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Austenitic Stainless Steel Grades 201-316

CHARACTERISTICS OF STAINLESS STEEL

STAINLESS STEEL
AUSTENITIC GRADES
(NOT HEAT TREATABLE)

C

Cr

Ni

OTHER (max)

MAGNETIC
YES - NO

AVAILABLE FORMS

201

CHROMIUM-NICKEL-MANGANESE STAINLESS MADE AS AN ALTERNATIVE TO T 301 IN MANY APPLICATIONS

.15

16.0-18.0

3.5-5.5

Mn 5.5-7.5
N .25
P .06

NO

SHEET STRIP

203

CHROMIUM-NICKEL-MANGANESE-COPPER STAINLESS WITH ADDED SULPHUR GIVING SAME CORROSION RESIST. AS T 303 BUT MACHINE FASTER WITH BETTER FINISHES

.08

16.0-18.0

5.0-6.50

Mn 5.0-6.5
S .18-35
Cu 1.75-2.25
Si .20-.70

NO

ROUND BAR FORGINGS

301

CHROMIUM-NICKEL STEEL CAPABLE OF ATTAINING HIGH TENSILE STRENGTH AND DUCTILITY BY COLD WORKING.

.15

16.0-18.0

6.0-8.0

Mn 2.00
P.045
S .030
So .75 Max

NO

SHEET STRIP WIRE

302

GENERAL PURPOSE CHROMIUM-NICHEL STEEL. CORROSION RESISTANCE BETTER THAN 301, CAN BE WORK HARDENED TO HIGH TENSILE, LESS DUCTILE THAN 301

.15

17.0-19.0.

8.0-10.0

Mn 2.00
P .045
S .030
Si. .70

NO

STRIP WIRE BAR

303
303SE

300 GRADE WITH INCREASED SULPHUR FOR GOOD MACHINABILITY. T 303SE IS T 303 WITH 0.15-0.35 SELENIUM ADDED TO INCREASE MACHINABILITY.

.08

17.0-19.0

8.0-10.0

Mn 2.00
S .15
Mo .60

NO

BAR WIRE

PLATE FORGINGS

304

LOW CARBON CHROMIUM-NICKEL STAINLESS AND HEAT RISISTING STEEL. .SUPERIOR TO 302 IN CORROSION RESISTANCE

.08

18.0-20.0

8.0-10.5

Mn 2.00
P.045
S .030
Si .75

NO

SHEET STRIP PLATE BAR
WIRE TUBE/PIPE SHAPES
FORGINGS CASTINGS

304L

VERY LOW CARBON CHROMIUM-NICKEL STAINLESS SIMILAR TO 304 BUT WITH SUPERIOR RESISTANCE TO INTERGRANULAR CORROSION AFTER WELDING OR STRESS RELIEVING.

.03

18.0-20.0

8.0-11.0

Mn 2.00
P .045
S .03
Si .75

NO

SHEET STRIP PLATE
BAR TUBE/PIPE WIRE
FORGINGS CASTINGS

302B
303B
304B
316B

THE BASIC GRADE AS DESCRIBED BUT IN A WORK HARDENED CONDITION FOR INCREASED STRENGTH.

SLIGHTLY

ROUND BAR

305

A HIGHLY CORROSION RESISTANT ALLOY WITH LOW RATE OF WORK HARDENING. USED FOR EXTRA DEEP DRAWING AND SPINNING APPLICATIONS.

0.12

17.0-19.0

10.0-13.0

Mn 2.0
P .045
S .030
Si 1.00

NO

STRIP WIRE

309

A HIGHLY CORROSIVE RESISTANT STEEL USED IN HIGH TEMPERATURE ENVIRONMENTS. 309S HAS LOWER CARBON FOR REDUCED CARBIDE PRECIPITATION WHEN WELDING.

.08

22.0-24.0

12.0-15.0

Mn 2.00
P .040
S .030
Si 1.00
Mo .75 Cu .50

NO

SHEET STRIP PLATE
BAR TUBE/PIPE WIRE
FORGINGS

310

SIMILAR TO 309 WITH EVEN GREATER RESISTANCE TO CORROSION AND OXIDATION AT ELEVATED TEMPERATURES. 310S HAS LOWER CARBON FOR LESS CARBIDE PRECIPITATION IN WELDING.

.08

24.0-26.0

19.0-22.

Mn 2.0
P .045
Si .30-.80
S .030
Mo .50 Cu .50

NO

SHEET STRIP PLATE
BAR TUBE/PIPE WIRE
FORGINGS

316

CHROMIUM-NICKEL STAINLESS. GOOD HEAT RESISTANCE AND SUPERIOR CORROSION RESISTANCE TO MANY TYPES OF CHEMICAL CORROSIVES. SUPERIOR CREEP STRENGTH AT ELEVATED TEMPS.

.08

16.0-18.0

10.0-14.0

Mn 2.0
P .045
Mo 2.0-3.0
S .03 Si 1.0
CU .5

NO

SHEET STRIP PLATE
BAR TUBE/PIPE WIRE
FORGINGS CASTINGS

316L

SIMILAR CORROSION RESISTANCE AS T 316 BUT WITH SUPERIOR RESISTANCE TO INTERGRANULAR CORROSION AFTER WELDING OR STRESS RELIEVING.

.03

16.0-18.0

10.0-14.0

Mn 1.25-2.0
Mo 2.0-3.0
P .04 Si 1.0
CU .75

NO

SHEET STRIP
PLATE BAR
WIRE TUBE/PIPE
FORGINGS CASTINGS

 

 

 
 
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