309 stainless seamless steel pipe industry tube
Stainless steel seamless pipe is a long steel with a hollow cross-section and no seams around it.
The thicker the wall thickness of this product, the more economical and practical it will be,
and the thinner the wall thickness, the greater the processing cost.
The process of this product determines its limited performance.
Generally, the precision of seamless seamless steel tubes is low:
uneven wall thickness, low brightness on the inside and outside of the tube,
and high cost of sizing, and there are pitting and black spots on the inside and outside.
Shaping must be handled offline.
Therefore, it embodies its superiority in high-pressure, high-strength, mechanical structural materials.
| Product Name | Din 1.4306 Big Size Seamless Stainless Steel Pipe/Tube |
| Thickness | 1.0mm, 2.0mm, 3.0mm, 6.0mm, 8.0mm, 10.0mm-60mm; |
| Outside Diameter | 10mm-600mm; 30*30mm, 50*50mm, 80*80mm....300*300mm; |
| Length | 3000mm, 5800mm, 6000mm, 11000mm or as required; |
| Type | Seamless |
| Surface | Pickling, Polished; |
| Brand | TEDA |
| Standard | GB, JIS, ASTM, AISI, EN |
| Grade | 304, 316, 316L, 321, 904L etc. |
| Mill Certificate | We can provide the original mill test certificate. |
| Inspection | We can accept any third party inspection before delivery, Such as SGS, BV etc. |
| Payment | 1) 30% TT deposit, 70% the balance against B/L copy; 2) 100% Irrevocable L/C at sight. |
| Price Term | FOB, CIF, CFR, DDU, DDP |
| Delivery Time | 7-15 days after received deposit. |
| Package | Plastic bag + Pipe cap + Nylon bag + Plastic strip; |
Product Pictures
Company Introduction
QUALITY CONTROL
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects
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GB 309 ERW 1.4306 Seamless Stainless Steel Tubes Images
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