News Center
Drilling holes in shipbuilding angle steel or angle iron requires drill bits capable of drilling harder materials while remaining sharp. And you need a method of reducing friction at the drilling point. High-speed drill bits are hardened beyond the hardness of iron. This allows the drill bit to cut through the steel without rapidly dulling during the cut. Using a high-speed drill bit with the proper type of drill motor will allow you to control the speed and heat of the drill bit.
1 Secure a length of shipbuilding angle steel in a bench vise.
2 Set the point of a center punch at the location you require a hole. Strike the back of the punch with a hammer to create a depression to hold the tip of drill bit on the center of the hole.
3 Select a drill bit matching the size of your hole from a drill bit set or a drill bit 1/3 the size of a hole larger than 5/15 inch. Secure the drill bit in the chuck of a variable speed drill motor.
4 Coat the center punch depression with cutting fluid.
5 Pull the trigger of the drill motor to drill slowly through the shipbuilding angle steel. Add additional cutting fluid to the drill bit when you notice smoke coming from the drilling area. Exchange the drill bit for the final hole size when drilling holes over 5/16 inch in diameter. Drill the larger hole to the correct size while continually dripping cutting fluid over the drilled hole.
GB T 5312 Carbon and carbon-manganese steel seamless steel tubes and pipes are mainly for ship use, also known as shipbuilding steel pipes. Under GB T 5312, there are mainly 5 steel grades: grade 320, 360, 410, 460 and 490. Each grade covers three levels: I, II, III.
Angle steel, commonly known as angle iron, is a long strip of steel whose sides are perpendicular to each other. There are equal angle steels and unequal angle steels. The two sides of equal angle steel are equal in width. The unequal angle steel is also known as L shape profile steel.
Flat bar steel can be produced according to the user's needs, with fixed thickness, width and length. It can reduce the cutting process for users, reduce the consumption of labor and materials, and also reduce the processing loss of raw materials.
Bulb flat steel for shipbuilding
The bulb flat steel is a kind of medium section material which is mainly used in the field of shipbuilding and bridge building, and the shipbuilding bulb flat steel is an auxiliary medium section material for shipbuilding.
The steel for shipbuilding and oil platform---FH40, is the high tensile strength steel.The shipbuilding steel FH40 is the Hull structural steel.We can provide FH40 shipbuilding steel plate price.
The steel for shipbuilding and oil platform---EH40, is the high tensile strength steel.The shipbuilding steel EH40 is the Hull structural steel.We can provide EH40 shipbuilding steel plate price.
If you are interested in our company or products, welcome to visit our company or local offices; you can also get contact with us through online consulting, demand table submission, e-mails and telephones. Our staff shall wholeheartedly provide product information, application knowledge and good service for you.
BBN SHIP STEEL FACTORY
