Excellent Polishability Special Alloy Steel for Die-casting Mold
(1.2311 P20 3Cr2Mo)
For high demand large-sized or medium-sized precision plastic mould
and alloy parts.
Used for various lager-sized or medium-size precision plastic mould
and alloy parts.
1, Ideally suited for the production of plastic moulds;
2, Die holders, zinc die casting dies, backers, bolsters and
3, Shafts, rails and wear strips.
1, Good hardenability;
2, Good integral machanical performance under high temperature;
3, Good heat-resistance and fatigue-resistance;
4, Good performance against liquid metal erosion;
5, High putity and homogeneous structure of China's biggest ESR
production base for its strict requirement in the whole process of
exploitation, smelting, vacuum degassing, ESR, forging, annealing,
Chemical Composition (%)
|Hardness after annealing||Max 230HB|
|Stress relieving||Approx 650ºC|
|Quenching media||Oil,salt bath,vacuum|
|Hardness after quenching||50-54HRC|
|Hardness after tempering||100ºC||200ºC||300ºC||400ºC|
1.For abundant stock, 15-20 days.
2.For customized products, 30-50 days.
About GUANGZHOU CHANGFENG STEEL CO.,LTD
Guangzhou Changfeng Steel Co., Ltd. is a professional special steel
company, which specializing in this line since 2005 in China. 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.
Q: Are you a manufacturer or merely a trader?
A: We are group of companies and owned manufacturer bases and
trading company. We specialized in plastic mould steel,hot work
mould steel,cold work mould steel,alloy steel for mechanical,high
speed steel, etc. All material are with high quality and
Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party,
such as SGS, CE,ISO if you need. Secondly, we have a complete set
of inspection system and every process is checked by QC. Quality is
the lifeline of enterprise survival.
Q: Delivery time?
A: We have ready stock for most of material grades in our
warehouse. If the material don't have stock, the delivery lead time
is about 30-50days (depend on the quantity)after receiving your
prepayment or firm order.
Q: What is the payment term?
A: T/T or L/C or Trade Assurance.
Q: Can we visit your company and factory?
A: Yes, warmly welcome! We can book the hotel for you before you
come to China and arrange our driver to our airport to pick you up
when you come.
Why Choose Us
1. Competitive price and quality from our own factory;
2. Approved by ISO9001, CE, SGS every year;
3. Best service with 24 hours reply;
4. Flexible payment with T/T,L/C , Trade Assurance;
5. Smooth production ability(1000tons/month);
6. Quick delivery and standard exporting package;