JIS G4304 SUS309 309S 309H Stainless Sheet Grating
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Gnee Steel (Tianjin) Co., Ltd. is one of the most professional jis g4304 sus309 309s 309h stainless sheet grating manufacturers and suppliers in China. Welcome to wholesale customized jis g4304 sus309 309s 309h stainless sheet grating at competitive price from our factory. Good service and quality products are available.
Products Description
JIS G4304 SUS309, 309H and 309S stainless steel plates are high alloy stainless steel materials, belonging to the austenitic stainless steel series. They all have excellent high temperature acid resistance, high temperature strength and good corrosion resistance.The SUS309 stainless steel plate contains higher chromium and nickel, which has good high temperature resistance and corrosion resistance. 309H stainless steel plate is based on SUS309, by increasing the carbon content and adding other alloying elements, further improve its high temperature strength and corrosion resistance. The 309S stainless steel plate is on the basis of SUS309, by reducing the carbon content and adding stabilizing elements, improve its welding performance and corrosion resistance.These stainless steel plates are mainly used in high-temperature equipment and pipelines, such as rocket engines, spacecraft and other aerospace fields, as well as high-temperature flue gas environments and other scenarios.
Chemical Composition
| Element | 309 | 309S | 309H |
|---|---|---|---|
| Chromium | 22.0 min.-24.0 max. | 22.0 min.-24.0 max. | 22.0 min.-24.0 max. |
| Nickel | 12.0 min.-15.0 max. | 12.0 min.-15.0 max. | 12.0 min.-15.0 max. |
| Carbon | 0.20 | 0.08 | 0.04 min.-0.10 max. |
| Manganese | 2.00 | 2.00 | 2.00 |
| Phosphorus | 0.045 | 0.045 | 0.045 |
| Sulfer | 0.030 | 0.030 | 0.030 |
| Silicon | 0.75 | 0.75 | 0.75 |
| Iron | Balance | Balance | Balance |
Mechanical Properties
| Yield Strength 0.2% Offset |
Ultimate Tensile Strength |
Elongation in 2 in. |
Hardness | ||
|---|---|---|---|---|---|
| psi (min.) | (MPa) | psi (min.) | (MPa) | % (min.) | (max.) |
| 45,000 | 310 | 85,000 | 586 | 50 | 202 (HBN) |
Applications
Furnaces - burners, doors, fans, piping and recuperators
Fluidized Bed Furnaces - grids, piping, wind boxes
Paper Mill Equipment
Petroleum Refining - catalytic recovery systems, recuperators
Power Generation - pulverized coal burners, tube hangers
Thermal Processing - annealing covers and boxes, burners grids, doors, fans, lead pans and neutral salt pots, muffles and retorts, recuperators, walking beams
Waste Treatment - incinerators, rotary kilns and calciners
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