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It is commonly used in the aerospace industry for its high strength, and in marine applications for its corrosion resistance, although it can be susceptible to crevice corrosion in stagnant salt water.
222:
56:. The name comes from the chemical makeup which is approximately 17% chromium and 4% nickel. SUS630 is the same as 17-4PH, and they both refer to the same grade.
71:
Its density ranges from 7,800 to 7,900 kg/m (0.282 to 0.284 lb/cu in), and its modulus of elasticity ranges from 197 to 207 GPa (28.5
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336:"Stress Corrosion Properties of High-Strength Precipitation Hardening Stainless Steels in 3.5% Aqueous Sodium Chloride Solution"
335:
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17-4PH is used in applications requiring high strength, hardness, and corrosion resistance up to 300 °C (600 °F).
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The corrosion resistance and machinability of 17-4 are comparable to austenitic
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Overaging (aging beyond the peak strength condition) improves resistance to
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68:, and an ultimate tensile strength of 1,300 MPa (190,000 psi).
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308:"North American Stainless – Long Products Stainless Steel Grade Sheet"
291:. United States Department of Defense. 31 January 2003. p. 2-195.
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It is also used in the petroleum, chemical, and firearm industries.
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17-4 stainless steel can be heat treated to approximately 44
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98:. 17-4 is magnetic due to its martensitic structure.
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414:Association of Licensed Automobile Manufacturers
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16:Precipitation hardened stainless steel
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44:. It contains approximately 15–17.5%
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223:"Type 630; 17 Cr-4 Ni; UNS 17400"
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661:This alloy-related article is a
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601:Engineering Societies' Building
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718:. You can help Knowledge by
665:. You can help Knowledge by
585:SAE Supermileage Competition
20:SAE Type 630 stainless steel
7:
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103:stress corrosion cracking
315:North American Stainless
22:(more commonly known as
129:Proportion by mass (%)
39:precipitation hardened
533:Wright Brothers Medal
348:on September 6, 2015
241:on December 23, 2015
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96:304 stainless steel
775:Metalworking stubs
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400:SAE International
261:"SUS 630(17-4PH)"
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563:Competitions
352:September 6,
350:. Retrieved
343:the original
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318:. Retrieved
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268:Atlas Steels
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109:Applications
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91: psi).
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26:, or simply
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770:Alloy stubs
575:Formula SAE
289:MIL-HDBK-5J
124:Composition
36:martensitic
759:Categories
554:Henry Ford
200:References
60:Properties
32:UNS S17400
517:SAE J3400
512:SAE J3105
507:SAE J3068
502:SAE J3016
497:SAE J2452
492:SAE J1939
487:SAE J1814
482:SAE J1772
477:SAE J1708
472:SAE J1587
433:Standards
273:April 23,
190:0.15–0.45
181:15.0–17.5
175:0.03 max.
172:0.04 max.
166:0.07 max.
48:and 3–5%
636:SAE 904L
626:SAE 440C
621:SAE 316L
570:Baja SAE
467:SAE J306
462:SAE J300
193:balance
178:1.0 max.
169:1.0 max.
46:chromium
631:SAE 630
616:SAE 316
611:SAE 304
594:Related
445:ARP4761
440:ARP4754
320:June 5,
245:June 5,
187:3.0–5.0
184:3.0–5.0
81:to 30.0
24:17-4 PH
542:People
526:Awards
455:AS9100
450:AS9000
419:FISITA
158:Nb, Ta
54:copper
50:nickel
346:(PDF)
339:(PDF)
311:(PDF)
264:(PDF)
239:(PDF)
226:(PDF)
716:stub
663:stub
354:2016
322:2016
275:2021
247:2016
28:17-4
161:Fe
761::
313:.
297:^
266:.
228:.
208:^
155:Cu
152:Ni
149:Cr
146:Si
137:Mn
105:.
85:10
75:10
66:Rc
747:e
740:t
733:v
722:.
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687:t
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378:v
356:.
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143:S
140:P
134:C
89:^
83:Ă—
79:^
73:Ă—
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