Name: 439 Stainless Steel Pipe
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439 Stainless Steel Pipe

439 stainless steel is a ferritic stainless steel with 17-20% of chromium and low carbon content. This combination gives it excellent corrosion resistance, especially in environments where chloride ions are present.

Email：cong@jsygsteel.com

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product description

439 Stainless Steel Pipe Description

439 stainless steel pipe is highly recognized for its corrosion resistance. This stainless steel has a high chromium content, which helps prevent rust and corrosion in both wet and dry conditions. This makes it a practical option for use in environments where moisture or chemicals are present. In addition, 439 stainless steel also has good formability and weldability as it can be easily molded into different forms or sizes without affecting its structural integrity. This makes it versatile and suitable for various manufacturing processes. However, 439 stainless steel pipes are likely to be corroded in certain environments. Contact with chloride-containing substances, such as salt water or harsh cleaners, can cause pitting and rust on the surface. 439 stainless steel pipes may not have the same level of strength and durability as many other stainless steel. While it is still a strong material, it may not perform well under heavy loads or stressful conditions.

Product Parameters

Product Name		439 Stainless Steel Pipe
Type		Steel Pipe
Outer diameter	Round Tube	4mm-200mm
	Square Tube	1010mm-100100mm
	Rectangular Tube	1020mm-50100mm
Wall Thickness		0.6mm-6.0mm
Length		1-6 meters, Length can be customized
Standard		ASTM, AISI, JIS, GB, DIN, EN, etc.
Surface		Black, Bright Polished, Rough Turning, Matt Surface Treatment, No. 4. BA, etc.
Scope of Application		Common applications for stainless steel pipes include food processing, Textile operations, Breweries, Water treatment plants, Oil and gas processing, Fertilizers and pesticides, Chemical applications, Construction, Pharmaceuticals, Auto parts, etc.
Certificate		ISO, SGS, BV, etc.
Production Technology		Hot Rolling, Cold Rolling
Edge Processing		Edging, Trimming

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)	Modulus of Elasticity(Gpa)	Coefficient of Thermal Expansion(10-6/°C)	Coefficient of Thermal Conductivity(W/m*K)	Resistivity(ΜΩ. cm)
7.60	210	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.