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Carbon Steel Round Bar H-11
Round Bar Products Description
H11 Round Bar is a high performance chromium based tool steel with excellent toughness and thermal fatigue resistance.
H11 Steel Bar belongs to the "H" series of steels and contains about 5% chromium which enhances the mechanical properties of H11 Carbon Round Bar. H11 Round Bar is NMened by heat treatments such as quenching, tempering, annealing and normalizing to ensure durability and performance in a wide range of conditions.
Carbon Steel H11 Round Bar is also used in other tooling applications such as hot shear blades and extrusion tools, as well as machine parts such as screws, nuts and bolts.
Carbon Steel Round Bar H-11 Products Details
H11 Round Bar Chemical Composition
| C | Si | Mn | P | S | Cr | Mo | V |
|---|---|---|---|---|---|---|---|
| 0.30-0.40 | 0.80-1.25 | 0.20-0.60 | 0.03 | 0.03 | 4.75-5.50 | 1.25-1.75 | 0.20-0.50 |
H11 Round Bar Mechanical Properties
| Tensile strength | 1792 MPa |
|---|---|
| Yield Strength | 1482 MPa |
| Elongation | 8% |
| Impact Toughness | 13.6-33.9 J/cm2 |
| Hardness | 52-57 HRC |
Carbon Steel H11 Round Bar Physical Properties
| Coefficient of thermal expansionat °C | 20-100 | 20-200 | 20-300 | 20-400 | 20-500 | 20-600 | 20-700 |
|---|---|---|---|---|---|---|---|
| 10-6 m/(m*K) | 11.7 | 12.3 | 12.5 | 12.7 | 12.75 | 12.9 | 12.9 |
| Thermal Conductivity °C | 20 | 350 | 700 |
|---|---|---|---|
| W/(m*K)Annealed | 29.8 | 30.0 | 33.5 |
| W/(m*K)Quenched & Tempered | 26.7 | 27.4 | 30.4 |
H11 Round Bar Equivalent Grade
| Country | USA | German | Japan | British |
|---|---|---|---|---|
| Standard | ASTM A681 | DIN EN ISO 4957 | JIS G4404 | BS 4659 |
| Grades | H11/T20811 | 1.2343/X37CrMoV5-1 | SKD6 | BH11 |
H11 Steel Round Bars Density
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.81 g/cm3 | 0.282 lb/in3 |
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