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Care of Metal Spray Supplies Australia
P.O. Box 954, Capalaba ,
Queensland 4157 Australia

Tel: 0061 7 3823 1004
Fax: 0061 7 3823 1005
E-Mail: kevinhealey@alloywire.com

Stainless Steel 321
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Stainless Steel 321

Available in any of the 'profile options'

Stainless Steel 321 has similar composition to 304 Stainless Steels but with addition of Titanium.

Stainless Steel 321 is also known as AISI 321, Nirosta 4541, Polarit 731, and Remanit 4541.

Chemical Composition Specifications Designations Key Features Typical Applications
Element Min % Max %
C 0.08
Mn 2.00
P 0.04
S 0.03
Si 0.40 1.00
Cr 17.00 19.00
Ni 9.50 12.00
N 0.10
Mo 0.50
Ti 5 x C 0.70
Fe BAL
ASTM A313

ASTM A240

ASTM A479

BS EN 10088-3:2014

W.Nr. 1.4541

UNS S32100

AWS 133

Similar composition to 304 Stainless Steels but with addition of Titanium

Good creep and oxidation resistance make this a cost effective material for a number of applications

Refinery Equipment

Heat Exchangers

Engineered components

Food Processing

Waste Treatment

Density 8.03 g/cm³ 0.29 lb/in³
Melting Point 1370°C 2500°F
Coefficient of Expansion 16.6 μm/m °C (20 – 100°C) 9.2 x 10-6 in/in °F (70 – 212°F)
Modulus of Rigidity 78 kN/mm² 11300 ksi
Modulus of Elasticity 193 kN/mm² 28000 ksi
Heat Treatment of Finished Parts
Condition as supplied by Alloy Wire Type Temperature Time (Hr) Cooling
°C °F
Annealed or Spring Temper Stress Relieve 450 840 1 Air
Properties
Condition Approx. tensile strength Approx. operating temperature
N/mm² ksi °C °F
Annealed 600 – 800 87 – 116 -200 to +300 -330 to +570
Spring Temper 1300 – 2200 189 – 319 -200 to +300 -330 to +570

The above tensile strength ranges are typical. If you require different please ask.

 

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