- sales@blundellpipes.co.nz
- Hamilton, New Zealand
Home > Stainless Steel > Stainless Steel Hollow Pipes
Blundell Pipes and Tubes is a well-respected manufacturer and supplier located in Hamilton, New Zealand, focusing on top-notch stainless steel hollow pipes. With a strong dedication to engineering excellence, this company produces precision-crafted products that meet the demanding standards of today’s industries. By blending cutting-edge manufacturing technology with strict quality control, Blundell Pipes and Tubes ensures that every product delivers consistent performance and durability. Their stainless steel hollow pipes are prized for their resistance to corrosion, impressive structural strength, and versatility. Catering to customers throughout New Zealand and beyond, the company is a dependable partner for all industrial and infrastructural piping needs.
Stainless steel hollow pipes are generally made from grades like 201, 304, 316, and 316L, providing strength, corrosion resistance, and flexibility in balance. These tubes have a consistent hollow cross-sectional area, which is advantageous in offering high strength-to-weight ratio and ease of fabrication. Mechanically, they possess superior tensile properties, satisfactory impact resistance, and durability under fluctuating loading conditions. The corrosion-resistant nature of stainless steel makes such hollow tubes suitable for application inside and outside environments, with their smooth surface finish further improving their resistance to environmental and chemical attack in harsh conditions.
| Standard Specification | ASTM A554/ ASTM A312 |
| ASME / ANSI Specification | ANSI/ASME B36.10M, ANSI/ASME B36.19M |
| Stainless Square Tube Available Grades | 304L, 304, 309S, 316, 316L, 310S, 308, 310 |
| Manufacturing Type | ERW, Welded, CDW, Seamless, 100% X Ray Welded, Fabricated |
| Different Delivery Conditions Types | Polished, Annealed and Pickled, Cold Drawn, Bright Annealed |
| Various Surface Finishing | No.1, 2B, No.4, No.8 Mirror Finish |
| Different Wall Thicknesses | SCH 40, SCH 5, SCH10, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Method used for welding | TIG + Plasma TIG |
| Size mm | kg/m | Size mm | kg/m |
| 40*20*2.5 | 1.68 | 40*20*2.0 | 2.03 |
| 40*25*1.5 | 2.36 | 40*20*3.0 | 1.44 |
| 40*25*2.5 | 1.89 | 40*25*2.0 | 2.23 |
| 50*25*2.5 | 2.21 | 50*25*2.0 | 2.72 |
| 50*30*2.5 | 3.22 | 50*25*3.0 | 2.92 |
| 50*30*4.0 | 3.45 | 50*30*3.0 | 4.46 |
| 60*40*2.0 | 3.77 | 50*40*3.0 | 2.93 |
| 60*40*3.0 | 3.71 | 60*40*2.5 | 4.39 |
| 70*50*2 | 5.72 | 60*40*4.0 | 3.56 |
| 70*50*3.0 | 4.39 | 70*50*2.5 | 5.19 |
| 80*40*2.5 | 6.71 | 70*50*4.0 | 4.26 |
| 80*40*4.0 | 5.34 | 80*40*3.0 | 6.97 |
| 80*50*3.0 | 8.54 | 80*40*5.0 | 5.66 |
| 90*50*3.0 | 7.34 | 80*50*4.0 | 6.28 |
| 90*50*5.0 | 7.46 | 90*50*3.6 | 10.11 |
| 100*50*3.0 | 5.63 | 100*50*2.5 | 6.75 |
| 100*50*5.0 | 8.86 | 100*50*4.0 | 10.90 |
| 100*60*3.6 | 7.22 | 100*60*3.0 | 8.59 |
| 120*80*2.5 | 11.70 | 100*60*5.0 | 7.65 |
| 120*80*4.0 | 9.03 | 120*80*3.0 | 12.00 |
| 120*80*6.0 | 14.80 | 120*80*5.0 | 17.60 |
| 150*100*5.0 | 22.9 | 120*80*8.0 | 18.70 |
| 150*100*8.0 | 22.30 | 150*100*6.0 | 29.10 |
| 160*80*5.0 | 35.70 | 150*100*10.0 | 18.00 |
| 160*80*8.0 | 21.30 | 160*80*6.0 | 27.90 |
| 200*100*6.0 | 22.70 | 200*100*5.0 | 27.00 |
| 200*100*10.0 | 35.4 | 200*100*8.0 | 43.60 |
| 250*150*6.0 | 30.5 | 250*150*5.0 | 38.2 |
| 250*150*10 | 48.0 | 250*150*8.0 | 59.3 |
| 300*200*8.0 | 48.10 | 300*200*6.0 | 60.50 |
| 400*200*8.0 | 75.00 | 300*200*10.0 | 73.10 |
| 400*200*16 | 90.70 | 400*200*10.0 | 142.00 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing stainless steel Hollow pipes from Blundell Pipes and Tubes ensures high-quality materials with excellent corrosion resistance and durability. Our products are tailored to meet diverse industry standards, offering reliability and versatility for various applications. Our commitment to customer service and timely delivery makes us a trusted supplier.
Stainless Steel Hollow Pipes are generally made from a mix of chromium, nickel, and iron, with optional elements like molybdenum, manganese, or nitrogen added to boost corrosion resistance and strength. These pipes boast mechanical properties such as high tensile strength, excellent toughness, and outstanding resistance to oxidation and pitting, even in harsh conditions. They maintain their structural integrity under high pressure and temperature fluctuations, making them ideal for demanding applications. Plus, they offer great weldability and formability, which simplifies fabrication and installation.
| NOMINAL PIPE SIZE | OUTSIDE DIAMETER (INCHES) |
|---|---|
| 1/2″ | 0.84 |
| 3/4″ | 1.05 |
| 1″ | 1.315 |
| 1-1/4″ | 1.66 |
| 1-1/2″ | 1.9 |
| 2″ | 2.375 |
| 2-1/2″ | 2.875 |
| 3″ | 3.5 |
| 3-1/2″ | 4 |
| STAINLESS STEEL HOLLOW PIPE GRADES | UNS | C | Mn | P | S | Si | Cr | Ni | Mo | Ti | Nb | N |
| TP304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 |
| Material | Heat | Temperure | Tensile Strength | Yield Strength | Elongation %, Min |
| Treatment | Min. | Ksi (MPa), Min. | Ksi (MPa), Min. | ||
| º F(º C) | |||||
| TP304 | Solution | 1900 (1040) | 75(515) | 30(205) | 35 |
Stainless Steel Hollow Pipes find applications across a variety of industries thanks to their strength, versatility, and resistance to corrosion. In construction, they are used as structural supports, handrails, and architectural features. The automotive and transportation industries depend on them for exhaust systems, frames, and fluid transfer lines. In the food, dairy, and pharmaceutical sectors, they are crucial for maintaining hygienic processing lines and equipment. Additionally, they play a vital role in petrochemical plants, water treatment systems, and marine environments, where durability against chemicals and moisture is essential. Their reliability makes them suitable for both heavy-duty and precision applications.
Stainless steel hollow pipes find extensive applications in structural and ornamentation purposes owing to their lightweight property, durability, and corrosion resistance. They find applications in the construction sector for the construction of frameworks, scaffolding, and supporting structures. In the production of furniture, they are used for making frames and legs of tables, chairs, and shelves. Hollow pipes are utilized by the automobile sector in car frames and exhaust systems. They also occur in architectural details, railings, gates, and fencing. They are a dependable option in a broad spectrum of applications in commercial, industrial, and residential use due to their adaptability, attractive finish, and extended service life.
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