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Steel Type : Alloy Steel
Corrosion Resistant : Moderate, suitable for certain applications
Steel Standard : Other, ASTM A182
Hardness : 183235 HB (Brinell Hardness)
Grade : ASTM A182 Gr F5
Surface : Bright, Black, Polished
Steel Type : Alloy Steel
Corrosion Resistant : Moderate corrosion resistance
Steel Standard : Other, ASTM A182
Hardness : 163 217 HB
Grade : A182 Gr F11
Surface : Bright, Black, Polished, Peeled
Steel Type : Alloy Steel
Corrosion Resistant : Yes
Steel Standard : Other, ASTM, AISI, DIN, JIS
Hardness : 200241 HBW
Grade : AISI 4130 Gr F91
Surface : Polished, Bright, Black, Peeled, Turned
Steel Type : Alloy Steel
Corrosion Resistant : Yes, with proper surface protection
Steel Standard : Other, ASTM A182/F91, AISI 4140
Hardness : 180250 HB
Grade : AISI 4140 Gr F91
Surface : Bright, Black, Polished