| After-sales Service: | Yes |
|---|---|
| Warranty: | Yes |
| Type: | Seamless |
| Technique: | Hot Rolled |
| Material: | Alloy Steel |
| Surface Treatment: | Black |
| Samples: |
|---|
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Audited Supplier DIN 17175 Seamless Steel Tubes For Elevated Temperatures,DIN 17175 15Mo3 tube steel can be smelted in a flat furnace or an electric furnace according to the oxygen blowing method, and all steels should be cast in a static manner.
Heat treatment temperature of DIN 17175 15Mo3 Seamless Steel Tubes
| Steel Grade | Thermal processing ºC | NormalizingºC | Tempering | ||
| Grade | Material number | Quenching temperature ºC | Tempering temperature ºC | ||
| 15mo3 | 1.5415 | 1100 to 850°C | 910-940 | - | - |
| Standard:DIN 17175 | grade | Chemical composition | |||||
| C | Si | Mn | P,S | Cr | Mo | ||
| 15mo3 | 0.12-0.20 | 0.10-0.35 | 0.40-0.80 | ≤0.030 | / | 0.25-0.35 | |
| Standard | grade | Tensile Strength(MPa) | Yield Strength(MPa) | Elongation(%) |
| DIN 17175 | 15mo3 | 450-600 | ≥270 | ≥20 |
1. Materials: Take the raw materials out of the raw material warehouse or procurement channels, and conduct inspection and sorting;
2.temperature control: according to the required performance of the product, choose the appropriate temperature, and control it within a certain range;
3. Heating: Use hot blast stove or other heating methods to heat raw materials to the required temperature;
4.annealing: the heated raw materials into the torch box for annealing treatment, in order to improve the mechanical properties of raw materials;
5. Hot rolling: Put the heated raw materials into the hot rolling mill, and process the raw materials through pressure to obtain the required products;
6.cooling: hot rolled products with water or other coolant for cooling, to ensure the stability of the product structure;
7.detection: physical and chemical performance test to determine whether it meets the requirements;
8. Finishing: Organize the products, label them, and prepare them for loading and delivery.
Baowu Aluminum (Shandong) Co., Ltd. is located in Dongchangfu county, which is the largest aluminum manufacturing county in north China. The factory is only one kilometer from the Jiliao expressway, which make our transportation more convenient. Our total investment is more than one billion yuan for two large factories. The factory covers an area of 120, 000 Square Meters and The company employs more than 500 staff, including over 60 engineering technicians. Our annual output capacity is more than 120, 000 tons of aluminium profiles. Baowu has been awarded the honorary titles of "China Patent Shandong Star Enterprise", "Key Enterprise of Shandong Architectural Profile Industry", "Famous Brand of the Province Construction Machinery Industry", "Shandong Famous Brand", "Well-known Trade Mark of Shandong Province", "China Energy-saving Product Certification", etc. Our company was appraised as a national medium-sized enterprise by the Agricultural Ministry of China in 2004. As a professional aluminum profiles manufacturer, we specialized in manufacturing building door and window, decoration, curtain wall and industrial aluminum profiles. We have imported advanced manufacturing, checking and testing equipment of aluminum profiles from USA, Germany, Japan, Italy and Switzerland. With advanced checking and testing method and perfect quality guarantee system, our products are produced in strict accordance with the GB/5237 standard and have passed the qualification of ISO9001: 2000 International Quality Management System, ISO14001: 2004 Environmental Management System, 18000: 2001 Occupational Health Management System and 8000: 2001 Social Responsibility Management system. Meanwhile, we provides our customer with many kinds of finishes, such as sand blasting, polishing, brush, anodizing, electrophoresis, ceramic electrophoresis, sparkling electroporesis, powder coating, thermal insulation, fluorocarbon spraying (PVDF COATING), wood grain, etc. With stable product quality and perfect after-sales service, Baowu has been recognized as qualified supplier by lots of domestic famous enterprises such as Country Garden, Haier, Goertek, etc. Our aluminum profiles have been exported to many countries, such as USA, Brazil, Vietnam, India, South Korea, Australia, Germany, Kenya, Russia, Israel, Japan, etc.
Q:How do you control quality?
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