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Jason Taylor

9260 ?

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any thoughts on 9260 steel? I really want 5160 in 1/4 x 1 but can only find 9260 in that size. The little 5160 I have worked with has been very impressive performance wise and i just wonder if 9260 will work as well.

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I have never worked in 9260, unless the 5160 from Admiral has always been 9260, but I found this at

 

http://www.efunda.com/

 

AISI 9260

 

 

Category Steel

Class Alloy steel

Type Standard

Common Names Silicon-manganese steel

Designations France: AFNOR 60 S 7 , AFNOR 61 SC 7

Germany: DIN 1.0909

United Kingdom: B.S. 250 A 58

United States: ASTM A29 , ASTM A322 , ASTM A331 , ASTM A505 , ASTM A519 , ASTM A59 , SAE J1268 , SAE J404 , SAE J412 , SAE J770 , UNS G92600

 

Composition

 

 

Element Weight %

C 0.56-0.64

Mn 0.75-1.00

P 0.035 (max)

S 0.04 (max)

Si 1.80-2.20

 

 

Mechanical Properties

 

 

Properties Conditions

T (°C) Treatment

Density (×1000 kg/m3) 7.7-8.03 25

Poisson's Ratio 0.27-0.30 25

Elastic Modulus (GPa) 190-210 25

Tensile Strength (Mpa) 1758 25 oil quenched, fine grained, tempered at 425°C more

Yield Strength (Mpa) 1503

Elongation (%) 8

Reduction in Area (%) 24

Hardness (HB) 600 25 oil quenched, fine grained, tempered at 205°C more

 

 

AISI 5160

 

Category Steel

Class Alloy steel

Type Standard

Common Names Chromium steel

Designations United States: ASTM A322 , ASTM A331 , ASTM A505 , ASTM A519 , SAE J404 , SAE J412 , SAE J770 , UNS G51600

 

Composition

 

 

Element Weight %

C 0.56-0.64

Mn 0.75-1.00

P 0.035 (max)

S 0.04 (max)

Si 0.15-0.30

Cr 0.70-0.90

 

 

Mechanical Properties

 

 

Properties Conditions

T (°C) Treatment

Density (×1000 kg/m3) 7.7-8.03 25

Poisson's Ratio 0.27-0.30 25

Elastic Modulus (GPa) 190-210 25

Tensile Strength (Mpa) 722.6 25 annealed at 815°C more

Yield Strength (Mpa) 275.8

Elongation (%) 17.2

Reduction in Area (%) 30.6

Hardness (HB) 197 25 annealed at 815°C more

Impact Strength (J)

(Izod) 10 25 annealed at 815°C more

 

 

 

Hope that is of some use,

 

Geoff

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Al Lawrence has some 9260. He is found at Riverside Machine Shop in Dequeen, Arkansas. I have it from a knowledgable maker that 9260 is Britain's version of 5160. Take that for what it's worth. I have forged it and it does indeed act like 5160 in my opinion. Lin

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If you have ever unwound a GM coil spring, and used it, you have used 9260. They have been making hot wound coils springs from this at General Motors for a Loooong time. It will make fine blades.

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I have forged alot of it and I to agree it is just like 5160. I never intended to get it but that is what admiral steel sent me. The Si is alot higher then 5160 but I have not noticed any increase in brittleness.

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I used the same temps and times as for 5160.

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