Stainless Steel 431 Round Bars and Rods

Kanish Metals is a reliable supplier and manufacturer of Stainless Steel 431 Round Bars and Rods in Dubai, UAE. Stainless Steel 431 is martensitic steel that possesses high strength, hardness, and excellent corrosion and wear resistance. We provide 431 round bars and rods in different sizes and lengths to address the exact demands of industries like aerospace, automotive, and manufacturing. Through strict control of quality and precision manufacturing, our products provide durability, dependability, and high performance in even the most stringent applications.

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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?

Stainless Steel 431 has around 16-18% chromium content and 3-4% nickel content, offering a balance of corrosion resistance, strength, and wear resistance. The alloy has a high tensile strength (up to 75-95 ksi) and a hardness of generally between 350 and 450 HB, which makes it the best alloy for applications requiring both strength and resistance to wear. It is also resistant to corrosion in normal environments and can be heat treated for enhancing its mechanical properties, which provides excellent performance under severe conditions. The grade is also easily machinable and can be given a fine finish.

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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

Stainless Steel 431 Round Bars and Rods find extensive application in applications that demand superior mechanical strength and durability against wear and corrosion. The bars and rods are extensively applied in the automobile sector for parts like shafts, gears, and valves, and in aerospace for turbine components and actuators. They are utilized in manufacturing specialized equipment such as pumps, valves, and springs in which both corrosion resistance and durability are essential. Stainless Steel 431 finds use in particular in tools and parts of industrial machinery that are subject to high mechanical stress and need long-term dependability.

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Stainless Steel 431 Round Bars and Rods