SUS309s Stainless Steel with Competitive Price

Chemical composition % of the ladle analysis of grade SUS309S
Mechanical properties of grade SUS309S
Technological properties of grade SUS309S
Hardness and heat treatment specification of grade SUS309S

Annealing hardness HBS	Cold pull hardness HBS	Preheating temperature ºC	Quenching temperature ºC		Holding time min	Hardening medium	Temper temperature ºC	After tempering hardness ≥HRC
			salt-bath furnace	controlled atmosphere furnace
235	262	788	1191	1204	5~15	air cooling	522	60

Steel plate/Sheet thickness / mm	σb MPa	σs ≥/MPa	δ Samples from the standard for 50 mm (2 in)	180 ° of cold bending test
				longitudinal	horizontal
Hot-rolled/Cold rolling:5 - 150	520	415	16~18	2a	3.5a
Note: (1) listed in the table apex diameter (d), to steel thickness (a) multiples said. (2) in the ASTM A6 standard specified scope can meet any additional conditions. (3) from the standard for 50 mm (2 in). Mechanical properties  Mechanische Eigenschaften Caracteristiques mecaniques ReH Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d'elasticite minimale  Rm Tensile strength / Zugfestigkeit / Resistance a la traction  A Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal  J Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc

SUS309S steel description:
Step Shaft: steel plate/sheet,coil,round bar,flat bar,tube/pipe,Profiled forgings
SUS309S steel Specifications or Size:

Round bar:
Diameter : 1mm-2000mm
Square bar:
Size: 50mm * 50mm-600mm *600mm
Plate steel/flat bar:
Size: Thickness: 0.1mm-800mm Width: 10mm to 1500mm
Tube/pipe: 
Size: OD: 6-219mm WT: 1-35 mm.
Cold-rolled sheet: Thickness: 2-5mm Width:1000mm Length: 2000mm
Hot-rolled sheet: Thickness:6-80mm Width: 210-610mm
Length: We can supply any length based on the customer's requirement.
Forging/hot rolling/ extrusion of steel.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirement.
UTS according to SEP 1921 C/c,D/d,E/e;A388 or GB/T 6402
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C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.08	1.0	2.0	0.045	0.03	22-24	12-15