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Grade & UNS#

AMS

Other Specifications

Description

Cr

Ni

C
Density
(lb./ cu.in.)
301
S30100
5517
5518
5519
ASTM A-167
ASTM A-177
ASTM A-666
Elevated carbon for cold working. High yield temperatures. Hose clamps, aircraft components, auto trim and wheel covers.
16.0-18.0
6.0-8.0
.15
.29
302
S30200
5515
5516
5637
ASTM A-167
ASTM A-240
ASTM A-276
Higher carbon version of 304. Stamping, spinning and wire form, washers, springs, screens, cables.
17.0-19.0
8.0-10.0
.15
.29
303
S30300
5640
5641
5738
ASTM A-320
ASTM A-484A
STM A-582
Great free machine-ability. Offers good strength and corrosion resistance. Shafts, valves, bolts, nuts, bushings, nozzles.
17.0-19.0
8.0-10.0
.15
.29
304
S30400
5501
5641
5639
ASTM A-167
ASTM A-240
ASTM A-276
Low carbon to hold within limits and carbide precipitation during welding process. Storage tanks for chemical, brewery, and food processing, flashing, gutters.
18.0-20.0
8.0-12.0
.03
.29
304L
S30403
5511
5647
ASTM A-167
ASTM A-182
ASTM A-240
Extra low carbon. Storage tanks for high acid content product, mineral receptacle linings, fasteners, stovetops, flatware.
18.0-20.0
8.0-12.0
.03
.29
305
S30500
5514
ASTM A-167
ASTM A-240
Lowest work and strain hardening rate of all austenitic steel. Maximum formability. Spun/deep drawn, eyelet, barrels, shells, cold-headed rivets, crews.
17.0-19.0
10.5-13.0
.12
.29
309
S30908

5523
5650
ASTM A-167
ASTM A-276
ASTM A-479
Superior to 304 in strength and high corrosion resistance. Boilers, oven linings, baffles, firebox sheeting, furnace components, high temperature containers.
22.0-24.0
12.0-15.0
.08
.29
310
S31008
5521
5651
5572
ASTM A-167
ASTM A-276
ASTM A-479
Good strength and corrosion resistance to 2100°F. Superior in most environments 304 and 309. Kilns, lead pots, combustion and radiant tubes, refractory anchor belts, saggers, burners, boiler baffles.
24.0-26.0
19.0-22.0
.25
.29
316
S31600

5524
5648
ASTM A-167
ASTM A-182
ASTM A-276
High corrosion resistance. Photograph and chemical handling equipment, tomato products vats and kettles, parts for fertilizer distribution.
16.0-18.0
10.0-14.0
.09
.29
316L
S31603
5507
5653
ASTM A-167
ASTM A-182
ASTM A-276
Low carbon. Used in application where intergranular carbide precipitation is critical. Used in extensive welding applications requiring 316 material.
16.0-18.0
10.0-14.0
.03
.29
321
S31703
5510
5645
5570
ASTM A-167
ASTM A-182
ASTM A- 276
Used in extreme corrosion applications where a stable weld is critical. Service applications from 800°F to 1850°F. Firewalls, pressure vessels, expansion joints, aircraft exhaust manifolds.
17.0-19.0
9.0-12.0
.08
.29
347
S34700
5512
5646
5556
ASTM A-182
ASTM A-193
ASTM A-276
Resembles 321 w/elevated creep strength. Service application from 800°F to 1850°F. General purpose application material. Welded chemical tankers, jet engine parts, aircraft exhaust stacks.
17.0-19.0
9.0-13.0
.08
.29
410
S41000
5504
5612
5613
ASTM A-193
ASTM A-276
ASTM A-314
Heat treatable, general purpose application material. Machined parts applications, pump shafts, bolts, bushings, valves, hardware, rifle barrels, fasteners.
11.5-13.5
.75
.15
.28
416
S41600
5610
ASTM A-484
ASTM A-582
Heat treatable. Superior machinability. Magnetic. Modification of 410. Aircraft fittings, fasteners, pinions, valves, time, axles, shafts.
12.0-14.0
.50
.015
.28
418
Greek Ascoloy

