Alloy Steel Round Bar

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Thabiso Steel, a reputable manufacturer and supplier located in Cape Town, South Africa, specializes in high-quality **Alloy Steel Round Bars** that are crafted for exceptional strength, durability, and precision in tough industrial and mechanical settings. These bars are produced to stringent standards, offering remarkable resistance to wear, corrosion, and mechanical stress, which ensures dependable performance in critical assemblies and structural components. Adhering to international quality standards, Thabiso Steel promises consistent mechanical performance and a long service life. Catering to sectors like automotive, construction, heavy machinery, and oil and gas, the company delivers Alloy Steel Round Bars that blend toughness, operational efficiency, and reliability throughout South Africa.

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Alloy Steel Bright Round Bars

Alloy Steel Polished Round Rods

Alloy Steel Cold Finished Round Bars

What is Alloy Steel Round Bar?

**Alloy Steel Round Bars** are made from high-strength alloy steel, featuring controlled amounts of carbon, chromium, molybdenum, and other alloying elements to boost hardness, tensile strength, and corrosion resistance. These bars showcase impressive yield and tensile strength, outstanding impact resistance, and dimensional stability even under heavy loads and fluctuating environmental conditions. Their fine-grain structure guarantees weldability, toughness, and long-lasting durability, making Alloy Steel Round Bars perfect for demanding mechanical, structural, and high-stress applications.

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Alloy Steel Round Bar Specification

Standard	ASTM A182, ASME SA182
Dimensions	EN, DIN, JIS, ASTM, BS, ASME, AISI
Round bar Size	Diameter: 3-~800mm
Hex Bar Size	2-100mm A/F
Square Bar Size	4 to 100mm
Angle Bar Size	3mm20mm20mm~12mm100mm100mm
Rectangular Bars Section	3.0 to 12.0mm thickness
Channel Bar	80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness
Hollow Bar	32mm OD x 16mm ID to 250mm OD x 200mm ID)
Threaded Bar Billet Size	1/2 to 495mm Diameter
Rectangular Size	33 x 30mm to 295 x 1066mm
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
Tolerance	H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
Surface	Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline
Condition	Hardened & tempered, annealed
Technique	Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod
Processing	Bar cutting to 650mm
Form	Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc.

Alloy Steel Round Bar Chemical Composition

Element	C	Cr	Mn	Mo	P	S	Si	Ni
F5	0.15 Max	4.0-6.0	0.30-0.60	0.44-0.65	0.035 Max	0.030 Max	0.50 Max	0.50 Max
F1	0.15 Max	3.0-5.0	0.30-0.60	0.40-0.50	0.035 Max	0.030 Max	0.50 Max	0.50 Max
F22	0.05-0.15	2.00-2.50	0.30-0.60	0.90-1.10	0.035 Max	0.040 Max	0.50 Max	–
F91	0.08-0.12	8.0-9.5	0.30-0.60	0.85-1.05	0.020 Max	0.010 Max	0.20-0.50	0.40 Max
F9	0.15 Max	8.0-10.0	0.30-0.60	0.90- 1.10	0.030 Max	0.030 Max	0.50- 1.00	–
F11	0.10-0.20	1.00-1.50	0.40-0.65	0.44-0.65	0.025 Max	0.040 Max	0.50-0.80	–

Alloy Steel Round Bar Mechanical Properties

Grade	Tensile Strength (ksi) min	Elongation (% in 50mm) min	Yield Strength 0.2% Proof (ksi) min
F9	415	30	205
F5	275	485	20

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We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

Alloy Steel Round Bar Size

US Bar		Metric		Japanese		Canadian/ASTM
Diameter(Inch)	Bar Size	Diameter (millimeter)	Bar Size	Diameter (millimeter)	Bar Size	Diameter (millimeter2)	Bar Size
0.250	#2	5	5	6	6	100	10M
0.375	#3	5.5	5.5	10	10	200	15M
0.500	#4	6	6	13	13	300	20M
0.625	#5	7	7	16	16	500	25M
0.750	#6	8	8	19	19	700	30M
0.875	#7	9	9	22	22	1000	35M
1.000	#8	10	10	25	25	1500	45M
1.125	#9	11	11	29	29	2500	55M
1.250	#10	12	12	32	32
1.375	#11	14	14	35	35
1.500	#12	16	16	38	38
1.625	#13	18	18	41	41
1.750	#14	20	20	44	44
1.875	#15	22	22	48	48
2.000	#16	25	25	51	51
2.250	#18	28	28	57	57
		32	32
		36	36
		40	40
		44	44
		50	50

Top Manufacturer and Supplier of Alloy Steel Round Bar in Cape Town, South Africa

ThabisoSteel is a top manufacturer and supplier of high-quality Alloy Steel Round Bar products in Cape Town, South Africa. Specializing in steel solutions, we provide a wide range of products, including Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel. Our offerings include Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates. Known for our reliable delivery and superior customer service, we are committed to offering top-tier steel materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your steel needs.

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Types of Alloy Steel Round Bar

Alloy Steel Hot-Rolled Round Bars

Cold Drawn Alloy Steel Round Bar

Alloy Steel Annealed Round Bars

Alloy Steel Ground Round Rod

Alloy Steel Pickled Surface Round Rods

Alloy Steel Round Bar

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Uses of Alloy Steel Round Bar

**Alloy Steel Round Bars** find extensive use in industries that require robust, durable, and high-performance components. They’re commonly utilized in automotive shafts, industrial machinery, construction equipment, pipelines, and heavy engineering frameworks. Moreover, they play a vital role in chemical plants, power generation systems, and mechanical assemblies where wear resistance, corrosion protection, and load-bearing capacity are crucial. The combination of mechanical strength, toughness, and long-term reliability ensures safe and efficient operation, making Alloy Steel Round Bars the go-to choice for industrial, structural, and high-stress applications.