|
Steel Type
|
NAS Type
|
Specs*
|
Min. Tensile
|
Min. Yield
|
Min. Elong.
|
Max RB
|
Characteristics
|
Applications
|
|
301
|
103
|
ASTM A240 A480
|
75
|
30
|
40
|
95
|
Cr and Ni lower for Greater Work
Hardening
|
Conveyors; food service and kitchen
equipment applications
|
|
|
102
|
**
|
95**
|
50**
|
45**
|
95**
|
A low Ni and high Mn version offering
higher mechanical properties
|
Truck trailers
|
|
304
|
120
|
ASTM A240 A480
|
75
|
30
|
40
|
92
|
Excellent resistance to a wide
range of corrosives and atmospheric exposure
|
Kitchen and table utensils; appliances;
automotive; chemical industry facilities; building materials; transportation
|
|
304
|
020
|
ASTM A240 A480
|
75
|
30
|
40
|
92
|
Increased sulfur content of 0.010
to 0.020 improves weldability
|
Pipe and tube; welding applications
|
|
304
|
161 170 195
|
ASTM A240 A480
|
75
|
30
|
40
|
92
|
These grades have a higher Ni content:
8.5%, 9.0%, 9.5% respectively for drawing applications
|
Sinks; severe drawing applications
|
|
304 L
|
150
|
ASTM A240 A480
|
70
|
25
|
40
|
92
|
Lower carbon for welding applications
to avoid carbide precipitation
|
When welding is a concern
|
|
304
LN
|
130
|
ASTM A240 A480
|
75
|
30
|
40
|
92
|
Improved strength characteristics
in annealed condition
|
Cryogenic applications
|
|
316
|
250
|
ASTM A240 A480
|
75
|
30
|
40
|
95
|
Mo additions made for improved
corrosion, pitting and oxidation resistance
|
Chemical plant equipment; pulp
and paper industry; desalination plants; food processing equipment;
textile industry
|
|
316 L
|
270
|
ASTM A240 A480
|
70
|
25
|
40
|
95
|
Improved corrosion resistance with
lower carbon for welding applications to avoid carbide precipitation
|
Chemical industry; paper industry
equipment; pharmaceutical processing equipment; scrubbers (environmental)
|
|
321
|
315
|
ASTM A240 A480
|
75
|
30
|
40
|
95
|
Ti additions to prevent Chromium
carbide precipitation
|
High temperature applications
|
|
317 L
|
305
|
ASTM A240 A480
|
75
|
30
|
40
|
95
|
Higher MO additions than 316 for
use in difficult environments
|
Chemical processing equipment;
pulp and paper equipment; ink manufacturing equipment
|
|
430
|
500
|
ASTM A240 A480
|
65
|
30
|
22
|
89
|
Good mech. Properties and heat
resistance; excellent corrosion to some acids
|
Food service and kitchen equipment
applications; automotive trim; architecture; tubing
|
|
* Most recent revision
of ASTM specifications will apply. Some grades available in heat
lot only.
|
|
** No ASTM specification is
available. Values are suggested mechanical properties subject to
customer approval.
|
