Name: 439 Stainless Steel Bar
SKU: 0

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439 Stainless Steel Bar

439 stainless steel is a ferritic stainless steel with high amounts of chromium and low carbon content. This gives it excellent corrosion resistance, especially in environments where chloride ions exist.

Email：cong@jsygsteel.com

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product description

439 Stainless Steel Bar Description

439 stainless steel bars have a high chromium content that can prevent rust and corrosion in both wet and dry conditions. This makes them an ideal option in environments where moisture or chemicals exist. In addition, Good formability and weldability means they can be easily molded into different forms or sizes without sacrificing the structural integrity. This makes them applicable for a variety of manufacturing processes. However, 439 stainless steel bars are prone to corrosion in certain environments. Contact with substances containing chloride, such as salt water or harsh cleaners, can cause pitting and rust on the surface. For another, 439 stainless steel bars may not have the same level of strength and durability as other stainless steel bars. Although it is still a strong material, it may not perform well under heavy loads or stressful conditions.

Product Parameters

Product Name		439 Stainless Steel Bar
Type		Steel Bar
Outer Diameter	Round Bar	4mm-500mm
	Hexagon Bar	18mm-57mm (11/16″ to 2-3/4″)
	Square Bar	18mm-47mm (11/16″ to 1-3/4″)
	Flat Steel	1/2 "to 10", Thickness: 2mm-150mm, Can provide customized
Length		1-6 meters, Length can be customized
Standard		ASTM, AISI, JIS, GB, DIN, EN, etc.
Surface		Black, Bright Polished, Rough Turning, Mattness Surface Treatment, No. 4. BA, etc.
Scope of Application		Stainless steel bars are used in a variety of industries such as shipbuilding, Defense, Automotive, Textiles, Paper and pulp, Manufacturing, Cement, Heavy earthmoving equipment and construction, etc.

Chemical Composition

C	Si	Mn	Cr	S	P
≤ 0.03	≤1.0	≤1.0	17.0～19.0	≤ 0.03	≤ 0.04

Mechanical Properties

Tensile Strength Kb (MPa)	Yield Strength σ0.2 (MPa)	Elongation D5 (%)	Hardness
≥415	≥205	≥22	≤ 89HRB

Physical Performance

Density(g/cm³)	Dmodulus of Elasticity(Gpa)	Coefficient of Thermal Expansion(10-6/°C)	Coefficent of Yhermal Conductivity(W/m*K)	Resistivity(ΜΩ. cm)
7.60	210H	10.2	24.2	63

Factory Display

Mode Of Transport

FAQ

Q1: Are you a manufacturer or a trading company?
A: We are a professional metal products manufacturer based in Shandong, China, with our own production facilities and a strong supply chain. We specialize in carbon steel and stainless steel products, with over 100,000 tons of stock available year-round.

Q2: Where is your company located? Can I visit your factory?
A: Our company is located in Shandong, China. We welcome customers and partners from all over the world to visit our facilities. Please contact us in advance to arrange a visit.

Q3: What products does your company mainly supply?
A: We mainly supply carbon steel and stainless steel products in various forms, including plates, pipes, coils, bars, structural steel (H-beam, channel steel, angle steel), and customized metal components. We cover a full range of specifications to meet diverse customer needs.

Q4: Do you support OEM or customized orders?
A: Yes. We have years of experience in product customization. We can produce according to your drawings, samples, or specific technical requirements. Please contact us with your customization needs.

Q5: What material grades do you offer?
A: For carbon steel, we offer grades such as A36, S235JR, Q235, Q345, and more. For stainless steel, we offer 304, 304L, 316, 316L, 201, 430, and other common grades. Custom grades are available upon request.

Q6: How do you guarantee product quality?
A: Our factory operates under strict QA/QC standards. Every product is inspected during production and before shipment to ensure it meets agreed quality specifications. We can provide mill test certificates and accept thirdparty inspections upon request.