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Stainless Steel 13-8 Mo (AMS 5864/ AMS 5629/ UNS S13800)

Technical Data Sheet

13-8 stainless steel alloy is a martensitic precipitation-hardening stainless steel that has excellent strength, high hardness, superior toughness, and good corrosion resistance.

Compared to other ferrous-base materials alloy 13-8 Stainless Steel offers a high level of useful mechanical properties under severe environmental conditions.

Alloy 13-8 Stainless Steel uses: Aerospace components, landing gear, nuclear reactor components, petrochemical industry, injection molding equipment etc. Alloy 13-8 Stainless Steel in the annealed condition can be strengthened further by relatively low temperature heat treatment.

Chemical Composition Limits
Weight%	C	P	Si	Ni	Al	Fe	Mn	S	Cr	Mo	N
13-8 Mo	0.05 max	0.010 max	0.10 max	7.5-8.5	0.90-1.35	Bal	0.10 max	0.008 max	12.25-13.25	2.0-2.5	0.01 max

Typical Mechanical Properties

Material	Condition	Ultimate Tensile Strength (ksi)	0.2 % Yield Strength (ksi)	Elongation % in 2D	% Reduction of Area	Rockwell C Hardness
Alloy 13-8 Sheet AMS 5864	Cond A	-	-	-	-	38 max
Alloy 13-8 Sheet AMS 5864	H950	220	205	10	45	45
Alloy 13-8 Sheet AMS 5864	H1000	205	190	10	50	43
Alloy 13-8 Sheet AMS 5864	H1025	185	175	11	50	41
Alloy 13-8 Sheet AMS 5864	H1050	175	165	12	50	40
Alloy 13-8 Sheet AMS 5864	H1100	150	135	14	50	34
Alloy 13-8 Sheet AMS 5864	H1150	135	90	14	50	30

Material	Condition	Ultimate Tensile Strength (ksi)	0.2 % Yield Strength (ksi)	Elongation % in 2D	% Reduction of Area	Rockwell C Hardness
Alloy 13-8 Bar AMS 5629	Cond A	-	-	-	-	363 HB Max
Alloy 13-8 Bar AMS 5629	H950	220	205	10	45	45
Alloy 13-8 Bar AMS 5629	H1000	205	190	10	50	43
Alloy 13-8 Bar AMS 5629	H1025	185	175	11	50	41
Alloy 13-8 Bar AMS 5629	H1050	175	165	12	50	40
Alloy 13-8 Bar AMS 5629	H1100	150	135	14	50	34
Alloy 13-8 Bar AMS 5629	H1150	135	90	14	50	30

Availability
Alloy 13-8 Stainless Steel is available in Sheet, Plate, Strip, Bars (Round, Square, Flat, Hex), Wire, Forgings, Rings, Extrusions and Welding Wire. For all stock availability contact Sales.

Specifications

Bar	AMS 5629 Type 1, ASTM A 564 Grade XM13, ASME SA564 Grade XM13, DMS 2100, HMS 6 1105, HMS 6 1105 Exc Sonic, Sonic Per MIL STD 2154 Class A, STO 160 LBO 013
Plate	AMS 5864, ASTM A 564, ASME SA693
Wire	ASTM A 564, ASME SA564, AMS 5864
Sheet	ASTM A693, ASME SA693, AMS 5864
Strip	ASTM A693, ASME SA693
Forgings	ASTM A 705, ASME SA705
Rings	13-8 AMS 5629
Extrusions	13-8 AMS 5629

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.