Product Description
1.2343 SKD6 Hot Work Tool Steel H11 Forged Round Bar
Equivalent Grades:
Standard | AISI/SAE | W.Nr/DIN | JIS | GB |
Grade | H11 | 1.2343 | SKD6 | 4Cr5MoSiV |
Typical Chemical Composition (%)
C | Si | Mn | Cr | Mo | V |
0.33-0.42 | 0.80-1.20 | 0.20-0.50 | 4.80-5.50 | 1.10-1.60 | 0.30-0.60 |
Heat Treatment of 1.2343/H11 steel
Annealing: 750 to 800ºC, slow cooling in furnace (10-20ºC/hr), down to 600ºC, cooling in air. Hardness after annealing: max. 230 HB.
Stress relieving: 600 to 650ºC, slow cooling in furnace. Hold in neutral atmosphere for 1 to 2hours.
Hardening: 1000 to 1040ºC, oil/air, hold 15 to 30 minutes. Hardness , 52 to 56 HRC in oil, 50 to 54 HRC in air.
Tempering: 560 to 580ºC. Slowly heating to tempering temperature right after hardening. Recommended to temper at least twice. The second tempering temperature shall be approx. 30ºC lower than the first tempering.
Tempering ºC | 300 | 400 | 500 | 580 |
HRC | 53 | 53 | 54 | 50 |
* Hardening temperature: 1020ºC, specimen size: dia50mm
Applications:
Heavy duty hot work tools and dies: mandrels, dies, and containers for metal tube and rod extrusion; hot extrusion equipment; tools and dies for the manufacture of hollow bodies, screws, rivets, nuts, and bolts. Die casting equipment, forming dies, die inserts, hot shear blades, and plastic moulding dies.
FAQ
Q1: Are you a manufacturer or merely a trader?
A1: We are not only a stockist of Hot rolled products but also a manufacturer of forged products with our own Forging Mill
Q2: What do you do to control the quality?
A2: Before loading, our products will all be inspected by ultrasonic inspection. Quality Grade conforms to SEP 1921-84 E/e, D/d, C/c as per the customer's request.
Q3:: What are your hot-selling products?
A3: S50C, 1.2311, D2/1.2379, H13/1.2344, CR12MOV, DC53, CR8, abundant stock for both plates and rounds. Competitive prices and short lead-time.
Q4: Can we visit your company and factory?
A4: Yes, warmly welcome! We will book the hotel and assign our driver to pick you up at the airport when you visit.