The resistance of Inconel 690 seamless Tube to sulfur-containing gases makes it an attractive material, which can be used in coal gasification units, burners and pipelines for sulfuric acid treatment, petrochemical processing furnaces, regenerators, incinerators and vitrification equipment for radioactive waste treatment.
Detail information
Name | Inconel 690 seamless Tube |
Length | 1000-6000mm or be customized |
Diameter | 10-600mm or be customized |
Wall thickness | 0.5-50mm or be customized |
Standard | GB,AISI,ASTM,DIN,EN,SUS,UNS |
Technique | Hot Rolled/Cold Rolled |
Processing | Bending, welding, stamping, punching, cutting |
Surface | 2B,2E,BA,HL,NO.1,NO.4, 6K, 8K,embossed,mirror,polished |
Quality | Mill Test Certificate supplied with the shipment ,third part inspection is acceptable |
Payment | T/T or according to customers’ requirements |
Packaging | Standard export sea-worthy packing or according to customer requirements or products |
Delivery | About 20 days or according to the products |
Market | Middle East/ Africa/Asia/South America/Europe/North America |
Physical Properties
Properties | Metric | Imperial |
Density | 8.19 g/cm³ | 0.296 lb/in³ |
Melting point | 1343-1377°C | 2450-2510°F |
Chemical Compositions
Nickel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58.0 min.
Chromium. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27.0-31.0
Iron . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . 7.0-11.0
Carbon. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.05 max.
Silicon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.50max.
Manganese . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.50max.
Sulfur . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.015 max.
Copper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.50 max.
key properties (in annealed condition)
Tensile strength: | 66.80 |
Yield strength: | 110.00 |
Elongation: | 39.00% |
Our advantages
1.We focus on Special alloy,nickel alloy,high temperature alloy,stainless steel industry.
2.Products are all made of steel plate from large company like Tisco,Lisco,Baosteel Posco.
3.There are few quality complaints from the customers.
4.You can experience the perfect one-stop purchase.
5.We have more than 2000 tons stainless steel in stock.
6.Products can be customized as customers’ requirements.
7.We serve many customers from different countries all over the world.

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