STAINLESS STEEL
AUSTENITIC GRADES
 (NOT HEAT TREATABLE)

C

Cr

Ni

OTHER (max)

MAGNETIC
YES - NO

AVAILABLE FORMS

317L

SIMILAR TO T 316 & 316L WITH THE ADDITION OF MORE MOLYBDENUM TO IMPROVE CORROSION RESISTANCE. 317 HAS .08 CARBON MAX.

.03

18.0-20.0

11.0-15.0

Mn 2.00
P .045 S .03
Si 1.00
Mo 3.0-4.0

NO

SHEET STRIP PLATE
BAR TUBE/PIPE WIRE
FORGINGS CASTINGS

321

TITANIUM STABILIZED 300 GRADE. FOR WELDMENTS SUBJECT TO INTERGRANULAR CORROSION. GOOD AT HIGH TEMPERATURES

.08

17.0-19.0

9.0-12.0

Ti 5 X C +
N MIN -
.70 MAX.

NO

SHEET STRIP PLATE
BAR TUBE/PIPE WIRE
FORGINGS CASTINGS

330

EXCELLENT CARBURIZATION/OXIDATION RESISTANCE. WITHSTANDS THERMAL FATIGUE. GOOD HOT STRENGTH.

.05

19.0

35.0

Fe 43

NO

SHEET PLATE
BAR TUBE/PLATE WIRE
SHAPES FORGINGS

333

HIGH STRENGTH. EXTREMELY RESISTANT TO CARBURIZATION, OXIDATION AND THERMAL SHOCK. GOOD HOT CORROSION RESISTANCE.

.05

25.0

45.0

Fe 18.0
Mo 3.0
Cb 3.0
W 3.0

NO

SHEET PLATE

STRIP BAR

347

COLBALT & TANTALUM STABILIZED. EASILY WELDED. RESISTS INTERGRANULAR CORROSION. SUPERIOR TO T 321.

.08

17.0-19.0

9.0-12.0

(Cb+Ta)
10 X C MIN
1.10 MAX

NO

SHEET STRIP PLATE
BAR TUBE/PIPE
FORGINGS CASTINGS

NITRONIC * 32

TWICE THE YIELD STRENGTH OF T 304 WITH GOOD CORROSION RESISTANCE

.15

16.0-19.0

1.5-2.5

Mn 11.0-14.0
Mn 0.20-0.45

NO

BAR FORGINGS
WIRE

NITRONIC
* 40

HIGH STRENGTH WITH GOOD RESISTANCE TO OXIDATION AND TOUGH AT SUB ZERO

.03

19.0-21.5

5.5-7.5

Mn 8.0-10.0
N .15-.40

NO

BAR FORGINGS
WIRE

NITRONIC
* 50

ABOUT TWICE THE YIELD STRENGH OF 316 WITH MORE CORROSION RESISTANCE.

.06

20.5-23.5

11.5-13.5

Mn 4.0-6.0
Mo 1.5-3.0

NO

BAR FORGINGS
WIRE

NITRONIC
* 60

EXCELLENT WEAR AND GALLING QUALITIES TWICE YIELD OF T 304 WITH COMPARABLE CORROSION RESISTANCE.

.10

16.0-18.0

8.0-9.0

Mn 7.0-9.0
Si 3.5-4.5
N .08-.18

NO

BAR FORGINGS
WIRE PLATE

NOTE:   MOST AUSTENTIC GRADES CAN BE HARDENED BY COLD WORKINGS.

STAINLESS STEEL
FERRITIC GRADES
 (NOT HEAT TREATABLE)

C

Cr

Ni

OTHER (max)

MAGNETIC
YES - NO

AVAILABLE FORMS

409

A 11 PERCENT CHROMIUM ALLOY. WITH STANDS ACID CONDENSATES FORMED IN AUTO EXHAUSTS. REPLACES CARBON AND GALVANIZED STEEL IN SOME USES.

.045

11.0

Ti .5
Fe BAL

YES

SHEET PLATE
STRIP

430
430F
430FSe

BASIC GENERAL PURPOSE CORROSION RESISTANT STAIGHT CHROMIUM SS. USED FOR DECORATIVE AND CORROSION RISIST- ANCE IN SOME APPLICATIONS. 430F AND 430Se ADD ELEMENTS FOR MACHINING.

.12

16.0-18.0

0.75

MN 1.0 MAX
430F Su .15
MIN
430FSe +
Se .15 MIN

YES

SHEET STRIP PLATE
BAR TUBE/PIPE

434
436

BOTH GRADES ARE SIMILAR TO T 430 WITH THE ADDITION OF ELEMENTS TO INCREASE CORROSION RESISTANCE, IMPROVE DRAWABILITY AND IMPROVE THE FINISH FOR DECORATIVE APPLICATIONS.

.12

14.0-18.0

TYPE 434
Mo .75-1.25
TYPE 436M
Cb+Ta 0.30
0.60

YES

STRIP

439

CORROSION RESISTANCE SIMILAR TO T304 WITH EXCEPTION OF CERTAIN ACIDS. EXCEPTIONAL RESISTANCE TO STRESS CRACKS.

.025

18.0

Fe 82.0
Ti .6 Si .5
N O .250

YES

SHEET PLATE BAR

446

BEST CORROSION RESISTANCE OF THE STRAIGHT CHROME GRADES. LOW COEFFICIENT OF EXPANSION.

.20

23.0-27.0

Mn 1.5 P .04
N.25 Si 1.0
Fe 73 V .25

YES

SHEET PLATE BAR
TUBE/PIPE