Different Types of Galvanized Steel Round Tubes
Construction Galvanized Pipes,
Greenhouse Structural Galvanized Pipes,
Structural Galvanized Steel Pipes,
Water and Natural Gas Delivery Steel Pipes,
Fire Sprinkler Galvanized Pipes,
Solar Structural Steel Pipes
Pre Galvanized Structural Pipes,
Greenhouse Structural Galvanized Pipes,
Pre Galvanzied Conduit Steel Pipes
What is Youfa Advantages
1. Reputation and Experience: Youfa is one of the largest and most well-known galvanized steel tube manufacturers in China, with a solid reputation built over many years in the industry. Youfa galvanized pipes, occupying 30% of the Chinese market
2. Quality Assurance: Youfa adheres to strict quality control measures and standards. Youfa brand galvanized pipes with qualified zinc coating are known for their durability, corrosion resistance, and long lifespan.
3. Wide Range of Products: Youfa offers a wide variety of galvanized pipes in different sizes and specifications, catering to various needs and applications.
4. Advanced Technology: Youfa galvanized factories utilizes advanced manufacturing techniques and equipment, ensuring high precision and consistency in their products.
5. Environmental Responsibility: Youfa places a strong emphasis on environmental protection, employing eco-friendly manufacturing processes and materials.
6. Competitive Pricing: Despite their high quality, Youfa's products are competitively priced, providing good value for money.
7. Global Reach: Youfa has an extensive distribution network, making their products accessible to customers worldwide.
8. Customer Service: The company is known for its excellent customer service, offering support and assistance throughout the purchasing process and beyond.
Galvanized Tube Steel Grade and Standards
GALVANIZED TUBES CARBON STEEL GRADE MATERIAL | |||||
Standards | ASTM A53 / API 5L | ISO65 | JIS3444 | BS1387 / EN10255 | GB/T3091 |
Steel Grade | Gr. A | STK290 | S195 | Q195 | |
Gr. B | √ | STK400 | S235 | Q235 | |
Gr. C | STK500 | S355 | Q355 |
Galvanized Steel Tube Sizes
Hot dip galvanized steel tube sizes chart:
DN | OD | OD (mm) | ASTM A53 GRA / B | ASTM A795 GRA / B | OD (mm) | BS1387 EN10255 | ||||
SCH10S | STD SCH40 | SCH10 | SCH30 SCH40 | LIGHT | MEDIUM | HEAVY | ||||
MM | INCH | MM | (mm) | (mm) | (mm) | (mm) | MM | (mm) | (mm) | (mm) |
15 | 1/2” | 21.3 | 2.11 | 2.77 | - | 2.77 | 21.3 | 2 | 2.6 | - |
20 | 3/4” | 26.7 | 2.11 | 2.87 | 2.11 | 2.87 | 26.7 | 2.3 | 2.6 | 3.2 |
25 | 1” | 33.4 | 2.77 | 3.38 | 2.77 | 3.38 | 33.4 | 2.6 | 3.2 | 4 |
32 | 1-1/4” | 42.2 | 2.77 | 3.56 | 2.77 | 3.56 | 42.2 | 2.6 | 3.2 | 4 |
40 | 1-1/2” | 48.3 | 2.77 | 3.68 | 2.77 | 3.68 | 48.3 | 2.9 | 3.2 | 4 |
50 | 2” | 60.3 | 2.77 | 3.91 | 2.77 | 3.91 | 60.3 | 2.9 | 3.6 | 4.5 |
65 | 2-1/2” | 73 | 3.05 | 5.16 | 3.05 | 5.16 | 76 | 3.2 | 3.6 | 4.5 |
80 | 3” | 88.9 | 3.05 | 5.49 | 3.05 | 5.49 | 88.9 | 3.2 | 4 | 5 |
90 | 3-1/2" | 101.6 | 3.05 | 5.74 | 3.05 | 5.74 | 101.6 | - | - | - |
100 | 4” | 114.3 | 3.05 | 6.02 | 3.05 | 6.02 | 114.3 | 3.6 | 4.5 | 5.4 |
125 | 5” | 141.3 | 3.4 | 6.55 | 3.4 | 6.55 | 141.3 | - | 5 | 5.4 |
150 | 6” | 168.3 | 3.4 | 7.11 | 3.4 | 7.11 | 165 | - | 5 | 5.4 |
200 | 8” | 219.1 | 3.76 | 8.18 | 4.78 | 7.04 | 219.1 | - | - | - |
250 | 10” | 273.1 | 4.19 | 9.27 | 4.78 | 7.8 | 273.1 | - | - | - |
Pre galvanized steel tube sizes chart:
OUTSIDE DIAMETER | |||
ROUND SECTION | SQUARE SECTION | RECTANGULAR SECTION | OVAL SECTION |
11.8, 13, 14, 15, 16, 17.5, 18, 19 | 10x10, 12x12, 15x15, 16x16, 17x17, 18x18, 19x19 | 6x10, 8x16, 8x18, 10x18, 10x20, 10x22, 10x30, 11x21.5, 11.6x17.8, 12x14, 12x34, 12.3x25.4, 13x23, 13x38, 14x20, 14x42, 15x30, 15x65, 15x88, 15.5x35.5, 16x16, 16x32, 17.5x15.5, 17x37, 19x38, 20x30, 20x40, 25x38, 25x30, 25x40, 25x50, 27x40, 30x40, 30x50, 30x60, 30x70, 30x90, 35x78, 40x50, 38x75, 40x60, 45x75, 40x80, 50x100 | 9.5x17, 10x18, 10x20, 10x22.5, 11x21.5, 11.6x17.8, 14x24, 12x23, 12x40, 13.5x43.5, 14x42, 14x50, 15.2x23.2, 15x30, 15x22, 16x35, 15.5x25.5, 16x45, 20x28, 20x38, 20x40, 24.6x46, 25x50, 30x60, 31.5x53, 10x30 |
20, 21, 22, 23, 24, 25, 26, 27, 27.5, 28, 28.6, 29 | 20x20, 21x21, 22x22, 24x24, 25x25, 25.4x25.4, 28x28, 28.6x28.6 | ||
30, 31, 32, 33.5, 34, 35, 36, 37, 38 | 30x30, 32x32, 35x35, 37x37, 38x38 | ||
40, 42, 43, 44, 45, 47, 48, 49 | 40x40, 45x45, 48x48 | ||
50, 50.8, 54, 57, 58 | 50x50, 58x58 | ||
60, 63, 65, 68, 69 | 60x60 | ||
70, 73, 75, 76 | 73x73, 75x75 |
![labs](http://www.chinayoufa.com/uploads/labs.png)
High Quality Guaranteed
1) During and after production, 4 QC staffs with more than 5 years experience inspect products in random.
2) National accredited laboratory with CNAS certificates
3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV.
4) Approved by Malaysia, Indonesia, Singapore, Philippines, Australia, Peru and UK.
Other Related Steel Galvanized Products
Malleable Galvanized Fittings,
Malleable Galvanized Fittings Inner Plastic Coated
Construction Galvanized Square Pipe,
Solar Structure Steel Pipes,
Structure Steel Pipes