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Carbon Steel (Grade SAE-1040)

Grade Introduction:

AISI 1040 equivalent to EN8/080M40. An unalloyed medium carbon steel. SAE 1040 is a medium strength steel with good tensile strength.

Supplied Condition:

Hot Rolled

Grade Applications:

Suitable for Shafts, Stressed Pins, Studs, Keys etc.

Equivalent Grades:

AISI BS 970 1955 EN BS 970 1991 Werkstoff  
1040 EN8 080M40 1.1186  

Chemical Composition:

C MN SI S P          
.37-.44 0.6-0.9 0.15-0.35 .05 max .04 max          

Hardness:

170-200 BHN

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