• 321 Stainless Steel round bar
  • 321 Stainless Steel forging
  • 321 Stainless Steel sheet
  • 321 Stainless Steel flat bar
  • 321 Stainless Steel pipe
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321 Stainless Steel

We can produce 321 Stainless Steel stainless steel round rods, 321 Stainless Steel forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control 321 Stainless Steel chemical composition and 321 Stainless Steel mechanical properties.From casting, forging, steel to hot and cold rolling process, heat treatment, etc, we have the control of professional engineers. We have advanced precision machining equipment, according to the requirements of users machining. in order to achieve the most satisfied with the user requirements.

Production specification

Round bar steel: 1mm to 3500mm
Square-shape steel: 1mm to 4000mm
Plate steel:0.1mm to 4000mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-1800mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.
We serve you with our honesty, integrity, and professionality.

321 Stainless Steel



321 is a titanium stabilised austenitic stainless. The addition of titanium helps improve its welding properties. 321 is a stainless grade suitable for operating at temperatures above 300°C. 321 stainless is available in round bar only.

 

Typical Analysis

 321            

C.

Mn.

P.

S.

Si.

Cr.

Ni.

Mo.

Ti.

0.08%

2.00%

0.045%

0.03%

1.00%

17.00-

9.00-

1.00%

5x

max.

max.

max.

max.

max.

19.00%

12.00%

max

%C.

 

Physical Properties 321        
  Temperature    
 

20ºC

200ºC

400ºC

800ºC

Modulus of elasticity

20000

18500

17000

13500

kg/mm        
Specific heat

0.105

0.125

0.135

0.15

kcal/ºC        
Specific electrical resistance

0.7

0.8

1.0

1.15

(resistivity)        
         
  Mean value for:    
 

20-100ºC

20-200ºC

20-400ºC

20-800ºC

Coefficient of Thermal Expansion

17

17.5

18

19.5

x10-6 per ºC        
         
Density g/cm3 at 20ºC

7.9

 

   
         
Scaling temperature ºC

 875ºC

 

   

Mechanical properties

321 Stainless Steel Mechanical properties,Our production completely according to the 321 Stainless Steel standards to meet the 321 Stainless Steel mechanical performance, can also according to the customer request, to meet the requirements of customers of 321 Stainless Steel mechanical properties.

Heat treatment

321 Stainless Steel Heat treatment,Our production completely according to the 321 Stainless Steel standards to meet the 321 Stainless Steel Heat treatment, can also according to the customer request, to meet the requirements of customers of 321 Stainless Steel Heat treatment.

Machining

321 Stainless Steel Machining,Our production completely according to the 321 Stainless Steel standards to meet the 321 Stainless Steel Machining, can also according to the customer request, to meet the requirements of customers of 321 Stainless Steel Machining.

Welding performance

321 Stainless Steel Welding performance,Our production completely according to the 321 Stainless Steel standards to meet the 321 Stainless Steel Welding performance, can also according to the customer request, to meet the requirements of customers of 321 Stainless Steel Welding performance.

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