Stainless Steel 431 Round Bars and Rods

Sadiki Metals, based in Kinshasa, Congo, stands out as a top manufacturer and supplier of high-quality Stainless Steel 431 Round Bars and Rods. The company has built a solid reputation for its precision engineering, cutting-edge manufacturing techniques, and strict adherence to international quality standards. These Stainless Steel 431 Round Bars and Rods are crafted to provide exceptional strength, toughness, and moderate resistance to corrosion, even in tough conditions. With a strong focus on reliability and performance, Sadiki Metals caters to various industries, including marine, aerospace, automotive, and construction, delivering robust stainless steel solutions throughout Africa and the global industrial market.

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Stainless Steel 431 Round Bars

Stainless Steel 431 Hex Bars

SS Round Bar 431 Cold Finish

What is 431 Stainless Steel Round Bars and Rods?

The Stainless Steel 431 Round Bars and Rods from Sadiki Metals are mainly made up of iron, chromium, and nickel, with a touch of carbon and manganese to boost hardness and strength. This martensitic stainless steel boasts high tensile and yield strength, outstanding toughness, and solid resistance to heat and oxidation. It can be hardened through heat treatment, enhancing its mechanical performance and wear resistance. The alloy’s well-balanced composition guarantees durability, machinability, and polishability, making it perfect for applications that require strength, precision, and protection against corrosion.

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431 Stainless Steel Round Bars and Rods Specifications

Stainless Steel Round Bar Specification : ASTM A276 / A479, ASME SA276 / A479
Dimension Standard : EN, DIN, JIS, ASTM, BS, ASME, AISI
Size : 14mm-300mm
Thickness : 50 mm to 6000 mm Long
Length : 1 To 6 Meters, Custom Cut Length
Form : Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc.

Chemical Compositions of 431 Stainless Steel Round Bars and Rods

431	Max	Min
C	0.20	–
Cr	17.00	15.00
Fe	Balance	–
Mn	1.00	–
Ni	2.50	1.25
P	0.040	–
S	0.030	–
Si	1.00	–

431 Stainless Steel Round Bars and Rods Mechanical Properties

Typical Mechanical Properties at Elevated Temperatures, Hardened at 1010oC and Tempered at 30oC Above Working Temperature
Tempering Temperature oC		510	570	620
Working Temperature oC		480	540	590
Tensile Strengt Mpa		1350	720	435
Elongation in 50mm %		15	20	26
Room Temperature Hardness after Test	HB	440	330	280
	Rc	47	37	30

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Equivalent Table of SS 431 Round Bars and Rods

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
Grade	UNS No	BS	En	No	Name	Swedish SS	Japanese JIS
431	S43100	431S29	57	1.4057	X17CrNi16-2	2321	SUS 431

Physical Properties of 431 Stainless Steel Round Bar

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Coefficient of Thermal Expansion (μm/m/°C)			Thermal Conductivity (W/m.K)		Specific Heat 0-100°C (J/kg.K)	Electrical Resistivity (nΩ.m)
			0-100°C	0-315°C	0-538°C	at 100°C	at 500°C
431	7800	200	10.2	12.1	–	20.2	–	460	720

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431 SS Round Bars and Rods Types

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Frequently Asked Questions (FAQ)

Can Stainless Steel 431 Round Bars/Rod Be Used At High Temperatures?

Yes, Stainless Steel 431 Round Bars/Rods can be used at high temperatures, offering good oxidation and scaling resistance up to 600°F (316°C), making them suitable for moderate temperature applications.

Can Stainless Steel 431 Round Bars/Rod Be Recycled After Use?

Yes, Stainless Steel 431 Round Bars/Rods are fully recyclable. Being a type of stainless steel, they can be melted down and repurposed without losing their inherent properties, contributing to sustainability.

Can Stainless Steel 431 Round Bars/Rod Be Welded?

Yes, Stainless Steel 431 Round Bars/Rods can be welded, although preheating and post-weld heat treatment are recommended to prevent cracking and maintain the material's mechanical properties.

431 Stainless Steel Round Bars and Rods Uses

These Stainless Steel 431 Round Bars and Rods find their place in industries that require a blend of high strength, toughness, and moderate corrosion resistance. They’re commonly used in marine fittings, pump shafts, valve components, aircraft parts, and fasteners. Thanks to their impressive mechanical properties, they are ideal for automotive, petrochemical, and engineering applications that face stress and temperature fluctuations. Additionally, they play a vital role in industrial machinery and construction projects, where precision and reliability are key. With their remarkable durability and versatility, Stainless Steel 431 Round Bars and Rods ensure consistent performance in both mechanical and structural applications.

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Stainless Steel 431 Round Bars and Rods