Steels 309 Plates

Features

• Oxidation resistant to 1900°F

• Moderate strength at high temperature

• Ease of fabrication

• Good sulfidation resistance

• Good weldability

Applications

• Annealing covers and boxes

• Carbon saggers

• Waste incinerators

• Pulverized coal burners

• Brazing fixtures

• Lead pans, neutral salt pots

• Muffles, retorts

• Furnace fans and shafts

• Radiant tubes for aluminum and steel annealing

• Glass forming equipment

• Thermowells

• Paper mill equipment

• Power boiler tube hangers

• Rotary kilns and calciners

• Anchor bolts

Chemical Composition (%) of 309S and 309H Stainless Steel Plate

	C	Mn	Si	P	S	Cr	Ni
309S	max: 0.08	2.0 max	0.75 max	0.045 max	0.03 max	min: 22.0 max: 24.0	min: 12.0 max: 15.0
309H	min: 0.04 max: 0.10	2.0 max	0.75 max	0.045 max	0.03 max	min: 22.0 max: 24.0	min: 12.0 max: 15.0

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