OHNS Round Bar

Welcome to Maduka Metals, your trusted partner for industrial supplies right here in Abuja. We take pride in sourcing and providing top-quality materials that meet the rigorous demands of Nigeria’s growing manufacturing and engineering sectors. Among our core offerings is the reliable OHNS Round Bar, a high-grade steel known for its exceptional durability and strength, making it a fundamental component for workshops and projects that require unwavering performance and resilience.

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OHNS Round Bars

OHNS Hex Bars

OHNS Round Bar Cold Finish

The OHNS Round Bar is crafted from a specific blend of elements, including carbon, chromium, and tungsten, which gives it a distinct advantage. This composition is carefully balanced to deliver outstanding mechanical properties, most notably its high wear resistance and an impressive ability to retain hardness even when exposed to elevated temperatures. It’s this toughness and reliability that makes it a preferred choice for demanding tasks.

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OHNS Round Bars Specifications

Grade	OHNS Round Bar
Specification	aaaaaaaaaaaaa
OHNS Square bar size	4 to 100mm
OHNS Steel Hollow Bar	32mm OD x 16mm ID to 250mm OD x 200mm ID)
OHNS High Speed Steel Hex Bar size	2-100mm A/F
OHNS Angle bar size	3mm20mm20mm~12mm100mm100mm
OHNS Steel Rectangles Size	33 x 30mm to 295 x 1066mm
OHNS High Speed Steel Flat bar size	Thickness: 2 -100mm
OHNS High Speed Steel Flat bar size	Width: 10 to 500mm
OHNS Channel Bar	80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness
OHNS Steel Section	3.0 to 12.0mm thickness
OHNS High Speed Steel Round bar size	Diameter: 3-~800mm
OHNS Billet Size	1/2″ to 495mm Diameter
OHNS Steel Round Bar Standard Dimensions	Diameter / Height:
OHNS Surface	Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline
OHNS Steel Tolerance	H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
OHNS High Speed Steel Technique	OHNS Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod
OHNS Condition	Hardened & tempered, annealed
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
Form	OHNS Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square Bar, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc.
Processing	Bar cutting to 650mm
Our OHNS Round bar conforms to NACE MR0175/ISO 15156

Chemical Compositions of OHNS Round Bar

C	Si	Mn	P	S	Cr	W
0.85-1.00	0.15-0.35	1.00-1.20	0.030max	0.030max	0.50-0.70	0.50-0.70

OHNS Round Bars Mechanical Properties

Maximum Stress(N/mm²)	Yield Stress(N/mm²)	Elongation	Impact Strength (joule)	Hardness value (BHN)
950	465	10%	25	288

OHNS Round Bars Equivalent Grades

STANDARDS	100MnCrW4	O1	DIN 2510	AISI O1	AFNOR 90MWCV5	JIS SKS3

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OHNS Round Bars Types

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Frequently Asked Questions (FAQ)

How Are OHNS Round Bar Sized?

OHNS (Oil Hardened Non-Shrinking) round bars are sized based on their diameter, typically ranging from 6 mm to 300 mm, with standard lengths ranging from 3 meters to 6 meters.

What are the Different Types of OHNS Rod Available?

OHNS (Oil Hardened Non-Shrinking) rods are available in different grades, such as OHNS 1, OHNS 2, and OHNS 3, varying in hardness, toughness, and application suitability for manufacturing and toolmaking.

Can laser welding be used for OHNS Bar?

Yes, laser welding can be used for OHNS (Oil Hardened Non-Shrinking) bar, as it offers precision, minimal heat input, and controlled weld quality, making it suitable for hardenable tool steels.

OHNS Round Bars Uses

You’ll find the OHNS Round Bar hard at work in countless applications, especially where tools need to withstand significant abrasion and impact. It’s the ideal material for crafting punches, dies, and a variety of cutting tools used in metalworking and fabrication shops. Beyond that, its strength makes it perfect for critical components in machinery, automotive parts, and even certain types of blades, ensuring that essential equipment operates smoothly and lasts longer under challenging conditions.

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