UNS S43100

Style Martensitic Steel
Steel grade|AISI
Steel grade|ASTM
Steel grade|UNS S42800
C(％) 1.05-1.15
Si(％) 0.20-0.40
Mn(％) 0.25-0.50
P(％)Max 0.015
S(％)Max 0.01
Cr(％) 13.7-14.8
Ni(％) Max 0.35
Mo(％) 1.90-2.25
other (％) V 0.90-1.15,Nb 0.25-0.35,Cu Max 0.35
                       
Style Martensitic Steel
Steel grade|AISI 431
Steel grade|ASTM 431
Steel grade|UNS S43100
C(％) Max 0.20
Si(％) Max 1.00
Mn(％) Max 1.00
P(％)Max 0.04
S(％)Max 0.03
Cr(％) 15.0-17.0
Ni(％) 1.25-2.50
Mo(％) —
other (％) —
                       
Style Martensitic Steel
Steel grade|AISI 440A
Steel grade|ASTM 440A
Steel grade|UNS S44002
C(％) 0.60-0.75
Si(％) Max 1.00
Mn(％) Max 1.00
P(％)Max 0.04
S(％)Max 0.03
Cr(％) 16.0-18.0
Ni(％) —
Mo(％) Max 0.75


other (％) —Style Martensitic Steel
Steel grade|AISI 440B
Steel grade|ASTM 440B
Steel grade|UNS S44003
C(％) 0.75-0.95
Si(％) Max 1.00
Mn(％) Max 1.00
P(％)Max 0.04
S(％)Max 0.03
Cr(％) 16.0-18.0
Ni(％) —
Mo(％) Max 0.75
other (％) —
                       


Style Martensitic Steel
Steel grade|AISI 440C
Steel grade|ASTM 440C
Steel grade|UNS S44004
C(％) 0.95-1.20
Si(％) Max 1.00
Mn(％) Max 1.00
P(％)Max 0.04
S(％)Max 0.03
Cr(％) 16.0-18.0
Ni(％) —
Mo(％) Max 0.75
other (％) —
                       
Style Martensitic Steel
Steel grade|AISI 440F
Steel grade|ASTM —
Steel grade|UNS S44020
C(％) 0.95-1.20
Si(％) Max 1.00
Mn(％) Max 1.25
P(％)Max 0.04
S(％)Max 0.10-0.35
Cr(％) 16.0-18.0
Ni(％) Max 0.75
Mo(％) 0.40-0.60
other (％) NMax 0.08
                       
Style Martensitic Steel
Steel grade|AISI 440F Se
Steel grade|ASTM —
Steel grade|UNS S44023
C(％) 0.95-1.20
Si(％) Max 1.00
Mn(％) Max 1.25
P(％)Max 0.04
S(％)Max 0.03
Cr(％) 16.0-18.0
Ni(％) Max 0.75
Mo(％) Max 0.60
other (％) SeMin 0.15