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AISI 201

We can produce AISI 201 stainless steel round rods, AISI 201 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control AISI 201 chemical composition and AISI 201 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.
AISI Type 201
Category Steel
Class Stainless steel
Type Austenitic standard
Common Names Chromium-Manganese-Nickel steel
Designations United States: ASME SA412 , ASTM A276 , ASTM A276 ,  ASTM A412 , ASTM A429 , ASTM A666 , FED QQ-S-766 , SAE 30201 , SAE J405 (30201) , UNS S20100


Element Weight %
C  0.15 
Mn  5.5-7.5 
Si  1.00 
Cr  16.0-18.0 
Ni  3.5-5.5 
P  0.06 
S  0.03 
N  0.25 



Mechanical Properties
Properties  Conditions
T (°C) Treatment
Density (×1000 kg/m3) 7.8 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 197 25  
Tensile Strength (Mpa) 515 25 annealed (sheet, strip) more
Yield Strength (Mpa) 275
Elongation (%) 40 
Reduction in Area (%) 45 



Thermal Properties
Properties  Conditions
T (°C) Treatment
Thermal Expansion (10-6/ºC) 15.7 0-100 more  
Thermal Conductivity (W/m-K) 16.2 100 more  
Specific Heat (J/kg-K) 500 0-100  



Electric Properties
Properties  Conditions
T (°C) Treatment
Electric Resistivity (10-9W-m) 690 25   


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