Product Specifications
| Prod Model: |
A8 |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Size Range: |
Diameter: 20-480mm |
| Quality Standard: |
ASTM-A681 |
| Delivery Condition: |
Annealed, Qunched and Tempered |
| Surface Condition: |
Black, Grinded, Peeled, Polished |
| Type: |
Alloy Steel Bar |
| Standard: |
ASTM |
| Composition: |
Ferrous Steel Scrap |
| Special Use: |
Mold Steel |
| Application: |
Tool Steel Bar |
| Steel Grade: |
High Quality Steel |
| Technique: |
Hot Rolled, Forged |
| Shape: |
Round, Square, Flat |
| Surface Treatment: |
Black, Grinded, Peeled, Polished, Rough Turned |
Product Description
Shape:
Round, Flat, Square.
Size Range:
| | Diameter(mm) | Thickness (mm) | Width (mm) | Length(mm) |
| Round | 20-480 | - | - | 2000-5800 |
| Square | 20-480 | - | - | 2000-5800 |
| flat | - | 20-50 | 80-600 | 2000-5800 |
Steel-making Condition:
EF, EF/EAF+LF+VD, EF/EAF+ESR
Delivery Condition:
Annealed , Quenched + Tempered
Surface Condition:
Black, Grinded, Peeled, Rough turned, Polished
Features:
1.Competitive price
2.Immediate delivery
3.Premium quality
4.Reliable service
5.MOQ: 1 Ton
| Packing details | In seaworthy packing, as your requirement. |
| Delivery details | within 30-50 days |
Chemical Composition:
C | Mn | P | S | Si | Cr | Mo |
| 0.50-0.60 | 1.80-2.50 | 0.030max | 0.030max | 0.10-0.70 | 0.90-1.40 | 0.90-1.40 |
Heat Treatment:
Preheating: Heat at a rate not exceeding 400°F per hour to 1400-1450°F and equalize.
Austenitizing: Heat slowly from the preheat. Furnace or Salt: 1825-1850°F. Soak for 30 minutes for the first inch of thickness, plus 15 minutes for each additional inch.
Annealing: Annealing must be performed after hot working and before rehardening.
Heat at a rate not exceeding 400°F per hour to 1550°F, and hold at temperature for 1 hour per inch of maximum thickness; 2 hours minimum. Then cool slowly with the furnace at a rate not exceeding 50°F per hour to 1000°F. Continue cooling to ambient temperature in the furnace or in air. The resultant hardness should be a maximum of 241 HBW.
Hardening: Air, pressurized gas, or interrupted oil to 150-125°F.
Note: Sizes over 5 inches in cross section may not achieve full hardness by cooling in still air. It is usually necessary to increase the quench cooling rate between 1400 to 900°F by using an air blast, pressurized gas, or an interrupted oil quench. For the oil quench, quench until black, about 900°F, then cool in still air to 150-125°F.
Tempering: Temper immediately after quenching. Hold temperature for 1 hour per inch of thickness, 2 hours minimum, then air cool to ambient temperature. The typical tempering range is 300 to 600°F. Double tempering is recommended for tempering temperatures of 900°F and higher.
To minimize internal stresses in cross sections greater than 6 inches and to improve stability in tools that will be EDM'd after heat treatment, a soaking time of 4 to 6 hours at the tempering temperature is strongly recommended.
Introduction:
A8 is an air-hardening cold work tool steel. It exhibits good wearing qualities with excellent toughness characteristics. It is well suited for many metals working dies and punches, which operate in the hardness of Rockwell C 55-60.
Applications:
Punches, drift pins, pneumatic tools, chuck jaws, hammers, hot rolls, and hot and cold shear knives.
Contact Information:
FUSHUN SPECIAL STEEL CO., LTD.
Tel: 89-0731-89903933(CHANGSHA, Office)
Fax: +86-0731-89853933
Mobile: +86-18773142293
Website: www.fushunspecialsteel.com
To expand the international market and get the advantages of markets in Hong Kong, We, FUSHUN SPECIAL STEEL Co., Ltd, were established by Huangshi Chengquan Group in 2014.
Huangshi Chengquan Group consists of the following parts:
Ezhou Liufan Chengquan Forging & Casting Factory, established in 1995, covers an area of 10000 square meters. The production capacity is more than 10000 tons per year.
Foshan Shiyong Tool Steel Sales Co., Ltd. Founded in 1998, covers an area of 3000 square meters, annual inventory of 15000 tons.
Provide with the following services: Saw Cutting, Mold, Machining.
Based on its manufacturing capacity, We, Fushun Special Steel Co., Ltd., are engaged in the import and export of iron alloy steel and other special steel.
Export:
Our own products:
Tool Steel: (carbon tool steel, alloy tool steel, high-speed tool steel),
Die steel: (cold work die steel, hot work die steel, plastic die steel)
And sale: Structural steel(carbon structural steel, alloy structural steel)
Shape: Round, square, flat, heavy thickness plate, heavy wall thickness steel tube.
Stainless steel, Bearing steel, Spring steel, Cold Heading Steel, Forgings
Imports: Ferroalloy (chromium iron, nickel iron, vanadium iron, molybdenum iron, etc. )
To provide high quality services for global customers, We insist in the follow principles:
Best price: Try our best to give the lowest price
Top quality: Fake a penalty ten
Fast delivery: Timely delivery
One stop shop: With 20 year business experience, we know steel sources in China, and we can provide a one stop shop service.
After service: Responsive, quality objection don't shuffle.
