Type 15-5

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SPECIFICATION DATA SHEET: 15-5 Stainless Steel

BAR	TUBE	PIPE
PSQ SHAFT	WELDING ROD	CASTINGS
FORGINGS	PLATE	FLANGES
TG&P SHAFTS	SHEET	FITTINGS

Stainless Steel 15-5

Specifications

The following specifications cover Stainless Steel 15-5

AMS 5659
AMS 5826
AMS 5862
ASTM A564 (XM-12)
ASTM A693 (XM-12)
ASTM A705 (XM-12) (Forging - Open Die)
UNS S15500

Related Metals:

15-5PH (tm)
AL 15-5 (tm)
Carpenter 15Cr-5Ni (tm)

Chemistry Data :

Carbon	0.07 max
Chromium	14 - 15.5
Copper	2.5 - 4.5
Iron	Balance
Manganese	1 max
Nickel	3.5 - 5.5
Niobium	0.15 - 0.45
Phosphorus	0.04 max
Silicon	1 max
Sulphur	0.03 max

Principal Design Features This is a martensitic, precipitation hardening, chromium-nickel-copper stainless steel. The alloy combines good strength, transverse toughness and ductility, hardness capability and corrosion resistance compared with 304 stainless. It may be used in the solution treated condition or heat treated to obtain a wide variety of properties.

Applications Aircraft components, fabricated parts in high pressure corrosive environments including valves, shafts, fasteners, fittings and gears.

Machinability This alloy may be machined in any of the attainable conditions, however machining in H1150M will yield best tool life.

Forming This alloy is capable of being only mildly formed. If forming is required, do so in the overaged condition for best results.

Welding Resistance methods or shielded fusion is recommended. Use AWS E/ER630 for filler metal.

Heat Treatment CONDITION A--Soak at 1900 F(1038 C) for 1/2 hour, air cool. CONDITION H 900--Soak Condition A material at 900 F(482 C) for 1 hour, air cool. CONDITION H 925, H 1025, H1075, H 1100, H 1150--Soak Condition A material at desired temperature for 4 hours, air cool. CONDITION H 1150M--Soak Condition A material at 1400 F(760 C) for 2 hours, air cool. Heat to 1150F(621 C) for 4 hours, air cool.

Hot Working This alloy works well in all common hot working procedures. Material should be annealed after hot working for best heat treat response.

Cold Working Cold work is restricted only by this alloys high initial yield strength. The alloy is not favored for cold working but can be moderately formed.

Annealing 1900 F (1038 C) for 1 hour, rapid cooling. Also known as " solution treating."

Physical Data :

Density (lb / cu. in.) 0.285

Specific Gravity 7.8

Specific Heat (Btu/lb/Deg F - [32-212 Deg F]) 0.11

Modulus of Elasticity Tension 29

Mechanical Data :

There is no Mechnical data available for this grade.