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Stainless Steel 13-8 PH Round Bars

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Stainless Steel 13-8 PH Round Bars Specification

Material Composition %
Cr 12.25-13.25%, Ni 7.5-8.5%, Al 0.85-1.35%, Mo 2.0-2.5%, C max 0.05%

Recyclable
Yes

Corrosion Resistant
Excellent

Diameter
8 mm to 250 mm (available range)

Size
Customized / Standard sizes

Tensile Strength
min 1240 MPa (180 ksi) in H1000 condition

Product Form
Hot Rolled / Cold Finished

Hardness
38-44 HRC (Rockwell)

Coating Type
Uncoated / Pickled / Polished

Heat Resistance
Yes

Product Name
Stainless Steel 13-8 PH Round Bars

Steel Type
Precipitation Hardening Stainless Steel

Steel Product Type
Round Bar

Grade
13-8 PH

Thickness
Standard as per diameter

Shape
Round

Steel Standard
ASTM A564, AMS 5629

Surface
Bright, smooth

Composition
Cr-Ni-Al Stainless Steel with Precipitation Hardening Elements

Application
Aerospace, structural components, chemical processing, high-stress environments

Dimension (L*W*H)
Custom cut lengths, standard round bar diameters

Weight
Varies by diameter and length

Color
Silver/Grey Metallic

Material Grade
13-8 PH

Finish Type
Bright Polished / Smooth

Usage
Machining, Fabrication, High Strength Applications

Machinability
Good in solution treated condition

Elongation
min 10% in 50 mm

Bar Length
2 m to 6 m or as required by customer

Yield Strength
min 1170 MPa

Magnetism
Slightly magnetic in certain tempers

Condition Supplied
Solution Annealed (Condition A), H1000, H1150, Customized Heat Treatments

Density
7.8 g/cm

About Stainless Steel 13-8 PH Round Bars

What Are Specification Stainless Steel 13-8 PH Round Bars?

Specification :	ASTM A564 / ASME SA564
Standard :	EN, DIN, JIS, ASTM, BS, ASME, AISI
Round Bars :	Outside Diameter in the range of 4mm to 500mm
Hex Bar size :	2-100mm A/F
Bright Bars :	Outside Diameter in the range of 4mm to 100mm
Hex Bars :	18mm 57mm (11/16 to 2-3/4)
Square Bars :	18mm 47mm (11/16 to 1-3/4)
Finish :	Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Length :	1 to 6 Meters, Custom Cut Lengths
Form :	Round, Square, Hex (A/F), Rectangle Etc.

Equivalent material Of Stainless Steel 13-8 PH Round Bars?

Alloy	UNS Number	SAE Number
13-8 PH	UNS S13800

Chemical Composition Of Stainless Steel 13-8 PH Round Bars?

Cr	Ni	Mo	Al	N	Mn	Si	C	P	S
12.25 13.23%	7.50 8.50%	2.00 2.50%	0.90 1.35%	0.010%	0.10%	0.10%	0.05%	0.010%	0.008%

Mechanical Properties Of Stainless Steel 13-8 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

Exceptional Mechanical Properties

13-8 PH round bars boast a minimum yield strength of 1170 MPa and tensile strengths up to 1240 MPa in H1000 condition. Their unique composition of chromium, nickel, and aluminum grants not only remarkable strength but also excellent corrosion and heat resistance, ensuring performance in critical, high-stress applications. With a hardness range of 38-44 HRC, these bars remain reliable under varying mechanical demands.

Versatile Applications Across Industries

These round bars find widespread uses in aerospace manufacturing, chemical processing, and structural engineering, where resistance to corrosion and sustained mechanical strength are essential. Available in customizable diameters, lengths, and heat-treated conditions, 13-8 PH round bars can be tailored to meet specific requirements, making them versatile for precision machining, fabrication, and high-strength component production.

Superior Finish and Ease of Machining

With a bright, polished finish and smooth surface, 13-8 PH round bars offer excellent machinabilityespecially in the solution-treated condition. Their slightly magnetic properties and consistent dimensional tolerances support precision work, while the uncoated, pickled, or polished surfaces promote usability in various industrial processes. These features facilitate fabrication and ensure quality outcomes in high-performance environments.

FAQs of Stainless Steel 13-8 PH Round Bars:

Q: How are Stainless Steel 13-8 PH Round Bars supplied and processed?

A: The bars are available in solution annealed (Condition A), H1000, H1150, or custom heat-treated conditions. They are produced using hot rolled or cold finished methods to meet ASTM A564 and AMS 5629 standards, ensuring optimal mechanical properties for various applications.

Q: What makes 13-8 PH stainless steel suitable for high-stress applications?

A: Its compositioncombining chromium, nickel, and aluminumdelivers superior mechanical strength (minimum 1170 MPa yield), excellent corrosion resistance, and sustained hardness, making it ideal for aerospace, structural, and chemical environments where reliability under stress is crucial.

Q: When should customized heat treatments be selected for these round bars?

A: Customized heat treatments are recommended when specific mechanical properties, such as yield strength, hardness, or magnetism, are required for specialized industrial applications. Consulting with engineers allows tailoring the bars to project needs.

Q: Where are these round bars predominantly used?

A: Stainless Steel 13-8 PH round bars are mainly employed in aerospace components, structural frameworks, chemical process equipment, and other high-strength, corrosive, or heat-resistant environments.

Q: What diameters and lengths can be ordered for 13-8 PH round bars?

A: Customers can select bars in standard diameters from 8 mm to 250 mm, with lengths ranging from 2 m to 6 m. Custom sizes are also available based on specific project requirements, supporting flexibility in design and fabrication.

Q: How does the magnetic property of 13-8 PH round bars affect usage?

A: The bars are slightly magnetic in certain tempers, particularly after specific heat treatments. This property can be advantageous for certain industrial processes and does not compromise their mechanical or corrosion-resistant qualities.

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