Guangzhou Changfeng Steel Co., LTD
The Customer Satisfaction Is The Soul Of Enterprise.
Add to Cart
Hot Work Goold Hardenability Hardness 420 / 1.2083 Plastic Mould Steel Flat Bar
Equivalent grades:
| GB | DIN | AISI | JIS |
| 4Cr13 | 1.2083 | 420 | S136 |
Application:
1,Used as a high hardness and high abrasion resistance of hot oil pumps, 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.
Chemical composition(%):
| C | Si | Mn | P | S | Cr | Mo | V |
| 0.30-0.40 | 0.30-0.70 | 0.40-0.80 | ≤0.015 | ≤0.003 | 12.00-14.00 | 0.20-0.40 | 0.20-0.40 |
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.
Recommend heat treatment:
| Quenching | Tempering | ||||
| Heating temperature/℃ | Cooling | Hardness/HRC | Heating temperature/℃ | Cooling | Hardness/HRC |
| 1000-1050 | OIL | 52-55 | 200-300 | AIR | 30-36 |
Available size(mm):
| Flat Bar Size(mm) | Round bar Size(mm) | |||
| Thickness | Width | Length | Diameter | Length |
| 12-90 | 155-1200 | 2000-6000 | 20-300 | 3000-6000 |
Surface treatment:
| Steel plate | Black / Milling / Machined |
| Round bar | Black / Grinding / Polished / Peeled / Turned |
Delivery condition:
For abundant stock, 15-20 days.For customized products, 30-50 days.
Terms of payment:
30% deposit T/T and the balance by L/C at sight, or T/T.
Corner of factory:
About us:
Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China. With more than 20 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.
Our company have introduced large-sized vertical saw machines, horizontal saw machines, milling machines, grinding machines and other advance equipments, we can export our products by wholesales and retail sales, whole plate or strip is available. All our products can meet the standards of DIN, AISI, JIS and GB, all the material should be inspected the ultrasonic, hardness and others strict inspection process before the shipment!
We can provide below service:
A. Steel plates: Cutting by bandsaw machine, milling, heat treatment, etc
B. Round bars: Cutting by bandsaw machine, peeling, grinding and turned, heat treatment, etc