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ASTM A213 ASME SA312 SS 347
This material is stabilized against chromium carbide formation by the addition of columbium and tantalum.
Since these elements have a stronger affinity for carbon than chromium,
columbium-tantalum carbides precipitate within the grains instead of forming at the grain boundaries.
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ASTM A213 ASME SA312 SS 347
Product information
347 stainless steel is a columbium/tantalum stabilized austenitic chromium-nickel stainless steel. This material is stabilized against chromium carbide formation by the addition of columbium and tantalum. Since these elements have a stronger affinity for carbon than chromium, columbium-tantalum carbides precipitate within the grains instead of forming at the grain boundaries. 347 should be considered for applications requiring intermittent heating between 800ºF (427ºC) and 1650ºF (899ºC) or for welding under conditions which prevent a post-weld anneal. 347 is non-magnetic.
More details
| The Physical Properties of SS347 | |
| Density(lb/cu. in.) | 0.29 |
| Specific Gravity | 8.03 |
| Specific Heat(Btu/lb/Deg F) | 0.12 |
| Electrical Resistivity(microhm-cm) | 438 |
| Melting Point(Deg F) | 2600 |
| The Chemical Composition of SS347, % | |
| Carbon | ≤0.08 |
| Manganese | ≤2.00 |
| Phosphorus | ≤0.045 |
| Sulfur | ≤0.030 |
| Silicon | ≤0.75 |
| Chromium | 17.0-19.0 |
| Nickel | 9.0-13.0 |
Mechanical Properties of SS347
| Tensile Strength, min. | Yield Strength, min. | Elongation | Hardness | |||
| ksi | Mpa | ksi | Mpa | % | HBW | Rockwell |
| 75 | 515 | 30 | 205 | 40 | 201 | 92HRBW |
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Shandong Mingding Supply Chain Management Service Co., Ltd. was established in 2013, focusing on the production, processing and trade of metal materials. We have a professional team to provide quality service, we sincerely welcome customers at home and abroad to visit our company for guidance and long-term cooperation.
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The company has the most advanced production equipment and automatic control system, to ensure the most reliable product quality. In addition, we also have a professional international trade and logistics team. With quality products and excellent service, we have established a large number of long-term customers all over the world.
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To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.
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Our main products include high quality carbon steel, stainless steel products,galvanized steel products, aluminum and copper. We can also provide cutting, punching, bending, polishing, shearing, wire drawing and other related service.
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Our company is set production processing and trade as one. The company has the most advanced production equipment and automatic control system, to ensure reliable product quality and sufficient supply capacity. Our main products are stainless steel, silicon steel, galvanized steel, carbon steel, aluminum products and other series. Applicable to engineering, coal mining, shipping, aviation, boiler, machinery, military and other fields. We sincerely welcome customers from all over the world to visit our company to discuss long-term cooperation.
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FAQ
How do you package the product?
The inner layer is covered with waterproof paper, packed in iron and secured by fumigated wooden brackets. It can effectively protect products from corrosion in the process of sea sample transportation.
Are the products inspected before shipment?
Of course. All our products go through strict quality tests before they are packed. Those that fail will be destroyed.
Can I visit your factory?
Of course. We welcome customers from all over the world to visit our factory.
What certifications have your products passed?
We have ISO 9001, SGS, EWC and other certifications.
Can you provide samples?
Of course, we can send samples all over the world. Our samples are free of charge, but the customer needs to bear the Courier charge
What is the loading port?
Normally, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. You can choose other ports according to your needs.
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Add：Shan Gang Building, 61-11 South Gongye Road, Jinan Area, China (Shandong) Pilot Free Trade Zone
MD Steel
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info@mingdingsteel.com
+8615553113555