ATI 15-7 / ATI 15-7-MIL Semi-Austenitic Stainless Steel


UNS S15700


Product Documents

Documents

Product Specifications By Form

Sheet

ATI 15-7™ Alloy is typically supplied in the solution annealed condition. The mechanical properties in this condition are 150 ksi (1,034 MPa) max. tensile strength, 65 ksi (448 MPa) max. yield strength, 25% min. elongation, and a maximum hardness of 100 HRBW. The mechanical properties of material precipitation heat treated according to AMS 5520 are shown below.


Composition

ElementMinimum (weight %)Maximum (weight %)Typical (weight %)
Cr14.016.0 
Ni6.507.75 
Mo2.003.00 
Al0.751.50 
Si 1.00 
Mn 1.00 
C 0.09 
P 0.040 
S 0.030 
FeBalance  

Density

lb/in3g/cm3
0.2827.80

Tensile Strength

ksiMPa
190 min1310 min

Yield Strength

ksiMPa
170 min1172 min

Hardness

48 HRC max

Elongation

2-6% min

Specifications

ASTM A693, ASME SA-693, AMS 5520

Strip

ATI 15-7™ Alloy is typically supplied in the solution annealed condition. The mechanical properties in this condition are 150 ksi (1,034 MPa) max. tensile strength, 65 ksi (448 MPa) max. yield strength, 25% min. elongation, and a maximum hardness of 100 HRBW. The mechanical properties of material precipitation heat treated according to AMS 5520 are shown below.


Composition

ElementMinimum (weight %)Maximum (weight %)Typical (weight %)
Cr14.016.0 
Ni6.507.75 
Mo2.003.00 
Al0.751.50 
Si 1.00 
Mn 1.00 
C 0.09 
P 0.040 
S 0.030 
FeBalance  

Density

lb/in3g/cm3
0.2827.80

Tensile Strength

ksiMPa
190 min1310 min

Yield Strength

ksiMPa
170 min1172 min

Hardness

48 HRC max

Elongation

2-6% min

Specifications

ASTM A693, ASME SA-693, AMS 5520

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