
Forged Steel Block 1.2738 For Making High Demand Large Plasic Mould
Chemical Composition(%):
Grade | C | Si | Mn | P | S | Cr | Mo | Ni |
P20+Ni | 0.30-0.40 | 0.20-0.50 | 1.00-1.50 | ≤0.030 | ≤0.030 | 1.50-2.00 | 0.25-0.40 | 0.80-1.20 |
1.2738 | 0.35-0.45 | 0.20-0.40 | 1.30-1.60 | ≤0.035 | ≤0.035 | 1.80-2.10 | 0.15-0.25 | 0.90-1.20 |
718 | 0.32-0.45 | 0.20-0.40 | 1.10-1.50 | ≤0.030 | ≤0.030 | 1.70-2.00 | 0.30-0.55 | 0.80-1.20 |
Introduction:
1.2738 is one kind of pre-harndened mirror plasitc die steel. With the alloy optimization and structure control key technology, we can gurantee the steel die block has high hardness uniformity, excellent polishing property and maching property with largest cross sections in China.
Available size(mm):
Flat Bar Size(mm) | Round bar Size(mm) | |||
Thickness | Width | Length | Diameter | Length |
155-1000 | 800-1600 | 2000-6000 | 20-200 | 2000-6000 |
Similar grades: DIN-1.2738 / AISI-P20+Ni / ASSAB-718 / GB-3Cr2niMnMo
Recommend heat treatment:
Quenching | Tempering | ||||
Heating temperature | Cooling | Hardness/HRC | Heating temperature | Cooling | Hardness/HRC |
840-870 | OIL OR AIR | ≥50 | 550-640 | AIR | 28-36 |
Applications:
1,Plastic molds for injection compressing and injection molding
2,TV cabinets,drum mold of washing machine,etc.
Features:
1, | Good welding property of pre-hardened die blocks; |
2, | Good polishing property(high hardness uniformity,hardness fluctuation≤2HRC); |
3, | Excellent working; |
4, | Extra large cross sections:700mm×1300mm and weighs 20MT for one piece; |
5, | Application hardness:28-36HRC. |
Devlivery condition:
EF or ESR, Hot rolled or forged, black surfaceor milling, hardned or tempering to 33-37HRC.
Our service:
1, Sample can be offered with sample charge can courier fee by buyer’s side;
2, We have full stock, and can deliver within short time. Many styles for your choices;
3, Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you;
4, All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
Our main products:
Plastic mould steel: S50C/1.1210/SAE1050, 1.2311/PDS-3/P20, 1.2738/P20+Ni, NAK80/P21, 1.2083/420
Hot work mould steel: H13/1.2344/SKD61, 1.2713/L6/SKT4, 1.2581/H21/SKD5
Cold work mould steel: 1.2379/D3/SKD1, 1.2510/O1/SKS3, 1.2080/D3/SKD1
Alloy steel: 1.7035/SCr440/SAE5140, 1.7225/SAE4140/SCM440, EN31/SAE52100, 1.6511/SAE4340
High speed steel: M2/1.3343/SKH51, T1/1.3355/SKH2, M35/1.3243/SKH35, M42/1.3247/SKH59
Corner of factory:
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.