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You are here : section steel--Katalor steel > Flat steel > 正文ASTM A240 321 hot-rolled stainless flat steel

ASTM A240 321 hot-rolled stainless flat steel

As a ASTM A240 321 hot-rolled stainless flat steel Manufacturer, if you want to get more information about ASTM A240 321 hot-rolled stainless flat steel or if you need ASTM A240 321 hot-rolled stainless flat steel machining service,please contact Katalor ! ASTM A240 321 stainless flat steel uses include annealing covers,high-temperature tempering equipment,diesel and heavy duty automotive exhaust systems,firewalls,stack liners,boiler casings,welded pressure vessels,jet aircraft components,radiant super-heaters,bellows and oil refinery equipment. ASTM A240 321 hot-rolled stainless flat steel specification: Thickness--4mm-30mm Width--12mm-200mm Flat steel are divided into three groups by weight 1.Every m less than 19 kg,usually long 3 ~ 9 m (length). 2.Every m less than 19 ~ 60 kg,usually long 3 ~ 7 m (length). 3.Every m greater than 60 kg,usually long 3 ~ 5 m (length). Models for non-standard products, usually 2 ~ 6 m length

ASTM A240 321 chemical composition

Type	C	Mn	P	S	Si	Cr	Ni
321	0.08	2.00	0.045	0.030	0.75	17.0-19.0	9.0-12.0

ASTM A240 321 hot-rolled stainless flat steel mechanical properties

	Tensile strength, min		Yield strength, min		Elongation in 2 in or 50 mm,min,%	Hardness,max
	Ksi	Mpa	Ksi	Mpa	Elongation in 2 in or 50 mm,min,%	Brinell	Rockwell
Austenitic (chromium-nickel)(chromium-manganese-nickel)
321	75	515	30	205	40	217	95

ASTM A240 321 stainless flat steel Physical properties

Density,Ibs./in.3(g/cm3)	0.29(8.09)
Electrical Resistivity,µΩ.IN(µΩ.cm) 68oF(20oC)	28.4(72)
Thermal conductivity,BTU/hr/ft/oF(w/m/k)
212oF(100 oC)	9.3(16.0)
932oF(500oC)	12.8(22.0)
Mean coefficient of thermal expansion,in/in/oF(µm/m/k)
32-212oF(0-100oC)	9.2*10-6(16.6)
32-600oF(0-315oC)	9.5*10-6(17.1)
32-1000oF(0-538oC)	10.3*10-6(18.5)
32-1200oF(0-649oC)	10.7*10-6(19.3)
32-1500oF(0-871oC)	11.2*10-6(20.2)
Modulus of elasticity,ksi,Mpa
In tension	28.0103(193103)
In torsion	11.2103(78103)
Magnetic permeability annealed,(H/m at 200 oersteds)	1.02 max
Specific heat,BTU/ibs,/oF(kJ/Kg/K) 32-212oF(0-100oC)	0.12(0.50)
Melting range,oF(oC)	2500-2550(1371-1399)

Delivery Time: 30-40days Payment Item: 30% TT, or LC and TT. Trade Terms: FOB, CFR, CIF Heat Treatment: Hot Rolled,CR,Normalized,Quenched,Tempering, TMCP, Electroslag Remelting Technology, etc. Steel Services: Cutting, Heat treatment,Galvanization, Pre-treatment,and the Third Party inspection and so on.

ASTM A240 321 stainless section steel is one of the four varieties(plates, tubes, profiles, wire) of steel.Based on cross-sectional shape,section steel is divided into simple section steel and complex section steel (profiled steel).the former refers to the square steel, round steel, flat steel, angle steel, hexagonal, etc.the latter refers to the beams, channels, rails, steel window frames, bent steel and so on.

ASTM A240 321 stainless flat steel corrosion resistance: 321 has similar corrosion behavior to 304 with the exception of improved inter-granular corrosion resistance due to the titanium addition for stabilization.resistance to organic acids and some inorganic acids is excellent.however,long term exposure to temperatures between 900-1500oF(482-816oC)may reduce its overall general corrosion resistance but remains improved compared to unstabilized grades.