresponds to approximately Shore D 75 on the Shore hardness scale.
To convert Shore scale C to Rockwell scale C, there is no direct formula as they measure hardness differently. Shore scale C measures indentation hardness while Rockwell scale C measures depth of penetration. These two scales cannot be directly converted into one another.
You can't. It's a different test method.
Usually EVA sponge foam is measured in degrees of hardness using an Asker C gauge. There are two ways to measure the hardness, with skin on, if the EVA has been moulded or skin off if the EVA is not moulded and the surface does not have a skin, i.e it has been scoured. The difference, usually, between skin on and skin off measurement is about 10 degrees, the skin off being the lower measurement.
I need to know the hardness for c - 45 steel.
The Rockwell C Hardness for a grade 10.9 fastener is 32 - 39HRC or 320 - 380Hv10
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The Rockwell C Hardness system uses "HRC" as a measure of hardness for various materials. A hardness of 68 HRC is extremely high and will most likely be harder than simple steel.
To convert Rockwell C (HRC) to Vickers hardness (HV), you can use an approximate conversion formula. A hardness of 40 HRC typically translates to around 400-450 HV. However, the exact value may vary depending on the specific material and its microstructure. For precise applications, it's best to consult a detailed conversion chart or conduct direct measurements.
C. Hardness. Galena has a low hardness level, which causes it to break into tiny pieces rather than deform.