| Customization: | Available |
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| After-sales Service: | 24 Hours on Line |
| Warranty: | Three Years |
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1: 1.5919 steel introduction
15CrNi6/1.5919 is a low-alloy steel containing chromium and Nickel as strengthening elements.It has good mechanical property for highly strained parts and good toughness at core tensile strength of 900 - 1200 N/mm2. This material is generally used driving bevel gears, crown wheels, gears, shafts, bolts for automotive and gear components.
2: 1.5919 Steel equivalent
| Country | Germany | USA |
| Standard | EN10250 | ASTM A29 |
| Grade | 15CrNi6/1.5919 | 3115 |
3: 1.5919 steel chemical composition
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
| 1.5919 | 0.14-0.19 | 0.4 | 0.4-0.6 | 0.025 | 0.035 | 1.4-1.7 | / | 1.4-1.7 |
| 3115 | 0.13-0.18 | 0.2-0.35 | 0.4-0.6 | 0.04 | 0.04 | 1.4-1.7 | / | 1.4-1.7 |
4: 1.5919 steel mechanical properties
The mechanical properties mainly include tensile strength, yield strength, elongation, area or reduction, hardness, impact value, non-metalic inclusion etc. Different heat treatment, the mechanical properties will be different, such as normalized, tempered, QT. If you want to know the properties, kindly contact the salesman.
5: 1.5919 steel overviews
| Size | Round | Dia 6-1000mm |
| Plate/Flat/Block | Thickness 6mm-500mm |
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| Width 20mm-1000mm |
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| Heat treatment | Normalized ; Annealed ; Quenched ; Tempered | |
| Surface condition | Black; Peeled; Polished; Machined; Grinded; Turned; Milled | |
| Delivery condition | Forged; Hot rolled; Cold drawn | |
| Test | Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc. | |
| Payment terms | T/T;L/C;/Money gram/ Paypal | |
| Trade terms | FOB; CIF; C&F; etc.. | |
| Delivery time | 30-45 days | |
| Application | 1.5919 alloy steels are used for driving bevel gears, crown wheels, gears, shafts, bolts for automotive and gear components | |
6:Heat Treatment
Normalizing For 15CrNi6
Nominal normalizing temperature:850-880°C
Hold the temperature for several hours
Cooling in the air
Annealing For 15CrNi6
Nominal Annealing temperature:650-700°C
Cool slowly in the furance
Maximum Brinell hardness of 229
Hardening and Tempering(QT) For 15CrNi6
Nominal Hardening temperature:820-870°C
Hold at this temperature then quench in oil or water
Tempering as soon as possible when the temperature low to ambient
Heat uniformly to the suitable temperature.
keep the material out of the furnace ,then cool in the air
Mechanical Property( for reference only)
Tensile strength: 880-1100MPa
Yield point: 635MPa
Percentage reduction of area after fracture: 40%
Elongation after fracture: 11%
Impact test (+20°C): Longitud - 40~60J
7: Delivery condition
For hot forged rolled bar, usually the delivery condition is hot forged or rolled, annealed/QT, rough turned/Black surface.
For hot forged or hot rolled bar, usually the delivery condition is hot rolled, annealed/QT, Black surface.
For hot forged plate, usually the delivery condition is hot forged, annealed/QT, milled surface/Black surface
For hot rolled plate, usually the delivery condition is hot rolled, annealed/QT, black surface.
Hunan Qilu Industrial Co., Ltd has the capacity to forge round steel, steel flat, square steel, module, shaft and roller, etc. The main specifications of the products include Φ80-1000mm forging materials and 80-1200mm square billets and which the maximum piece weight can reach 50T.
The company owns advanced special steel smelting facilities and forging processing equipments, the main steel-making equipment include 2 sets of 50t ultra-high power electric arc furnaces,2 sets of 60t LF refining furnaces,1 set of 60t vacuum degassing refining furnace and 4 sets of 1-20t electroslag re-melting furnaces.
Hunan Qilu Industrial CO., LTD
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