High-quality carbon structural steel is carbon steel with carbon content less than 0.8%. The steel contains less sulfur, phosphorus and non-metallic inclusions than carbon structural steel, and has excellent mechanical properties. High-quality carbon structural steels can be classified into three categories according to their carbon content: low carbon steel (C ≤ 0.25%), medium carbon steel (C 0.25-0.6%) and high carbon steel (C > 0.6%). High-quality carbon structural steel is divided into normal manganese content (containing 0.25%-0.8% manganese) and higher manganese content (containing manganese 0.70%-1.20%) according to different manganese content. The latter has better mechanics. Performance and processing performance. 1. High quality carbon structural steel hot rolled steel sheet and strip Steel plate knowledge of high quality carbon structural steel hot rolled sheet and strip for automotive, aerospace and other sectors. Its steel grades are boiling steel: 08F, 10F, 15F; killed steel: 08, 08AL, 10, 15, 20, 25, 30, 35, 40, 45, 50. 25 and below are low carbon steel, 30 and More than 30 is a medium carbon steel plate. 2, high quality carbon structural steel hot rolled thick steel plate and wide steel strip High-quality carbon structural steel hot-rolled thick steel plates and wide steel strips are used for various mechanical structural parts. Its steel grade is low carbon steel including: 05F, 08F, 08, 10F, 10, 15F, 15, 20F, 20, 25, 20Mn, 25Mn, etc.; medium carbon steel includes: 30, 35, 40, 45, 50, 55, 60, 30Mn, 40Mn, 50Mn, 60Mn, etc.; high carbon steel includes: 65, 70, 65Mn and the like. Led Emergency Blub Light, Blackout Backup Emergency Bulb,Backup LED Light Bulb Guangdong Dp Co., Ltd. , https://www.dp-light.com
Carbon structural steel plate
Emergency bulb lamp is a lamp that provides lighting function in case of power failure or other emergency. It is usually composed of LED lamp beads, battery, control circuit and other parts, can start quickly in emergency, provide lighting, ensure personnel safety .
The main features of the emergency bulb include:
High efficiency and energy saving : The use of LED lighting technology, has the advantages of high light efficiency, low energy consumption, effectively reduce energy consumption and carbon emissions .
Fast start : in the case of power failure or other emergency, can start quickly to provide stable and reliable lighting .
Long life : the use of high quality LED beads and batteries, with a long service life .
Easy to carry: usually small and light, easy to carry, can respond to emergency .
The emergency bulb has a wide range of application scenarios and is suitable for:
Home and dormitory: Provide lighting when power is off .
Public places: such as shopping malls, hotels, hospitals, etc., in case of emergency to ensure personnel safety .
Outdoor activities: such as camping, mountaineering, etc., provide lighting and emergency lighting .
In terms of working principle, the emergency bulb lamp combines the general lighting function and the power failure emergency lighting function. When the power grid fails, the lights automatically switch to emergency mode, using the built-in battery to provide lighting. Once powered up, it recharges and returns to normal lighting. This design ensures that lighting is provided immediately in the event of a power outage and automatically switches back to normal mode when power is restored