Stainless Steel Tube

Q: How to Maintain Stainless Steel Tubes?

Maintenance of stainless steel tubes typically involves regular cleaning using mild detergent and water, avoiding exposure to corrosive substances, and periodic inspection for signs of damage or corrosion.

Q: What Factors Affect the Selection of Stainless Steel Tubes?

Factors such as temperature, pressure, corrosion resistance, mechanical stress, and application requirements influence the selection of stainless steel tubes.

Q: What are the Common Grades of Stainless Steel Used in Tubes?

Common grades of stainless steel used in tubes include 304, 316, 316L, 321, and 347, each offering different properties and suitability for specific applications.

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Stainless Steel Tube Manufacturer, Supplier, and Exporter in Auckland, New Zealand.

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Stainless Steel Tubesare remarkably adaptable and hard-wearing, serving a role across many industrial and commercial environments. Celebrated for their corrosion resistance, notable strength, and refined look, these tubes are ideal for moving fluids and gases throughout diverse industries, such as automotive, construction, food processing, and aerospace. Whether offering structural support, enabling heat exchange, or lending aesthetic flourishes to architectural designs, stainless steel tubes reliably provide dependability and enduring performance, securing them a preferred standing across many sectors.

Stainless Steel Tubes Specifications

Dimensions	:	ASTM, ASME and API
Standard	:	ASTM / ASME SA213
Size	:	1/8″NB TO 30″NB IN
Specialized in	:	Large Diameter Size
Schedule	:	SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Form	:	Round, Square, Rectangular, Hydraulic Etc
Type	:	Seamless
Length	:	Single Random, Double Random & Cut Length.
End	:	Plain End, Beveled End, Threaded

Stainless Steel Tubes Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
SS 304	0.08 max	2 max	0.75 max	0.045 max	0.030 max	18 – 20	–	8 – 11	0.10 max
SS 304L	0.035 max	2.0 max	1.0 max	0.045 max	0.03 max	18 – 20	–	8 – 13	–
SS 316	0.08 max	2.0 max	1.0 max	0.045 max	0.030 max	16.00 – 18.00	2.00 – 3.00	11.00 – 14.00	0.10 max
SS 316L	0.035 max	2.0 max	1.0 max	0.045 max	0.030 max	16.00 – 18.00	2.00 – 3.00	10.00 – 14.00	68.89 min
SS 904L	0.020 max	2.00 max	1.00 max	0.040 max	0.030 max	19.00 – 23.00	4.00 – 5.00 max	23.00 – 28.00	–

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Stainless Steel Tubes Mechanical Properties

Grade	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
SS 304	8.0 g/cm3	1400 °C (2550 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %
SS 316	8.0 g/cm3	1400 °C (2550 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %
SS 904L	7.95 g/cm3	1350 °C (2460 °F)	Psi – 71000 , MPa – 490	Psi – 32000 , MPa – 220	35 %

Top Stainless Steel Tubes Manufacturing Company in Auckland

At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering innovative solutions for all your piping requirements. With advanced production facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.

Reach out to us for a fast quote tailored to your requirement.

These Stainless Steel Tubes are supplied by us in accordance with DIN, ISO, JIS or ANSI Standard.

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Advantages of Stainless Steel Tubes

Corrosion Resistance: Stainless steel tubes provide outstanding protection against corrosion, which makes them well-suited for use in corrosive settings where other materials might deteriorate as time passes.
High Strength: These tubes have remarkable strength, enabling them to bear heavy loads and endure high-pressure situations without bending or breaking.
Aesthetic Appeal: Stainless steel tubes feature a smooth and contemporary look, bringing a sense of sophistication to architectural designs and structural applications.
Hygienic Properties: Stainless steel is non-porous and simple to clean, which makes stainless steel tubes perfect for use in sectors where cleanliness is critical, like food processing and pharmaceuticals.
Low Maintenance: Owing to their resistance to corrosion and long-lasting nature, stainless steel tubes need very little upkeep, cutting down on downtime and maintenance expenses throughout their lifespan.
Versatility: Stainless steel tubes are adaptable and can be shaped into a range of forms and dimensions to fit various applications, from structural support to fluid transport.

Types of Stainless Steel Tubes

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Stainless Steel Tubes Uses

Application Industry

Stainless Steel Tube applications are as varied as the industries that use them, led mainly by the aerospace, railway, construction and automotive sectors along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.

