Super Duplex 2507 Stainless Steel Balls

This steel has excellent mechanical properties and corrosion resistance against chlorides, also this steel has absolutely no encounters with pitting, fatigue, erosion etc. Super duplex is a biphasic structure austenite - ferrite.

Applications :

Oil and gas Industry
Special valves and pumps
Petrochemical Industry
Shipping

Chemical composition

%C	%Si	%Mn	%P	%S	%Cr	%Ni	%N	%Mo	%Cu
0.030 max	0.80 max	1.20 max	0.035 max	0.020 max	24.00-26.00	6.00-8.00	0.240-0.320	3.00-5.00	0.50 max

International Standards and material codes

USA	GER	FRA	UK	RUS	CHN	JAP
F53 / S32750	1.441	Z3 CN 25.06 Az	2507	08Х22Н6Т	2507	2507

Technical Properties

Property	Type	U.o.M.	Values	U.o.M.	Values
Hardness	Mechanical	[HRC]	25 - 40	-	-
Ultimate tensile strength	Mechanical	[MPa]	750 - 950	[psix10^3]	109 - 137

Size Range/Grade selection

Product	Size Range	U.o.M.	Grade Capabilities
Balls	3.00 mm to 40.00 mm	[mm]	GR.200 to GR.2000 as per any international standard.

Comparison Chart- Material Corrosion Resistance
Material	CORROSION RESISTANCE
	Air		Water			Food			Liquor		Dilute Acid				Conc. Acid			Chemical
	Industrial Atmosphere	Salt Air	Wet Steam	Domestic Water	Sea Water	Food Product	Fruit & Veg. Juice	Dairy Product	Hot Sulfate	Dye	HCL	H2SO4	HNO3	Phosphoric	H2SO4	HNO3	Phosphoric	Ammonia	Alkaline Salt
AISI-E-52100	3	←	4	4	←	←	←	←	←	←	←	←	←	←	←	←	←	2	3
AISI-420	2	4	1	1	←	3	3	2	←	3	←	←	←	←	←	←	←	2	3
AISI 420C	2	4	1	1	←	3	3	2	←	3	←	←	←	←	←	←	←	2	3
AISI 440C	2	3	2	2	←	2	2	3	←	4	←	←	←	←	←	←	←	3	2
AISI 304/302	2	1	1	1	1	1	2	2	1	4	2	2	2	2	😑	2	2	1	1
AISI 316	2	1	1	1	1	1	1	1	2	4	←	2	1	2	1	1	1	1	2
AISI 1085	3	←	4	4	←	←	←	←	←	←	←	←	←	←	←	←	←	2	3

1=Excellent 2 = Good 3 = Fair 4 = Poor

← Will not withstand corrosion

😑 Varies

* = satisfactory only over 75% concentration

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