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high ruptured capacity
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∙ 11y ago
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What is the carbon equivalent of a grade 8.8 bolt?
Whoever wrote 58-62 HRC here originally was wrong. My thoughts and prayers are with the five people who found that useful. For 4140 steel (most commonly used for this grade), the hardness range would be 33-39 HRC. This puts it comfortably above the 150,000 psi min. tensile strength.
What is chemical composition of OHNS steels?
oil hardened non shrinking stell carbon0.9-1.3% cromium 0.5% tungsten 0.4-0.8% its an alloy steel mainly used for forming dies,its hardened upto 50to 55 hrc
What is a high rupturing capacity or HRC fuse?
The main advantage offered by an HRC fuse is that, when a fault current condition occurs, a tremendous amount of heat is created within the fuse. That heat melts the silica sand filling of the fuse into glass. Glass, being an insulator, suppresses any arc-over and breaks the circuit instantaneously. This behavior minimizes the possibility of a continuing - and dangerous - "high arc current" situation from developing, which is what happens if a normal fuse fails to break a heavy fault current. Compared to normal, "non-HRC" fuses, the main disadvantage of using an HRC fuse is that they cost a lot more to make - and to buy - because of the extra materials they contain. But choosing to use an HRC fuse instead of a normal fuse makes very good sense if the equipment that needs to be protected - or other equipment nearby - would be very expensive to replace if it all went up in smoke just because of a fuse which was not capable of stopping a high fault current flowing. So, if some expensive electrical equipment was supplied with one or more HRC fuses installed to protect it, you would be very foolish indeed to replace them with normal "non-HRC" fuses.
What is the chemical composition of HCHCR Material?
A high carbon And High Chromium steel is called HCHCr material.Normaly consists carbon of 2% and Chromium of 12% Silicon and Manganese vary between 0.2-0.35% This is a direct hardening material and can be hardened to 58-60 HRC. This material is used for manufacturing press tools and sheering blades.
How does a fuse work if there is a current that is too high?
The overflowed circuit would cause the fuse to burn and thus break the flow of electricity to the house. This is a safety measure by which the flow of electricity is topped when the energy is higher than what the normal household appliances can handle. Traditional fuses burn out and cant be re-used ( the wire inside really burns). Modern circuit breakers just flip the switch to off if more than sufficient current flows in. Once deemed safe, we can flip the breaker to On and resume the electricity flow.
What is the full form of hrb and hrc in term of hardness?
hra
What is the hardness of 68 HRC mean?
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.
What is the hardness of 55 -58 HRC mean?
Hardness of metal is determined by the carbon content. HRC is the Rockwell Hardness Scale. A hardness of 55-58 is not very hard compared to carbon steel.
What is the full form of hrc?
high ruptured capacity
How to convert BHN to HRC for material?
Hardness Conversion TableTensileStrength(N/mm2)Brinell Hardness(BHN)Vickers Hardness(HV)RockwellHardness(HRB)Rockwell Hardness(HRC)28586903209510056.235010511062.338511412066.741512413071.245013314075.048014315078.751015216081.754516217085.057517118087.161018119089.564019020091.567519921093.570520922095.074021923096.777022824098.180023825099.582024225523.185025226524.888026127526.490026628027.193027629028.595028029529.299529531031.0103030432032.2106031433033.3109532334034.4112533335035.5115534236036.6119035237037.7122036138038.8125537139039.8129038040040.8132039041041.8135039942042.7138540943043.6142041844044.5145542845045.3148543746046.1152044747046.9155545648047.7159546649048.4163047550049.1166548551049.8170049452050.5174050453051.1177551354051.7181052355052.3184553256053.0188054257053.6192055158054.1195556159054.7199557060055.2203058061055.7207058962056.3210559963056.8214560864057.3218061865057.8
What is hchcr hardness?
13-16 hrc
Tungsten carbide hardness?
approximately 90 HRC
What is full form of HRC fuse?
High Rupture Capacity fuse.
What is hrc value for aluminium?
Aluminum's hardness is 15 Brinell.
What is the Rockwell Hardness for p20 steel?
28 - 32 hrc
What is the hardness of en 31?
8.75 g/cm3
What is the rockwell hardness of ROUND en24?
42 to 45 HRC
