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.