alloy-45-seamless-steel-square-pipe can be divided into two types, one is seamless round tube, one is seamless square tube, seamless round tube is the most important use of the pipeline and machinery industry, such as oil pipelines and natural gas pipeline, also there are natural gas pipeline and so on; there is the machinery industry, the car is made of semi-axle is made of seamless steel, as well as bicycle steel frame, but also as a material for the production of the boiler.
alloy-45-seamless-steel-square-pipe Specification

Grade	Temper	Specification
4130	N	MILT6736, AMS6360, AMS6371
4140	A, N, T	AMS6381
15CDV6	T980, T1080	AIR9160C, 1.7734.5, 1.7734.6

alloy-45-seamless-steel-square-pipe in the pipeline before the need to rust paint, and seamless square tube is made of first, galvanized, galvanized way is mainly divided into galvanized and hot galvanized in two ways, we usually see galvanized seamless square pipes are generally hot-dip galvanized because hot-dip galvanized seamless tubes are much stronger than galvanized seamless steel tubes because the main purpose of seamless square pipes is for construction steel structure, color steel room, etc.,