S41800
5508
5616
5817
Hardenable martinsetic. Applications w/temperatures reaching to 1200°F. Gas turbines, compressors, and high temperature fasteners parts.
12.0-14.0
1.8-2.2
.15-.20
.28
420
S42000
5506
5621
ASTM A-176
General heat treatable chromium steel. Dental/surgical instruments pump shafts, plastic molds and dies.
12.5-14.0
0.2
.18-.22
.28
430
S43000
5503
5627
ASTM A-276
ASTM A-479
Ferritic, non-heat treatable stainless steel. Ductile, formable, corrosion/oxidation resistance. Thermal conductivity appliances, heat exchangers, scientific apparatus, vaults.
16.0-18.0
.75
.12
.28
440 A
S44002
5618
5630
5631
ASTM A-276
ASTM A-580
High carbon martinsetic, annealed. Hardness of Rc56. Ball bearings and braces, gauge blocks, molds and dies, valve components, measuring instruments.
16.0-18.0
0.75
.95-1.20
.28
440 C
S44004
5618
5630
5880
ASTM A-276
High carbon martinsetic. Hardness of Rc 60. Ball bearings and braces, gauge blocks, molds and dies, valve components, measuring instruments.
16.0-18.0
0.75
.95-1.20
.28
Custom 455
tm1
S45500
5617
Corrosion resistance of 304 with easy cut capabilities. Three times the strength of 304.
11.0-12.5
7.9-9.5
.05
.28
13-8 PH Mo tm2
S13800
5629,
Type 1
5864
ASTM A-564, XM13
Precipitation age hardened. Good resistance to stress and corrosion cracking. High strength from low heat treatment. Aircraft landing gear, structural sections, valves and parts used in nuclear industries.
12.25-13.25
7.5-8.5
.05
.27
15-5 PH tm2
S15500
5659
5862
ASTM A-564, XM-12
Good strength, transverse toughness, and ductility. Corrosion resistant. Aircraft components, fabrication parts for high pressure corrosive environments, valves, fittings, gears, shafts, fasteners.
14.0-15.5
3.5-5.5
.07
.28
17-4 PH tm2
S17400
5604
5643
ASTM A-564, Gr. 630
Capable of high properties after precipitation or age treating. Corrosion resistant. Aircraft and gas turbines, nuclear reactors, paper/oil field/chemical processing components.
15.0-17.5
3.0-5.0
.07
.28
17-7 PH tm2
S17700
5528
5629
5644
ASTM A-693
MIL-S-25043
Precipitation hardenable. Moderate corrosion resistant. High strength. Low distortion in heat treating. Flat spring applications.
16.0-18.0
6.5-7.75
.09
.282
AM 350 tm2
S66286
5546
5548
5554
ASTM A-693
Heat treated austenitic/martensitic alloy. Applications under 1000°F. Industrial cutters, valve and gas turbine components.
16.0-17.0
4.0-5.0
.07-.11
.286
AM 355 tm3
S35500
5547
5743
ASTM-A-564
Similar to AM 350 w/slight carbon increase and slight chromium decrease. Industrial cutters, valve and gas turbine components.
15.0-16.0
4.0-5.0
.10-.15
.286
Nitronic 40 tm2
5656
ASTM A-276-82A
High manganese and nitrogen. Excellent strength at cryogenic temperatures as well as corrosion resistance. Similar to 316. Aircraft components, steam and autoclave parts, chemical control parts.
16.0-18.0
8.0-9.0
.06
.27
Nitronic 50 tm2
S29010
5764
ASTM A-193, Gr. B8R
ASTM A-276, Gr. XM-19
Superior to both 316 & 317 in high strength/corrosion resistance.Yield 2% offset is 55. Tensile 100.
20.50-23.50
11.50-13.50
.06
.28
Nitronic 60 tm2
S21800
5848
ASTM A-276
ASTM A-193, Gr. B85
Superior non-galling qualities. High wear applications where seizing and galling are problematic. Bridge spacers, pump parts, fasteners, rollers, pin bearings, internal combustion vales and seats.
17.
8.5
.005
.27
Alloy 20
ASME SB-473
ASTM B-473
Columbium stabilized material. Excels in corrosion resistance in hot, sulphuric acid applications compared to 316. Organic/heavy chemical parts, pharmaceuticals, petroleum parts, heat exchangers.
19.0-21.0
32.0-38.0
.07
.29