ATI 409 HP™ Ferritic Stainless Steel


UNS S40900, S40910, S40920, S40930


Product Documents

Documents

Product Specifications By Form

Sheet

The composition and properties shown are for UNS S40930. The specified ranges of Ti and Cb are slightly different for UNS S40910 and UNS S40920.


Composition

ElementMinimum (weight %)Maximum (weight %)Typical (weight %)
Cr10.511.7 
Si 1.00 
Mn 1.00 
Ti0.050.75 
Ni 0.50 
P 0.040 
N 0.030 
C 0.030 
S 0.020 
(Ti+Cb)[0.08+8x(C+N)]0.75 
FeBalance  

Density

lb/in3g/cm3
0.2807.75

Tensile Strength

ksiMPa
55 min380 min

Yield Strength

ksiMPa
25 min170 min

Hardness

88 HRB max

Elongation

20% min

Specifications

ASTM A240, ASME SA-240

Strip

The composition and properties shown are for UNS S40930. The specified ranges of Ti and Cb are slightly different for UNS S40910 and UNS S40920.


Composition

ElementMinimum (weight %)Maximum (weight %)Typical (weight %)
Cr10.511.7 
Si 1.00 
Mn 1.00 
Ti0.050.75 
Ni 0.50 
P 0.040 
N 0.030 
C 0.030 
S 0.020 
(Ti+Cb)[0.08+8x(C+N)]0.75 
FeBalance  

Density

lb/in3g/cm3
0.2807.75

Tensile Strength

ksiMPa
55 min380 min

Yield Strength

ksiMPa
25 min170 min

Hardness

88 HRB max

Elongation

20% min

Specifications

ASTM A240, ASME SA-240

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