Alloy 718 is a kind of age hardening austenitic material. The strength depends largely on the initial phase precipitated during heat treatment.
Good machinability under annealing condition;
Good tensile, fatigue and creep fracture strength; Up to 700 ℃;
High temperature strength up to 700℃;
Good oxidation resistance, up to 1000℃;
Excellent mechanical properties at low temperature;
Good arc weldability, not easy to produce post welding crack.
718 alloy has excellent corrosion resistance to a variety of media. This resistance is similar to the resistance of other nickel-chromium alloys and is a function of their composition. Nickel contributes to the corrosion resistance of many inorganic and organic compounds, in addition to strongly oxidized compounds, over a wide range of acidity and alkalinity. It is also suitable for resisting chloride stress corrosion cracking. Chromium has the ability to resist oxidizing media and sulfur compounds attack. Molybdenum is known to help resist pitting in many media.
| Product Name | Executive Standard | Dimension | Steel Code / Steel Grade |
|---|---|---|---|
| Industrial Pipes | ASTM A312, A358, A778 | OD: 1/4″~40″ WT: SCH5S~SCH80S | TP304, TP304L, TP316L, SUS304TP |
| Tubes for Boiler and Heat-Exchanger, General Service Tubing | ASTM A249, A269, JIS G3463 | OD: 15.9~139.8mm WT: 1.6~5.0mm | TP304, TP304L, TP316L, SUS304TB |
| Mechanical and Structural Tubes | ASTM A554, JIS G3446 | OD: 7.9~152.4mm WT: 0.5~6.5mm | MT304, MT304L, MT316L, MT430 Grade 201, 202 as per mill’s STD SUS304 |
| Square Tubes | ASTM A554 | OD: 12.7×12.7~150x150mm WT: 0.7~6.5mm | MT304, MT304L, MT316L, MT430 Grade 201, 202 as per mill’s STD |
| Rectangular Tubes | ASTM A554 | OD: 10×20~100x200mm WT: 0.7~6.5mm | MT304, MT304L, MT316L, MT430 Grade 201, 202 as per mill’s STD |
| Sanitary Tubing | ASTM A270 JIS G3447 | OD: 25.4~165.2mm WT: 0.8~3.05mm | TP304, TP304L, TP316L, SUS304TBS |
| Large Gauge Pipes for Ordinary Piping | JIS G3448 | OD: 15.88~318.5mm WT: 0.8~3.0mm | SUS304TPD |
| Large Diameter Pipes | JIS G3468 | OD: 14″~40″ WT: SCH5S~SCH40S | SUS304TPY |
Better Raw Material
Most of material are from first class mills like Baosteel, Posco, Tsingshan. From slitting to material test, we provide the best chemical and mechanical guarantee.
Better Raw Material
With our experienced masters, manual welding pipes will be straightened by our machinery. TIR guaranteed.
Delicate Package
For Europe and American clients, we are experienced to provide fumigated wooden box to guarantee each and every pipe will be safely delivered.
