436 Stainless Steel Welded Pipe
436 stainless steel pipe is a modified steel grade of 434 stainless steel. It has a reduced tendency to "wrinkle" in relatively strict stretch forming operations and is often used in automotive exhaust system parts such as exhaust pipes and mufflers.
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Description
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of 436 stainless steel welded pipe in China. With abundant experience, we warmly welcome you to wholesale customized 436 stainless steel welded pipe from our factory. For price consultation, contact us.
436 (UNS S43600) stainless steel welded pipe is a chromium-molybdenum stainless steel with strong durability, not easy to deform, excellent corrosion resistance, high high temperature strength and other characteristics. It is widely used in marine engineering, such as seawater desalination equipment; reactors and pipelines in the chemical industry; flue gas desulfurization equipment in the environmental protection field; exhaust systems in automobile manufacturing; and architectural decoration and other fields.
439 high-molybdenum ferritic stainless steel pipe complies with international standards such as ASTM A269/A249 and EN 10216-5. It is divided into seamless pipes and welded pipes and can be pickled and polished (reaching Ra≤0.8μm).
ASTM A249 tp436 Industrial welded pipes
Equivalent Grades of Stainless Steel ERW Pipe
| STANDARD | WERKSTOFF NR. | UNS | JIS |
|---|---|---|---|
| SS 436 | 1.4536 | S43600 | SUS 436 |
| SS 436L | – | – | SUS 436L |
Stainless Steel 436 Welded Tubes Chemical Composition
| Grade | Fe | Cr | Ni | Mo | Mn | Nb | Si | Ti | Ta | C | P | S |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SS 436 | 81.3 | 16 | – | 1 | 1 | 0.5 | – | – | 0.5 | 0.12 | 0.040 | 0.030 |
| SS 436L | 80.49 | 17.3 | 0.3 | 1 | 0.3 | – | 0.3 | 0.3 | – | 0.01 | – | – |
436 Stainless Steel CR Pipe Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation | Hardness |
|---|---|---|---|---|---|
| 0.28 lbs/in3 7.74 g/cm3 | 2600 – 2750 ° F (1427 – 1510 °C) | 77 KSI min (531 MPa min) | 53 KSI min (365 MPa min) | 40 % | Rb 89 max |
| 0.28 lbs/in3 7.74 g/cm3 | 2600 – 2750 ° F (1427 – 1510 °C) | 441-517 MPa 64000-75000 psi (Metric) | 276-345 MPa 40000-50000 psi (Imperial) | 28-35% | 74-85 |
Why choose GNEE?
GNEE has more than 20 years of industry experience and is equipped with advanced CNC mills and automatic welding equipment to ensure product accuracy of ±0.05 mm. Through vertically integrated production processes, we are able to provide 436 stainless steel pipes at 10% - 15% lower than the market price, making it a cost-effective alternative to 316L stainless steel. Products are exported to the United States, Europe, the Middle East and other places, supporting a variety of trade terms such as DDP/FOB.
China 436 Stainless Steel pipe Manufacturer and Supplier
FAQ
Q1: What is the difference between 436 and 434 stainless steel welded pipes?
436: Contains higher molybdenum (2%) and Ti/Nb, has stronger pitting resistance and better weldability.
434: Molybdenum content is 1.25%, lower cost, suitable for mildly corrosive environments.
Q2: Can 436 welded pipes be used in the food industry?
It needs to pass FDA certification. It is recommended to choose a polished surface and passivate regularly to avoid chloride ion residue.
Q3: What are the precautions for welding 436 welded pipes?
It is recommended to use ER316L welding wire, preheat 100-150℃ before welding, and anneal (700-800℃) after welding to eliminate stress.
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