| Customization: | Available |
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| After-sales Service: | 24 Hours on Line |
| Warranty: | Three Years |
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1: DIN 1.6587 steel introduction
1.6587 is a low carbon, case-hardened (carburized) steel containing 1.8% chromium, nickel and molybdenum. It has sufficient plasticity and toughness, with high yield strength, tensile strength, endurance strength (yield ratio is generally about 0.85).
2: DIN1.6587 steel equivalent
| Country | China | Japan | Germany | USA | British |
| Standard | GB/T 3077 | JIS G4105/JIS | DIN (W-Nr.) EN 10250 |
AISI/ASTM ASTM A29 |
BS 970 |
| Grade | 17CrNiMo6 | 18CrNiMo7-6(1.6587) | 4815 |
3: DIN1.6587 steel chemical composition
| Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
| 4815 | 0.13-0.18 | 0.15-0.35 | 0.40-0.60 | 0.035 | 0.04 | / | 0.20-0.30 | 3.25-3.75 |
| 18CrNiMo7-6(1.6587) | 0.15-0.21 | 0.40 | 0.50-0.90 | 0.025 | 0.015 | 1.50-1.80 | 0.25-0.35 | 1.40-1.70 |
| 17CrNiMo6 | 0.15-0.20 | 0.40 | 0.40-0.60 | 0.035 | 0.035 | 1.50-1.80 | 0.25-0.35 | 1.40-1.70 |
4: DIN1.6587 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: DIN1.6587 steel overviews
| Size | Round | Dia 6-1200mm |
| 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 | 1.6587 is used in the fields of ships, vehicles, aircraft, missiles, weapons, railways, bridges, pressure vessels, machine tools and mechanical parts with large cross section. | |
6. Heat Treatment
Hot working temperature / ºC :1150 - 850;
Annealing / ºC : 650 - 700;
Carburzing / ºC : 880 - 980;
Quenching (center) / ºC : 830 - 870;
Quenching (surface) / ºC : 780 - 820;
Tempering / ºC : 150 - 200; HBW≤:229
7: Delivery condition
For hot forged bar, usually the delivery condition is hot forged, annealed/QT, rough turned/Black surface.
For hot rolled bar, usually the delivery condition is hot rolled, annealed/QT, Black surface.
For hot forged block, 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.
For cold drawn bar, usually the delivery condition is cold drawn, annealed/QT, peeled/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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