15-5 Ph Round Bar and 15-5 Ph Rod

15-5 Ph Round Bar, Rod / Plate & 15-5 Ph Flat Bar Suppliers

Check Below 15-5 Ph Per Ams 5659, 15-5 Ph Ams 5862, Stainless Steel 15-5ph Round Bar Stockist - 15-5 Ph Din 15-5Ph Forgings, 15-5 Ph Heat Treatment & 15-5 Ph Stainless Steel Equivalent, 15-5 Ph Chemical Composition & 15-5 Ph Stainless Steel Properties.

Stainless Steel Grade 15-5 PH (UNS S15500)

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15-5 PH STAINLESS STEEL BAR & ROD

Stainless steel 15 – 5 PH, also known as XM-12 or UNS S15500, is a modification of 17-4 PH developed in the 1960s. It has a more refined microstructure obtained through the remelting process. This refined structure improves toughness of the material. UNS S15500 also has low temperature hardening, good fabrication properties and excellent corrosion resistance, which makes it suitable for many industries. It can be machined in the solution-annealed state or in final heat treat condition. The strength and ductility of UNS S15500 can be enhanced through heating the material at different temperatures.

UNS S15500 is a martensitic precipitation hardening type stainless steel. Martensitic stainless steels were designed to be corrosion resistant and hardened through heat treatment.

15-5 is a variant of the older 17-4 chromium-nickel-copper precipitation hardening stainless steel. Both alloys exhibit high strength and moderate corrosion resistance. High strength is maintained to approximately 600 degrees F. The 15-5 alloy was designed to have greater toughness than 17-4. This improved toughness is achieved by reduced delta ferrite content and control of inclusion size and shape.

Applications:

• Aircraft components
• High pressure corrosive fabricated parts such as valves
• Shafts
• Fasteners
• Fittings and gears

Typical Chemical Requirements

15-5 PH Stainless Steel Condition A (annealed)
Minimum Properties
Ultimate Tensile Strength, psi	161,000
Yield Strength, psi	140,000
Elongation	7.6%
Rockwell Hardness	C35
15-5 PH Bar Chemistry
Iron (Fe)	71.91 - 79.85%
Carbon (C)	0.07% max
Chrome (Cr)	14 - 15.5%
Manganese (Mn)	1% max
Niobium (Nb) + Tantalum (Ta)	0.15 - 0.45% max
Nickel (Ni)	3.5 - 5.5%
Phosphorus (P)	0.04% max
Sulphur (S)	0.03% min
Silicon (Si)	1% max

HEAT TREATMENT

15 – 5 PH is normally supplied in the solution-treated condition, condition A. It may be hardened by heating solution-treated material to a temperature of 900ºF (480ºC) to 1150ºF (620ºC) for one to four hours, depending upon the temperature, then air cooling.

SOLUTION TREATMENT

Heat at 1900ºF (1040ºC) +/- 25ºF (14ºC) for 1/2 hr., cool to below 90ºF (32ºC) so that complete transformation to martensite takes place. Sections under 3″ (76mm) can be oil quenched, sections over 3″ (76mm) should be rapidly air cooled. Material should not be used in the solution-treated condition, due to poor toughness, poor impact strength and susceptibility to stress-corrosion cracking.

FORGING

Stock should be uniformly heated to 2150/2200ºF (1180/1205ºC) and held for 1 hour before forging. Material should not be forged below 1850 º F (1010ºC.)

For optimum grain size and mechanical properties forged material should be air cooled to below 90ºF (32ºC) prior to further processing. Material must be solution treated before hardening.

WELDABILITY

This grade may be satisfactorily welded by the shielded fusion and resistance welding processes. Oxyacetylene welding is not recommended due to the possibility of carbon pickup. Weld joints should be designed so as to minimize stresses.

Welding in the solution-treated condition is normally satisfactory, but if high welding stresses are anticipated it may be best to weld in the H1150, overaged condition. Preheating is not normally required.

Typical Mechanical Properties

Material	Condition	Ultimate Tensile Strength (ksi)	0.2 % Yield Strength (ksi)	Elongation % in 2D	% Reduction of Area	Rockwell C Hardness
Alloy 15-5 PH Bar AMS 5659	Cond A	-	-	-	-	363 HB max
Alloy 15-5 PH Bar AMS 5659	H900	190	170	10	35	388-444
Alloy 15-5 PH Bar AMS 5659	H925	170	155	10	38	375-429
Alloy 15-5 PH Bar AMS 5659	H1025	155	145	12	45	331-401
Alloy 15-5 PH Bar AMS 5659	H1075	145	125	13	45	311-375
Alloy 15-5 PH Bar AMS 5659	H1100	140	115	14	45	302-363
Alloy 15-5 PH Bar AMS 5659	H1150	135	105	16	50	277-352

 

Material	Condition	Ultimate Tensile Strength (ksi)	0.2 % Yield Strength (ksi)	Elongation % in 2D	% Reduction of Area	Rockwell C Hardness
Alloy 15-5 PH Sheet/Plate AMS 5862	Cond A	-	-	-	-	38 max
Alloy 15-5 PH Sheet/Plate AMS 5862	H900	190	170	5	-	40-47
Alloy 15-5 PH Sheet/Plate AMS 5862	H925	170	155	5	-	38-45
Alloy 15-5 PH Sheet/Plate AMS 5862	H1025	155	145	5	-	35-42
Alloy 15-5 PH Sheet/Plate AMS 5862	H1075	145	125	5	-	33-39
Alloy 15-5 PH Sheet/Plate AMS 5862	H1100	140	115	5	-	32-38
Alloy 15-5 PH Sheet/Plate AMS 5862	H1150	135	105	8	-	28-37

Specifications
15-5 ESR to the following specifications:
AMS 5659 TYPE 2 
ASTM-A-484
UNS-S15500
 
15-5 PH VAC MELT to the following specifications:
AMS 5659 TYPE 1
ASTM-A-484
 
15-5 VM COND H-1025 to the following specifications
AMS-5659 T-1 (COND H-1025)
AMS-H-6875
ASTM-A-484
ASTM-A-564 TYPE XM-12 (COND H-1025)
 
15-5 VM COND H-1050 to the following specifications
AMS-5659 T-1 (EXC. COND)
AMS-H-6875
ASTM-A-484
ASTM-A-564 TYPE XM-12 (EXC. COND)
BAC-5619 (150-170 MIN. TENS.)
  
AMS 5862 Sheet, Strip and Plate. 
AMS 5826 Welding Wire
UNS : S15500

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