Introduction of small diameter seamless steel pipe

Small diameter  seamless steel pipe can also be divided into:seamless small-caliber steel pipe and straight seam(also known as welding) small-caliber seamless steel pipe,generally in the pipe diameter below 89mm,more than 4 mm,can be collectively referred to as small-caliber seamless steel pipe.

small diameter seamless steel pipes

Small diameter seamless steel pipe is a kind of circular,square and rectangular steel with hollow section and no joint around it.Seamless steel tube is made of steel ingot or solid billet through perforation and then hot-rolled,cold-rolled or cold-drawn.Seamless steel pipe has hollow section and is widely used as pipeline for conveying fluids.Compared with solid steel such as round steel,steel pipe has lighter weight when its bending and torsion strength is the same.It is an economic section steel.It is widely used to manufacture structural parts and mechanical parts,such as oil drill pipe,automobile transmission shaft,bicycle frame and steel scaffolding used in construction.

ASTM A106 seamless steel pipes

Material of small diameter seamless steel pipe in Haihao Group:A105,A106 Gr.B,A53,ST 35.8,SS400,P235GH,API 5LGr.B,ST 20,C22.8,A234 WPB,ASTM A403 304,316,321,A234 WP5,A182 F11,S235JR,S355JR,etc.

Haihao Group manufacture seamless steel pipes,welded steel pipes(ERW/LSAW steel pipes),galvanized steel pipes,PE&FBE&epoxy coated pipes and fittings,3 Layer PE&3LPE(3PE)&2LPE(2PE) coated pipes,pipe fittings and forged flanges more than 30 years.If you want to know more about our products,please email us:sales@haihaogroup.com