High-Strength 1045 Carbon Steel
Disc, 1" Long, 4" Diameter
Relative Length | Short |
Length | 1" |
Diameter | 4" |
Diameter Tolerance | -0.006" to 0" |
Fabrication | Cold Worked |
Yield Strength | 77,000 psi |
Hardness | Rockwell B90 |
Hardness Rating | Medium |
Maximum Hardness After Heat Treatment | Not Rated |
Specifications Met | ASTM A108 |
Appearance | Plain |
Certificate Form | Digital |
Certificate Type | Material Certificate with Traceable Lot Number |
Coefficient of Thermal Expansion | Not Rated |
Elongation | 19% |
Heat Treatable | Yes |
Length Tolerance Type | Plus |
Material | 1045 Carbon Steel |
Material Composition | |
Carbon | 0.43% to 0.50% |
Iron | Remainder |
Manganese | 0.60% to 0.90% |
Phosphorus | 0% to 0.04% |
Silicon | 0.15% to 0.30% |
Sulfur | 0% to 0.05% |
Maximum Temperature | Not Rated |
Minimum Temperature | Not Rated |
Performance | High Strength, Extra High Strength, Machinable, Highly Weldable |
Shape | Disc, Rod |
Straightness Tolerance | Not Rated |
Tolerance Rating | Undersized |
Warning Message | Physical and mechanical properties are not guaranteed. They are intended only as a basis for comparison and not for design purposes. |
Country of Origin | United States |
DFARS Compliance | Specialty Metals COTS-Exempt |
Export Control Classification Number (ECCN) | EAR99 |
REACH Compliance | REACH (EC 1907/2006) (02/04/2026, 253 SVHC) Compliant |
RoHS Compliance | RoHS 3 (2015/863/EU) Compliant |
Schedule B Number | 721550.0060 |
U.S.–Mexico–Canada Agreement (USMCA) Qualifying | Yes |
Additional Specifications |
Stronger than low-carbon steel with equally good machinability, 1045 carbon steel is widely used for bolts, studs, and shafts.
If you don't see the size you're looking for, check out our Made-to-Order 1045 Carbon Steel Rods.
The information in this 3-D model is provided for reference only.