Guangzhou Changfeng Steel Co., LTD
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1.2344 /H13 Hot Work Die Steel Sheet Black / Milling / Machined Surface
Introduction:
1.2344 / H13 is a high roughness high isotropy hot work die steel and has good thermal stability and thermal fatigue resistance.
1.2344 / H13 is a chromium, molybdenum, vanadium high-performance long-life general type alloy hot work mould & die steel produced by Hongsheng Heavy Industry and Shanghai University. It has high toughness, high tropism, high thermal stability and high resistance to cold and heat fatigue performance.
Equivalent grades:
| GB | DIN | AISI | JIS | ASSAB |
| 4Cr5MoSiV1 | 1.2344 | H13 | SKD61 | 8407 |
Available size(mm):
| Flat Bar Size(mm) | Round bar Size(mm) | |||
| Thickness | Width | Length | Diameter | Length |
| 16-260 | 205-610 | 3000-6000 | 16-200 | 300-6000 |
Suface treatment:
| Steel plate | Black / Milling / Machined |
| Round bar | Black / Grinding / Polished / Peeled / Turned |
Applications:
Mainly used in the manufacture of die-casting molds, hot forging molds, hot extrusion molds, high-strength plastic molds and other high-performance long life required hot molds, it can replace imported hot die steel Superior AISI H13, WNr. 1.2344, ASSAB 8407, SKD31, etc.
Chemical composition:
| Grade | C | Si | Mn | P | S | Cr | Mo | V |
| H13 | 0.32-0.45 | 0.80-1.20 | 0.20-0.50 | ≤0.030 | ≤0.030 | 4.75-5.50 | 1.10-1.75 | 0.80-1.20 |
| SKD61 | 0.32-0.42 | 0.80-1.20 | 0.20-0.50 | ≤0.030 | ≤0.030 | 4.75-5.50 | 1.10-1.75 | 0.80-1.20 |
| 1.2344 | 0.38-0.42 | 0.80-1.20 | 0.30-0.50 | ≤0.015 | ≤0.020 | 4.80-5.50 | 1.20-1.50 | 0.90-1.10 |
| 4Cr5MoSiV1 | 0.32-0.45 | 0.80-1.20 | 0.20-0.50 | ≤0.030 | ≤0.030 | 4.75-5.50 | 1.10-1.75 | 0.80-1.20 |
Feature:
Electro slag remelting, annealing with diffusion process and ultrafining heat-treatment has good microstructural homogeneity and finer dispersed carbides.
High isotropy, aspect ratios≥8.
Good tempering performance, high toughness, high temperature strength, good thermal stability and thermal fatigue resistance.
About packing:
Standard export packing or according to customer's request.
Heat treatment:
| Quenching ℃ | Tempering ℃/HRC | ||||||||
| 1020-1050℃ | 100 | 200 | 300 | 400 | 500 | 550 | 600 | 650 | 700 |
| Air/oil or slat bath | 52 | 52 | 52 | 54 | 54 | 54 | 50 | 42 | 32 |
Techinical service:
Die vacuum heat treatment and die surface treatment(N-O,C-N,carburize and nitridation surface treatment).
Delivery condition:
EF, or ESR, Hot rolled or forged, black surface, machined or milling.
Annealing hardness≤230HB, quenching hardness 51-55HRC, tempering hardness 46-50HRC.
About products:
About 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 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.
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.