Nitriding Steel DIN 1.8519 / 31CrMoV9 Alloy Steel Forged Bar For Piston Rods Black And Bright Surface
| Grade : | 31CrMoV9 |
| Number: | 1.8519 |
| Classification: | Nitriding steel |
| Standard: | | EN 10085: 2001 Nitriding steel. Technical delivery conditions | |
| Equivalent grades: | No information |
Chemical composition % of steel 31CrMoV9 (1.8519): EN 10085-2001
| C | Si | Mn | P | S | Cr | Mo | V |
| 0.27 - 0.34 | max 0.4 | 0.4 - 0.7 | max 0.025 | max 0.035 | 2.3 - 2.7 | 0.15 - 0.25 | 0.1 - 0.2 |
Mechanical properties of steel 31CrMoV9 (1.8519)
| Nominal thickness (mm): | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 |
| Rm - Tensile strength (MPa) (+QT) | 1100-1300 | 1000-1200 | 900-1100 | 850-1050 |
| Nominal thickness(mm): | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 |
| Rp0.2 0.2% proof strength (MPa) (+QT) | 900 | 800 | 700 | 650 |
| KV - Impact energy (J) (+QT) | +20°
25-40 |
| Nominal thickness (mm): | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 |
| A - Min. elongation at fracture (%) (+QT) | 9 | 10 | 11 | 12 |
| Brinell hardness (HB): (+A) | 248
|
Mechanical properties
| ReH | Minimum yield strength / Mindestwert der oberen Streckgrenze / Limite d elasticite minimale |
| Rm | Tensile strength / Zugfestigkeit / Resistance a la traction |
| A | Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal |
| J | Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc |
Heat treatment conditions
| +A | Soft annealed | | +AC | Annealed to achieve spheroidization of the carbides | | +AR | As rolled | | +AT | Solution annealed | | +C | Cold drawn / hard | | +CR | Cold rolled | | +FP | Treated to ferrite-pearlite structure and hardness range | | +I | Isothermal annealing | | +LC | Cold drawn / soft | | +M | Thermo mechanical rolling | | +N | Normalized | | +NT | Normalized and tempered | | | +P | Precipitation hardened | | +PE | Peeled | | +QA | Air quenched and tempered | | +QL | Liquid quenched and tempered | | +QT | Quenched and tempered | | +S | Treated to improve shearability | | +SH | As rolled and turned | | +SR | Cold drawn and stress relieved | | +T | Tempered | | +TH | Treated to hardness range | | +WW | Warm worked | | +U | Untreated | |
Mechanical Properties in Quenched and Tempered Condition
Forging
Hot forming temperature: 1050-850oC.
Machinability
No data.
Mechanical properties
1.8519, DIN 31CrMoV9 Mechanical properties,Our production completely according to the 1.8519, DIN 31CrMoV9 standards to meet the 1.8519, DIN 31CrMoV9 mechanical performance, can also according to the customer request, to meet the requirements of customers of 1.8519, DIN 31CrMoV9 mechanical properties.
Heat treatment
1.8519, DIN 31CrMoV9 Heat treatment,Our production completely according to the 1.8519, DIN 31CrMoV9 standards to meet the 1.8519, DIN 31CrMoV9 Heat treatment, can also according to the customer request, to meet the requirements of customers of 1.8519, DIN 31CrMoV9 Heat treatment.
Machining
1.8519, DIN 31CrMoV9 Machining,Our production completely according to the 1.8519, DIN 31CrMoV9 standards to meet the 1.8519, DIN 31CrMoV9 Machining, can also according to the customer request, to meet the requirements of customers of 1.8519, DIN 31CrMoV9 Machining.
Welding performance
1.8519, DIN 31CrMoV9 Welding performance,Our production completely according to the 1.8519, DIN 31CrMoV9 standards to meet the 1.8519, DIN 31CrMoV9 Welding performance, can also according to the customer request, to meet the requirements of customers of 1.8519, DIN 31CrMoV9 Welding performance.
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Nitriding Steel DIN 1.8519 / 31CrMoV9 Alloy Steel Forged Bar For Piston Rods Black And Bright Surface Images
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