AISI 3115 Hot Forged Rolled Qt Flat Rods Special Steel
HUNAN QILU INDUSTRIAL CO., LTD.- After-sales Service：Yes
- Warranty：Three Years
- Type：Alloy Steel Bar
- Standard：AISI, ASTM, GB, JIS, DIN, BS
- Technique：Hot Rolled
- Surface Treatment：Polished
Base Info
- Model NO.：3115
- Special Use：Engineering Steel
- Heat Treatment：Annealed, Qt
- Payment Term：30% Tt Deposit, Balance Against Bl Copy
- Length：3000-5800mm
- Ex-Stock：No
- Delivery Date：30 Days
- Ut Standard：Sep 1921-84 D,D
- Grain Size：ASTM E112
- Non-Metallic Inclusiton：ASTM E45
- Transport Package：Seaworthy Package
- Specification：Thickness 8-800
- Trademark：Qilu
- Origin：China
- HS Code：722840
- Production Capacity：500, 000tons,Year
Description
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.
Hunan Qilu Industrial Co., Ltd were already engaged in exporting steel for 11 years, could supply a great variety of hot forged, hot rolled and cold drawn Steels, including engineering steel, cold work tool steel, hot work tool steel, plastic mold steel, spring steel, high speed steel, stainless steel etc., besides Qilu Industrial also has their own heating treatment shop and machining shop to provide heating and cutting service.
Since 2008 year, Hunan Qilu Industrial has the right to export all FORGED STEEL behalf of Qilu Speical Steel Co.,ltd which is specialized in smelting and forging of special steel since 1965 year, now Qilu special steel is one of the biggest manufacturer of forged product in China.The forged products are used in Automotive, Aerospace, Power Generation, Oil & Gas, Transportation and Industrial. We already set up the warehouse in Wuxi and Dongguan city, more than 20000 tons ex-stock could be supplied with kinds of size.
Qilu Industrial is the professional one-stop steel manufacturer, stockist and exporter in China, our customers spread all over the world, include West Europe, North America, South America, Asia, Middle Asia, Africa, Australia, etc.
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.
The main forging equipments mainly include:3 sets of 5t electro-hydraulic hammers, 1 set of high-speed forging units of 800t,1600t,2000t and 4500t respectively.
Any interests in our company and products, please feel free to contact us for quotation. We warmly welcome you to our factory.Hunan Qilu Industrial CO., LTD
Web: qilusteel.en.made-in-china.com