Oil & Gas Industry

Aviation Industry

Petro Chemical Industry

Power Generation Industry

Structural Support: Owing to their considerable strength and durability, stainless steel tubes are frequently employed in construction to deliver structural support across buildings, bridges, and other infrastructure projects.
Fluid Transport: With their corrosion resistance and capacity to endure high-pressure conditions, stainless steel tubes are well suited for conveying liquids and gases across numerous industries, such as oil and gas, chemical processing, water treatment, and pharmaceuticals.
Heat Exchangers: In heat exchanger systems, stainless steel tubes are extensively applied to transfer heat between fluids in an efficient and reliable manner, rendering them vital parts of HVAC systems, refrigeration units, and industrial processes.
Automotive Industry: Because they resist corrosion, high temperatures, and mechanical stress, stainless steel tubes are used within the automotive industry to produce exhaust systems, fuel lines, and structural components.
Aerospace and Aviation: Within the aerospace and aviation sectors, stainless steel tubes serve in the fabrication of aircraft components, hydraulic systems, and fuel lines, where lightweight materials offering high strength and corrosion resistance are indispensable.
Medical Devices: Thanks to their biocompatibility, sterilizability, and corrosion resistance, stainless steel tubes are used in the medical industry to produce surgical instruments, medical implants, and diagnostic devices.
Food Processing: Owing to their hygienic qualities, corrosion resistance, and easy cleaning, stainless steel tubes are put to use in the food and beverage industry for conveying and processing food products.
Architectural Applications: In architectural projects, stainless steel tubes are applied to form decorative features, handrails, facades, and structural elements, lending buildings and public spaces a modern and elegant touch.

How to Choose the Right Stainless Steel Tube

Identify Application Requirements: Identify the particular needs of your application, taking into account elements like temperature, pressure, resistance to corrosion, and mechanical stress.
Consider Tube Dimensions: Select the right tube size, diameter, and wall thickness according to the flow rate, pressure, and space limitations of your application.
Select the Right Alloy: Take into account the alloy makeup of the stainless steel tube based on the corrosion resistance, strength, and temperature resistance your application demands.
Evaluate Surface Finish: Settle on the preferred surface finish of the tube, such as polished, brushed, or mill finish, according to aesthetic tastes and functional needs.
Assess Temperature and Pressure Ratings: Make certain that the stainless steel tube satisfies the necessary temperature and pressure ratings for your application to avoid failure or damage under operating conditions.
Consider Regulatory Compliance: Confirm that the stainless steel tube adheres to applicable industry standards and specifications, such as ASTM, ASME, or DIN, to guarantee quality and safety.

Does Stainless Steel Tube Rust?

No, Stainless steel tubes offer strong resistance to rust and corrosion because their chromium content creates a passive oxide layer on the surface. This layer serves as a protective barrier that stops the metal beneath from reacting with oxygen and moisture, thereby preventing rust from forming. Nevertheless, under some aggressive environments or extreme conditions, like contact with chloride ions or high temperatures, stainless steel tubes can still be prone to corrosion. Good upkeep, including routine cleaning and steering clear of contact with corrosive materials, can help extend the service life of stainless steel tubes and reduce the chance of rusting.

Stainless Steel Tube Size Chart

NPS	OD inches	Schedule 5S	Schedule 10S	Schedule 40S	Schedule 80S
		(Inches)
1/4	0.540		0.065	0.088	0.119
3/8	0.675		0.065	0.091	0.126
1/2	0.840	0.065	0.083	0.109	0.147
3/4	1.050	0.065	0.083	0.113	0.154
1.0	1.315	0.065	0.109	0.133	0.179
1 1/4	1.660	0.065	0.109	0.140	0.191
1 1/2	1.900	0.065	0.109	0.145	0.200
2	2.375	0.065	0.109	0.154	0.218
2 1/2	2.875	0.083	0.120	0.203	0.276
3	3.500	0.083	0.120	0.216	0.300
3 1/2	4.000	0.083	0.120	0.226	0.318
4	4.500	0.083	0.120	0.237	0.337
5	5.563	0.109	0.134	0.258	0.375
6	6.625	0.109	0.134	0.280	0.432
8	8.625	0.109	0.148	0.322	0.500
10	10.750	0.134	0.165	0.365	0.500
12	12.750	0.156	0.180	0.375	0.500

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FAQ (Frequently Asked Questions)

How to Maintain Stainless Steel Tubes?

Regular upkeep of stainless steel tubes generally consists of routine cleaning with mild detergent and water, keeping them away from corrosive materials, and occasional checks for indications of damage or corrosion.

What Factors Affect the Selection of Stainless Steel Tubes?

Selecting stainless steel tubes depends on factors like temperature, pressure, corrosion resistance, mechanical stress, and the specific needs of the application.

What are the Common Grades of Stainless Steel Used in Tubes?

Stainless steel tubes are frequently made from grades such as 304, 316, 316L, 321, and 347, with each providing distinct properties and being fit for particular applications.