Cheapest Price Cold Drawn Seamless Tube - Hot Rolled Seamless Steel Pipe – Zhanzhi

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Cheapest Price Cold Drawn Seamless Tube - Hot Rolled Seamless Steel Pipe – Zhanzhi

Feature

1)Standard: JIS, AISI, ASTM, GB, DIN, EN, ASME
2)Thickness: 1.24 – 36.5 mm
3)Section Shape:Round
4)Outer Diameter: 38 – 426 mm, according to customers’ requirement
5)Place of Origin: Tianjin China (Mainland)
6)Secondary Or Not: Non-secondary
7)Technique: Hot Rolled
8)Surface Treatment: As customer request
9)Packing: standard sea-worthy packing
10)Alloy Or Not:Non-alloy
11)Length: 2-12m or as customer request
12)Grade: Gr.B/X42/X46/X52/X60/X70, etc.
13)Material: Carbon steel pipe
14)Type: Welded/ seamless Steel pipe

Hot rolled can destroy the casting structure of steel ingot, refine the grains of steel and eliminate the defects of microstructure, so that the steel structure is dense and the mechanical properties are improved. This improvement is mainly reflected in the rolling direction, so that the steel is no longer isotropic to a certain extent; Bubbles, cracks and porosity formed during pouring can also be welded under high temperature and pressure.

Tube blank - inspection - peeling - inspection - heating - piercing - pickling - grinding - lubrication and air drying - welding head - cold drawing - solution treatment - pickling - pickling passivation - inspection - cold rolling - deoiling - cutting head - air drying - internal polishing

Hot rolled seamless steel pipes are divided into general steel pipes, low and medium pressure boiler steel pipes, high pressure boiler steel pipes, alloy steel pipes, stainless steel pipes, petroleum cracking pipes, geological steel pipes and other steel pipes.

1.Most underground pipelines are used for transportation, underground water is extracted during Gai Lou, and boiler hot water is used for transportation.
2.Machining, bearing sleeves, machining mechanical parts, etc.
3.Electrical: gas transmission and water power generation fluid pipeline.
4.Anti-static tubes of wind power plants.

Application

As China metal materials industry leading enterprises, the national steel trade and logistics "Hundred good faith enterprise",China steel trade enterprises, "Top 100 private enterprises in Shanghai”. Shanghai Zhanzhi industry Group Co., Ltd.,(shorted to Zhanzhi Group) takes the" Integrity, Practicality, Innovation, Win-Win " as its sole operation principle, always persist in putting the customer demand in the first place.

  • INTEGRITY
  • WIN-WIN
  • PRAGMATIC
  • INNOVATION

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