
High Hardness, High Wear Resistance Tool Steel Bar 4Cr13 / 1.2083 / 420
4Cr13 tool steel properties after quenching 3Cr13 hardness higher, corrosion resistance is good.
Use as a cutting tool, nozzle, valve seat and so on. 1Cr17Ni2 characteristics of a strong resistance to nitric acid and organic acid corrosion.
Use for higher hardness and high wear resistance of hot oil pumps, valves, valve bearings, medical equipment, springs and other parts.
Equivalent grades
GB | DIN | AISI | JIS |
4Cr13 | 1.2083 | 420 | S136 |
Chemical Composition(%)
C | Si | Mn | P | S | Cr | Mo | V |
0.35-0.45 | 0.30-0.70 | 0.40-0.80 | ≤0.015 | ≤0.003 | 12.00-14.00 | 0.20-0.40 | 0.20-0.40 |
Available size(mm)
Plate / Flat Bar Size(mm) | Round bar Size(mm) | |||
Thickness | Width | Length | Diameter | Length |
10-500 | 155-1200 | 2000-6000 | 20-300 | 3000-6000 |
Feature
1) Good corrosion resistance,abrasion resistance and machinability;
2) Good hardenability,low deformation rates;
3) Excellent cast polarimetry hardened state,high surface accuracy;
4) High precision can be maintained after long-term production;
5) Very low inclusion content,low maintenance costs,stable
production cycles;
6) It's attainable in high polish performance after quenching and
tempering.
Application
1, Used as a high hardness and high abrasion resistance of hot oil
pumps, valves, valves, bearings, medical equipment, springs and
other parts.
2, Production of PVC molds
3, Abrasion resistance and filling mold, including hot and hard
plastic mold, long-life mold, such as: disposable tableware mold
4, Production of optical products, such as cameras and sunglasses,
medical containers, laser discs and other products.
Recommend heat treatment
Project | Annealing | Quenching | Tempering |
Heating temperature/℃ | 750~800 | 1050~1100 | 200~300 |
Cooling | Furnace cold | Oil cold | Air-cooled |
Mechanical properties
● Mechanical properties:
Hardness: annealing ≤ 201HB, indentation diameter 3.9 ~ 4.3mm;
quenching, ≥ 50HV
● Heat treatment and microstructure specifications:
Heat treatment specifications: Quenching, 1050 ~ 1100 ℃ oil-cooled
Tempering, 200 ~ 300 ℃ fast cooling.
Metallography: The organizational characteristics of martensite
type.
Why Choose Us?
1. Competitive price and high quality
2. OEM/ODM order accept
3. Quick delivery and standard exporting package
4. Smooth production ability(1000tons/month)
5. Flexible payment with T/T, L/C
6. Approved by ISO9001, CE, SGS every year
7. Best service with 24 hours reply
Guangzhou Changfeng Steel Co., LTD
Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China.With twenty years experience in special steel industry, our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.
To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel, Daye Special Steel. We have thousand tons of stock materials in our own factory and also can provide processing services to customers. We are full of export experience for many years, the product covers America, Germany, France, Italy, Turkey, Singapore, Thailand, Malaysia, Vietnam, Taiwan, and Middle-East.
After years of development, the company has established a complete quality management and export service system. We have a group of experienced and competent elites and is capable of offering the best service to clients. Our company equips with large-sized Vertical saw machines, Horizontal saw machines, Milling machines, Grinding machines and other advanced equipments to provide customers with cutting and other processing services. All the products should be inspected the metallographic analysis, hardness, ultrasonic flaw detection and other strict inspection processes, which meet the standards of DIN, AISI, JIS and GB to ensure their function and quality.
Our company keeps the principle of “sincerely cooperation, endless striving for perfection”. We desire to establish the long-term mutual beneficial and win-win relationship with clients all over the world.