Maraging Steel C250 Round Bar

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Maraging Steel C250 Round Bar Specification

Diameter
4 mm to 350 mm

Length
100 mm to 6000 mm

Finish
Polished, Bright

Technique
Hot Rolled / Cold Drawn

Tolerance
H9, H11, or as per request

Specific Use
High strength and toughness applications

Application
Aerospace, tooling, defense, machinery, die casting, and high-performance structural components

Standard
ASTM, AMS, DIN, EN, UNS K92890

Material
Maraging Steel C250

Processing
Solution Annealed, Aged

Type
Round Bar

Grade
C250

Yield Strength
~1700 MPa after aging

Density
8.0 g/cm

Ultimate Tensile Strength
~1900 MPa

Surface Condition
Peeled, Polished, Turned

Corrosion Resistance
Medium

Delivery Condition
Solution Treated & Aged

Formability
Good, suitable for machining and forming

Hardness
Up to 55 HRC after aging

Melting Point
1413C

Elongation at Break
8-10%

About Maraging Steel C250 Round Bar

What Are Specification Maraging Steel C250 Round Bar?

Flat Bar Size	Width: 10 to 500mm
Standard	AMS 6512, MIL-S-46850, ASTM A538
Dimensions	DIN, EN, ASTM, JIS, ASME, BS, AISI
Round Bar Size	Diameter: 3-~800mm
Flat Bar Size	Thickness: 2 -100mm
Square Bar Size	4 to 100mm
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	Cold Drawn, Hot Rolled, Forged Round Bar,Cold Rolled, Rod
Processing	Bar cutting to 650mm
Form	Rod, Round, Flat Bar, Square, Round Rod, Forging etc.

Equivalent material Of Maraging Steel C250 Round Bar?

Alloy Name	Trade Name	UNS No.	British Specs	American Specs	German Specs
Maraging 250	Udimar 250 Maraging C250 Vascomax C250	UNS K92890	BS S162	AMS 6512 Bar MIL-S-46850 Type 3	Werkstoff 1.6359

Chemical Composition Of Maraging Steel C250 Round Bar?

Weight%	Ni	Co	Mn	Si	C	Al	Mo	S	P	Ti	Fe	Cr	Cu
C250	17.0 / 19.0	7.0 / 8.5	0.10 max	0.10 max	0.03 max	0.05 / 0.15	4.6 / 5.2	0.010 max	0.010 max	0.3 / 0.5	Bal	0.50	0.50

Mechanical Properties Of Maraging Steel C250 Round Bar?

Material	Condition	Ultimate Tensile (min)		Yield Strength (Min)		Elongation in 4D % (min)	Hardness
Material	Condition	Mpa	Ksi	Mpa	Ksi	Elongation in 4D % (min)	Hardness
Alloy Maraging C250	After Maraging heat treatment 900F	1758	255	1724	250	6	48 HRC

Precision and Performance in Every Bar

Maraging Steel C250 Round Bars are engineered to meet rigorous performance requirements, offering high yield and tensile strengths post-aging. The combination of good ductility and toughness, even at high hardness, makes them exceptionally reliable for structural components in critical industries like aerospace, defense, and tooling.

Versatile Finishes and Customization Options

Available in peeled, polished, and turned surface finishes, these round bars meet diverse application needs. Customers can select from a wide range of diameters, lengths, and tolerances (H9, H11, or tailored), ensuring each bar fits the required mechanical and dimensional criteria for specific projects.

Superior Processing and Quality Standards

Manufactured with advanced hot rolled or cold drawn techniques, the bars undergo solution annealing and aging for optimal properties. Compliance with ASTM, AMS, DIN, EN, and UNS K92890 demonstrates their industry-standard reliability. Each bar undergoes stringent quality checks and is delivered in a solution-treated and aged condition.

FAQs of Maraging Steel C250 Round Bar:

Q: How is Maraging Steel C250 Round Bar processed to achieve its mechanical properties?

A: Maraging Steel C250 Round Bar undergoes solution annealing followed by aging heat treatment. This process enhances its strength, hardness, and toughness, yielding a hardness up to 55 HRC and tensile strength around 1900 MPa, making it suitable for demanding applications.

Q: What applications is Maraging Steel C250 Round Bar commonly used for?

A: This round bar is widely utilized in aerospace structures, tooling, defense equipment, high-performance machinery, die-casting components, and other applications requiring high strength, toughness, and reliable dimensional stability.

Q: When should Maraging Steel C250 be chosen over conventional alloy steels?

A: Maraging Steel C250 is selected when high yield and tensile strengths, excellent toughness after aging, and good machinability are essential, especially in situations demanding precise tolerances and reliable performance under stresssuch as aerospace or precision tool manufacturing.

Q: Where is Maraging Steel C250 Round Bar manufactured and supplied from?

A: These bars are produced and exported by reputable manufacturers, suppliers, and traders in India, adhering to global standards like ASTM, AMS, DIN, EN, and UNS K92890 for consistent quality and performance.

Q: What benefits does the polished or turned finish provide?

A: A polished or turned surface delivers smoother finishes, reducing friction and wear in moving parts, and enhances dimensional accuracy. It also improves aesthetics and may facilitate improved corrosion resistance compared to rougher surfaces.

Q: How is Maraging Steel C250 Round Bar delivered and what tolerances are available?

A: The bars are delivered in a solution treated and aged condition, ready for machining or forming. Standard tolerances include H9, H11, or custom requirements, ensuring compatibility with precise engineering needs.

Q: What is the corrosion resistance level of Maraging Steel C250 and is additional protection recommended?

A: Maraging Steel C250 provides medium corrosion resistance, which suffices for many applications. However, if used in highly corrosive environments or for extended outdoor exposure, supplementary protective coatings or regular maintenance may be advisable.

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