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Q345 22mm 1 Inch Stainless Steel Pipe ASTM A312 TP316L Hairline Pickling 400G

Place of Origin China
Brand Name Tongmao
Certification ISO9001
Model Number Stainless Steel Pipe
Minimum Order Quantity 3 Tons
Price Negotiable
Packaging Details Sea Worth Packaging or Cline's Request
Delivery Time 5-15 Working Days
Payment Terms L/C, T/T, Western Union, MoneyGram
Supply Ability 500 Tons - 1 Month

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Product Details
Thickness 0.5mm - 20 Mm Application Fluid Pipe, Structure Pipe, Construction, Boiler Pipe, Chemical Industry
Grade TP316L Technique Hot Rolled/Cold Rolled
Standard ASTM GB DIN JIS API Surface Treatment Galvanized, Customized
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Q345 1 inch stainless steel pipe


Pickling 400G astm a312 tp316l


Hairline 22mm steel pipe

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Product Description

22mm 1 Inch Stainless Steel Pipe ASTM A312 TP316L Hairline Pickling 400G


Introduction to stainless steel tube:

Stainless steel pipe is a hollow long cylindrical steel, his scope of application as a fluid pipeline, mainly widely used in petroleum, chemical, medical, food, light industry, mechanical instrumentation and other industrial pipeline and mechanical structural components. Stainless steel pipes are made of acid and heat resistant billets, heated, perforated, sized, hot rolled and cut.

Manufacturing method:

According to different production methods, it can be divided into hot rolled tube, cold rolled tube, cold drawn tube, extrusion tube and so on.
1.1. Hot rolled stainless steel seamless tubes are generally produced on automatic tube rolling sets. The solid tube blank is checked and cleared of surface defects, cut into the required length, centering on the perforated end face of the tube blank, and then sent to the heating furnace for heating, and perforated on the punch machine. In the perforation at the same time continuous rotation and forward, under the action of the roll and the top, the tube blank gradually formed a cavity, called the wool tube. Then it is sent to the automatic pipe mill to continue rolling. Finally, the wall thickness of the whole machine is adjusted, and the sizing machine is adjusted to meet the specification requirements. It is an advanced method to produce hot rolled seamless steel tube with continuous rolling tube set.
1.2 If you want to obtain seamless tubes with smaller size and better quality, you must use cold rolling, cold drawing or a combination of both methods. Cold rolling is usually carried out on a two-high mill. The steel pipe is rolled in an annular pass consisting of a circular groove with a variable section and a stationary conical top. Cold drawing is usually carried out in 0.5 ~ 100T single chain or double chain cold drawing machine.
1.3. Extrusion method: The heated tube blank is placed in a closed extrusion cylinder, and the perforated rod moves together with the extrusion rod to extrude the extruded parts from the smaller die hole. This method can produce smaller diameter steel pipe.
This kind of steel pipe can be divided into stainless steel seamless steel pipe and stainless steel welded steel pipe (seam pipe) two categories, according to the different manufacturing process can be
For: hot rolling, extrusion, cold drawing and cold rolling these basic types, according to the shape of the section and can be divided into round pipe and special-shaped pipe, widely used is round steel pipe, but there are some square, rectangular, semicircular, hexagonal, equilateral triangle, octagonal special-shaped stainless steel pipe.
For the steel pipe under fluid pressure to carry out hydraulic test to test its pressure capacity and quality, under the specified pressure does not leak, wet or expansion for qualified, some steel pipe according to the standard or the requirements of the side test, flaring test, flattening test.
Seamless stainless steel tube, also known as seamless stainless steel tube, is made of steel ingot or solid tube blank by perforation of wool tube, and then made by hot rolling, cold rolling or cold dialing. The specifications of seamless steel pipe are expressed by the number of millimeters of outer diameter * wall thickness.

Product Description​:

Commodity Name Stainless steel pipe
Type Seamless
Standard ASTM A554, A249,A269,A270 , A312
Material 201,202,301,304,304L,316,316L,316Ti,321,410,430
Outer Diameter 6mm - 620mm
Wall Thickness 0.25mm - 40mm
Length 6000mm - 12000mm or Customized
Tolerance OD±1% WT±5% or as per customers' request
Surface Satin/Hairline/Mat/Pickling
400G,500G,600G or 800G Mirror finish
Test Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT
Application Construction, Industry, Petroleum, Chemical, Boiler and Exchanger
Packing Bundle packing
Beveled end or pained
Marking as customers' request
Plastic caps at ends
Wooden box packing

Pictures show:

304 316 Pickling Polished Seamless Industrial Precision Inox Tube,Exhaust, Water, Gas Stainless Steel Round Pipe 0


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