OHNS Round Bar

Chuck Metals stands out as a reliable manufacturer and supplier based in Singapore, Pulau Ujong, specializing in top-notch OHNS (Oil Hardening Non-Shrinking) Round Bars. These bars are celebrated for their outstanding performance in tool-making and engineering applications. Known for their impressive wear resistance, excellent toughness, and ability to maintain their shape during heat treatment, OHNS Round Bars are crafted to meet international quality standards. Chuck Metals guarantees precise dimensions, a superior surface finish, and dependable mechanical properties, making these bars perfect for industries that require durability, precision, and a long lifespan even in tough conditions.

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OHNS Round Bars

OHNS Hex Bars

OHNS Round Bar Cold Finish

The composition of OHNS Round Bars includes carbon, manganese, chromium, and tungsten, all balanced with alloying elements that enhance hardenability and wear resistance. They boast high tensile strength, good impact toughness, and minimal distortion post-heat treatment, which allows for accurate machining and consistent performance in demanding tooling applications.

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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

These Round Bars find extensive use in creating dies, punches, gauges, cutting tools, knives, shear blades, and other components that need to withstand wear. Their ability to maintain hardness at high temperatures, along with their machinability before hardening, makes them a go-to choice in automotive, metalworking, construction, and heavy engineering sectors where precision and strength are paramount.

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