Stainless Steel 431 Round Bars and Rods

Phehlukwayo Metal, located in Cape Town, South Africa, is a reliable manufacturer and supplier of top-notch Stainless Steel 431 Round Bars and Rods. Known for their impressive strength, outstanding toughness, and resistance to corrosion, these round bars and rods are designed to perform consistently in tough industrial settings. Phehlukwayo Metal takes pride in their precision manufacturing, heat treatment, and rigorous quality control, ensuring that their products deliver dependable performance and durability. Their Stainless Steel 431 Round Bars and Rods are perfect for applications that demand accuracy, wear resistance, and strength, making them popular choices in the aerospace, automotive, marine, chemical processing, and general engineering industries

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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?

These Stainless Steel 431 Round Bars and Rods are primarily made of iron, featuring 15–17% chromium, 2–2.5% nickel, 0.2–0.3% carbon, along with trace amounts of manganese and silicon. This martensitic stainless steel offers high tensile strength, remarkable hardness, and solid corrosion resistance. In terms of mechanics, 431 Round Bars and Rods boast tensile strength ranging from 860 to 1000 MPa, high yield strength, and sufficient ductility, making them ideal for precision components and high-stress applications that require durability and reliability.

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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

You’ll find Stainless Steel 431 Round Bars and Rods commonly used in the production of shafts, fasteners, pump components, valve parts, and structural machinery elements. Their unique blend of strength and corrosion resistance makes them perfect for marine, automotive, aerospace, and chemical processing applications. They also excel in high-stress environments where wear resistance, fatigue strength, and dimensional stability are crucial. With Phehlukwayo Metal’s Stainless Steel 431 Round Bars and Rods, you can expect long-lasting performance, dependable durability, and consistent quality, making them a top choice for essential industrial and engineering applications.

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Stainless Steel 431 Round Bars and Rods