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Stainless Steel 15-5 PH Round Bars

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Stainless Steel 15-5 PH Round Bars Specification

Coating Type
None (Standard finish)

Recyclable
Yes

Diameter
6 mm to 300 mm

Material Composition %
Cr 14-15.5%, Ni 3.5-5.5%, Cu 2.5-4.5%, C max 0.07%, Mn max 1%, Si max 1%, P max 0.04%, S max 0.03%

Product Form
Round Bar

Corrosion Resistant
Yes, good resistance

Size
Customizable as per order

Heat Resistance
Up to 600C

Hardness
28-44 HRC (varies with heat treatment)

Tensile Strength
Up to 1380 MPa (200 ksi)

Product Name
Stainless Steel 15-5 PH Round Bars

Steel Type
Stainless Steel

Steel Product Type
Round Bar

Grade
15-5 PH

Thickness
As per requirement

Shape
Round

Steel Standard
ASTM A564 / AMS 5659

Surface
Bright / Polished / Peeled

Composition
Fe, 15% Cr, 5% Ni, 3.5% Cu, 0.07% C, balance other elements

Application
Aerospace, Chemical Processing, Mechanical Components, Nuclear Reactor Components, Marine Applications

Dimension (L*W*H)
Custom / As Required

Weight
As per Size & Length

Color
Silver / Metallic

Material Grade
15-5 PH

Finish Type
Bright, Polished, Peeled

Usage
Engine Parts, Valves, Shafts, Fasteners, Fittings

About Stainless Steel 15-5 PH Round Bars

What Are Specification Stainless Steel 15-5 PH Round Bars?

Dimensions	DIN, EN, ASTM, JIS, ASME, BS, AISI
Round bar size	Diameter: 3-~800mm
Flat bar size	Thickness: 2 -100mm
Flat bar size	Width: 10 to 500mm
Angle bar size	3mm20mm20mm~12mm100mm100mm
Channel Bar	80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness
Rectangular Bars Section	3.0 to 12.0mm thickness
Billet Size	1/2 to 495mm Diameter
Rectangles Size	33 x 30mm to 295 x 1066mm
Hollow Bar	32mm OD x 16mm ID to 250mm OD x 200mm ID)
Dimensions	Diameter / Height:
Tolerance	H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients requirements
Finish	Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black
Surface	Hot Rolled Pickled, Bright, Sand Blasting Finished, Cold Drawn, Hairline,Polished
Condition	Hardened & tempered, annealed
Technique	Stainless Steel Cold Drawn, Hot Rolled, Forged Round Bar,Cold Rolled, Rod
Processing	Bar cutting to 650mm
Form	Rod, Round, Channel Bar, T-Bar, Flat Bar, Precision Ground Bar, Blocks, Square, Rings, Round Rod, Triangle, Hollow, Rectangle, Threaded, Hex (A/F), Profiles, Half Round Bar, Ingot, Billet, I/H Bar, Forging etc.

Equivalent material Of Stainless Steel 15-5 PH Round Bars?

STANDARD	WERKSTOFF NR.	UNS
SS 15-5PH	1.4545	S15500

Chemical Composition Of Stainless Steel 15-5 PH Round Bars?

Grade	C	P	Si	Ni	Al	Fe	Mn	S	Cr	Cb+Ta
SS 15-5PH	0.07	0.04	1.0	3.5 5.5		Bal	1.0	0.03	14.0 15.5	0.15 0.45

Mechanical Properties Of Stainless Steel 15-5 PH Round Bars?

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

Superior Mechanical Properties

15-5 PH stainless steel round bars combine high tensile and yield strengths with good elongation properties, providing reliability in demanding environments. Heat treatment options from H900 to H1150 allow further customization of mechanical performance, making these bars versatile for both load-bearing and impact-resistant uses.

Versatile Manufacturing and Finishing

Manufactured via both hot rolling and cold drawing, these round bars undergo solution annealing before optional precipitation hardening. The product comes in multiple finishes, such as bright, polished, and peeled, ensuring both aesthetic appeal and surface integrity according to varied application needs.

Extensive Industrial Applications

Thanks to their strength, corrosion resistance, and thermal stability, 15-5 PH round bars are ideal for aerospace, marine, nuclear, and chemical processing sectors. Commonly used in engine parts, valves, shafts, fasteners, and fittings, their adaptability extends across industries requiring robust and durable materials.

FAQs of Stainless Steel 15-5 PH Round Bars:

Q: How are Stainless Steel 15-5 PH Round Bars manufactured?

A: 15-5 PH round bars are produced via hot rolling or cold drawing, followed by solution annealing. They may undergo further heat treatment (H900H1150) to enhance mechanical properties. Finishes include bright, polished, or peeled, depending on the requirement.

Q: What benefits does the H900H1150 heat treatment provide?

A: H900H1150 heat treatment improves mechanical strength, hardness, and corrosion resistance of 15-5 PH round bars. It allows customization of hardness (2844 HRC) and yield strength (at least 1060 MPa at H900) for specific applications.

Q: When should I consider using 15-5 PH round bars over other stainless steels?

A: Choose 15-5 PH round bars when high strength, good machinability, corrosion resistance, and heat stability up to 600C are requiredespecially in aerospace, marine, and mechanical components where critical performance is essential.

Q: Where are 15-5 PH stainless steel round bars typically used?

A: These round bars are widely used in aerospace, mechanical, chemical processing, nuclear reactor, and marine industries. Common applications include shafts, valves, fasteners, engine parts, and various fittings.

Q: What is the process for customizing the size and finish of these round bars?

A: Sizes and dimensions can be tailored as per customer requirements, with available diameters ranging from 6 mm to 300 mm. Surface finishes can be bright, polished, or peeled based on the intended use or client specifications.

Q: What makes 15-5 PH round bars beneficial for marine and chemical environments?

A: Their excellent corrosion resistance, high strength, and heat resistance make them exceptionally suited for harsh marine and chemical processing environments, ensuring durability and longevity.

Q: How does the machinability and weldability of 15-5 PH compare to other stainless steels?

A: 15-5 PH offers good machinability, similar to that of 304 stainless steel, and can be welded using standard procedures, making fabrication and installation more convenient for manufacturers and end users.

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