| Type: | Round |
|---|---|
| Standard: | AISI, ASTM, DIN, JIS, GB, BS |
| Composition: | Steel |
| Technique: | Hot Rolled |
| Shape: | Bar |
| Surface Treatment: | Polished |
| Samples: |
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| Customization: |
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Audited Supplier ASTM T1 1.3355 HS18-0-1 SKH2 High Speed Tool Steel
T1 tool steel is one of the original tungsten high speed steels, although all tungsten steel grades are used to a limited extent because of the cost and questionable availability of tungsten. Of the T group steels, the general purpose T1 tool steels and the high-vanadium-cobalt T15 are most commonly used.
2: T1 Steel equivalent
| Country | USA | German | Japan |
| Standard | ASTM A600 | DIN EN ISO 4957 | JIS G4403 |
| Grade | T1 | 1.3355/HS18-0-1 | SKH2 |
3: T1 steel chemical composition
| Grade | C | Si | Mn | P | S | Cr | Mo | V | W | Co |
| T1 | 0.62-0.8 | 0.2-0.4 | 0.1-0.4 | 0.03 | 0.03 | 3.75-4.5 | / | 0.9-1.3 | 17.25-18.75 | / |
| 1.3355 | 0.73-0.85 | 0.65 | 0.4 | 0.03 | 0.03 | 3.6-4.5 | / | 1.0-1.2 | 17.2-18.7 | / |
| SKH2 | 0.73-0.83 | 0.45 | 0.4 | 0.03 | 0.03 | 3.8-4.5 | / | 1.0-1.2 | 17.2-18.7 | / |
4: T1 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: T1 steel overviews
| Size | Round | Dia 2-300mm |
| Plate/Flat/Block | Thickness 2mm-20mm |
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| Width 10mm-100mm |
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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 | T1 are used for Broaches, Drills, Hobs, Knurling Tools, Lathe Tools, Milling Cutters, Nut Piercers, Planer Tools, Reamers, Shaving Tools, Taps, Thread Cutting Tools. | |
6. T1 Steel Heat Treatment and Properties
| Treatment | Temperature Range | Cooling/Quenching | Notes |
| Forging | 1700-2100° F | Slow. | Cool slowly in dry sand or in other insulating media. |
| Annealing | 1600-1650° F | Cool slowly at a rate of 35° F per hour to 1000° F. | For best results, insulating media is desirable. Hold at temperature for 2 hours. |
| Stress Relieving | 1100-1300° F | Cool slowly | Stress relieve after rough machining |
| Preheating | 1500-1550° F | Preheat time in furnace is ¾ Hr. per inch of thickness. Heating up to temperature as slow as possible. | |
| Hardening | 2325-2375° F (furnace) | Quench in air or warm oil. To minimize quenching strains, quench in salt at 1000° F | For maximum wear resistance, harden at 2375° F. For maximum toughness and high hardness, harden at 2275° F. |
| 2275-2350° F (salt bath) | |||
| Tempering | 1022 ° F-1058 ° F | Temper T1 high-speed steel immediately after quenching. Hold for at least two hours | Double tempering is recommended. The usual tempering time is 2+2 hours. Recommended temperature is 1000-1075° F for cutting tools. 1100-1200° F for shock tools |
7: Delivery condition
For hot rolled bar, usually the delivery condition is hot rolled, annealed, Black surface.
For cold drawn plate, usually the delivery condition is cold drawn, 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.
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
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