• Model NO.：S7
• Special Use：Mold Steel
• Application：Tool Steel Bar
• Payment Term：30% Tt Deposit, Balance Against Bl Copy
• Length：3000-5800mm
• Ex-Stock：Yes
• Delivery Date：30 Days
• Ut Standard：Sep 1921-84 D,D
• Grain Size：ASTM E112
• Non-Metallic Inclusiton：ASTM E45
• Form：Round Bars, Flat Bar , Blocks, Tube
• Process：Eaf+Lf+Vd+Forged+Heat Treatment(Optional)
• Technology：Hot Rolled, Forged, Cold Drawn
• Heat Treatment：Normalized;Annealed ;Quenched ;Tempered
• Surface：Black; Peeled; Polished; Machined; Grinded; Turned
• Test：Ensile Strength, Yield Strength, Elongation,
• Certificate：ISO, Mill Certificate
• Experience：15 Years Manufacturer Experience
• Transport Package：Seaworthy Package
• Specification：DIA 60-600
• Trademark：Qilu
• Origin：China
• HS Code：722840
• Production Capacity：500, 000tons,Year

 Physical PropertiesMetricEnglishCommentsDensity 7.76 g/cc0.280 lb/in³  Mechanical PropertiesMetricEnglishCommentsHardness, Brinell 187 - 223187 - 223AnnealedHardness, Rockwell C 45.0 - 57.045.0 - 57.0After typical heat treatment Thermal PropertiesMetricEnglishCommentsCTE, linear  12.6 µm/m-°C
@Temperature 20.0 - 200 °C7.00 µin/in-°F
@Temperature 68.0 - 392 °F  13.3 µm/m-°C
@Temperature 20.0 - 650 °C7.39 µin/in-°F
@Temperature 68.0 - 1200 °F  Processing PropertiesMetricEnglishCommentsProcessing Temperature 205 - 620 °C401 - 1150 °FTempering 925 - 955 °C1700 - 1750 °FHardeningAnnealing Temperature 815 - 845 °C1500 - 1550 °FMax cooling rate = 14°C/hr Component Elements PropertiesMetricEnglishCommentsCarbon, C 0.450 - 0.550 %0.450 - 0.550 % Chromium, Cr 3.00 - 3.50 %3.00 - 3.50 % Iron, Fe 92.0 - 94.9 %92.0 - 94.9 %As remainderManganese, Mn 0.200 - 0.90 %0.200 - 0.90 % Molybdenum, Mo 1.3 - 1.80 %1.3 - 1.80 % Silicon, Si 0.200 - 1.0 %0.200 - 1.0 % Vanadium, V 0.200 - 0.300 %0.200 - 0.300 %Optional


D2 used for Blanking Dies, Forming Dies, Coining Dies, Slitting Cutters, Heading Tools, Long Punches, Forming Rolls, Edging Rolls, Master Tools, Beading Rolls, Intricate Punches, Extrusion Dies, Drawing Dies, Lamination Dies, Thread Rolling Dies, Shear Blades, Burnishing Tools, Gauges, Knurls, Wear Parts.

 
6: Delivery condition
For hot forged bar, usually the delivery condition is hot forged, annealed rough turned/Black surface.
For hot rolled bar, usually the delivery condition is hot rolled, annealed, Black surface.
For hot forged plate, usually the delivery condition is hot forged, annealed, milled surface
For hot rolled plate, usually the delivery condition is hot rolled, annealed, 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.













Hunan Qilu Industrial CO., LTD
Web: qilusteel.en.made-in-china.com 
 
Tel: 86-731-85185768
Fax: 86-0731-85185771