4inch Black Steel Pipe

With the vast support of our team of experts, we are highly engaged in manufacturing and supplying a wide spectrum of 4inch Black Steel Pipe. These are manufactured from using high quality material and designed by our experts. We offer them at very competitive price to our customers.

1.Black Steel pipe
2.It is used for conveying water,petroleum,gas and other common fluids and common building structures.
3.Steel:GR.A, GR.B 4.Size:1/8a -38a *Sch20,Sch40,Sch60,Sch80,Sch100,Sch120,Sch160,XXS
5.Length:5M-12M random length or 6m fixed,or 11.8m fixed.Cut tolerance +-10mm.
6.Loading:5.8 meters for 20'container, 6 meters to 12 meters for 40'container
7.Packing:Hexagonal bundles of max.2,000kg with 6 steel strips bundles,black paint coating,beveld ends or plain.Caps both ends.
8.Delivery tolerance:+-10%,or +-8% or +-5%of total quantity and amount.
9.Black Steel pipe test:Chemical Component Analysis,Mechanical Properties(Ultimate tensile strength,Yield strength,Elongation),Technics Properties(Flattening Test,Bending Test,Hardness Test,strike Test,etc),Exterior Size Inspection,Nondestructive Test,Hydrostatic Test.
10.Heat treatment: BK, BKS, GBK, NBK,Stress