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DIN 931 Duplex Stainless Steel Fasteners Hex Bolt UNS S32205 Duplex 2205 Material

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Zhengzhou Huitong Pipeline Equipment Co.,Ltd.

DIN 931 Duplex Stainless Steel Fasteners Hex Bolt UNS S32205 Duplex 2205 Material

Country/Region china
City & Province zhengzhou henan
Categories Bolts
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Product Details

UNS S32205 Duplex 2205 Duplex Stainless Steel Fasteners Hex Bolt M1.6-M39 DIN931
 
1. Fasteners Specification:
 

 
2.Duplex 2205 description
 
Duplex 2205 stainless steel (both ferritic and austenitic) is used extensively in applications that require good corrosion resistance and strength. The S31803 grade stainless steel has undergone a number of modifications resulting in UNS S32205, and was endorsed in the year 1996. This grade offers higher resistance to corrosion.
At temperatures above 300°C, the brittle micro-constituents of this grade undergo precipitation, and at temperatures below -50°C the micro-constituents undergo ductile-to-brittle transition; hence this grade of stainless steel is not suitable for use at these temperatures.
 
3.Fasteners package method
 

Often small hardware, fasteners and other parts are packaged in bags and displayed in bins or on
hangers. Bagging is the most effective way to package and organize small parts, while also being the
most flexible and affordable. In order to better protect the products during transportation, we will pack the
packed products in wooden cases.
 
4.Fasteners Application
 
A fastener (US English) or fastening (UK English) is a hardware device that mechanically joins or affixes
two or more objects together. In general, fasteners are used to create non-permanent joints; that is, joints
that can be removed or dismantled without damaging the joining components. Welding is an example of
creating permanent joints. Steel fasteners are usually made of stainless steel, carbon steel, or alloy steel.
 
5.Chemical Composition, %

Grade CMnSiPSCrMoNiN
2205 (S31803)

Min
Max

-
0.030

-
2.00

-
1.00

-
0.030

-
0.020

21.0
23.0

2.5
3.5

4.5
6.5

0.08
0.20

2205 (S32205)

Min
Max

-
0.030

-
2.00

-
1.00

-
0.030

-
0.020

22.0
23.0

3.0
3.5

4.5
6.5

0.14
0.20

 
6.Delivery:
Port:
Tianjin/Shanghai/Ningbo
Lead Time :

Quantity(Pieces)1 - 100>100
Est. Time(days)10To be negotiated
 

 
7.Production Flow
 

From the raw materials to the finished products, we can satisfy customers' requirements by high quality
products and best services by means of scientific and reasonable layout of the plant, advanced automatic
manufacturing equipment and digital management.
 
Workshop
From raw materials to end product delivery, it has a strict control program. Accurate completion is done
about Standard parts: wiring- roughing – annealing- pickling - drawing – heading(cold forging or hot forging)
– threading(rolling) - heat treatment -surface treatment –cleaning –inspecting-packaging
 
Customization parts:heading, stamping or casting-wire cut edm machine -CNC (machining center) -grinder
threading(rolling) - heat treatment -surface treatment –cleaning –inspecting-packaging.




















































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