Prehardening 1.2311/ P20/ 3Cr2Mo Special Tool Steel Flat Bar and Round Bar
1, Characteristics:
a, Good hardenability
b, Good integral machanical performance under high temperature
c, Good heat-resistance and fatigue-resistance
d, Good performance against liquid metal erosion
e, 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, inspection
2, Equivalent Grades:
| GB | DIN | AISI | JIS |
| 3Cr2Mo | 1.2311 | P20 | PDS-3 |
3, Chemical Composition (Wt%) :
| Steel Grade | C | Si | Mn | Cr | Mo | S | P |
| 1.2311 | 0.35-0.45 | 0.20-0.40 | 0.60-1.00 | 1.80-2.10 | 0.30-0.55 | ≤0.003 | ≤0.030 |
| P20 | 0.35-0.45 | 0.20-0.40 | 0.60-1.00 | 1.80-2.10 | 0.30-0.55 | ≤0.003 | ≤0.030 |
| PDS-3 | 0.35-0.45 | 0.20-0.40 | 0.60-1.00 | 1.80-2.10 | 0.30-0.55 | ≤0.003 | ≤0.030 |
4, Available Size (mm):
| Plate Size(mm) | Flat Bar Size(mm) | Round Bar Size(mm) |
| Thickness | Width | Length | Thickness | Width | Length | Diameter | Length |
| 10-700 | 1600-2200 | 4000-10000 | 10-700 | 155-2200 | 2000-6000 | 20-200 | 2000-6000 |
5, Recommend Hear Treatment:
| Quenching | Tempering |
| Heating temperature/℃ | Cooling way | Hardness (HRC) | Heating temperature/℃ | Cooling way | Hardness
(HRC) |
| 850-880 | Oil Cooling | 50-52 | 580-640 | Air Cooling | 28-32 |
6, Applications:
Used for various lager-sized or medium-size precision plastic mould and alloy parts.
a, Ideally suited for the production of plastic moulds;
b, Die holders, zinc die casting dies, backers, bolsters and injection moulds;
c, Shafts, rails and wear strips;
Our service
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.
a, Sizes, materials and others are all at your requirements and can be changed;
b, Price varies on materials, dimensions, finish craft and different payments;
c, We are direct manufacture in machinery manufacturing work with experience of several decades;
d, Detail production design will be made according to information you offered;
e, We have adequate inventory, so that we can quick delivery;
f, The most important is that we have advanced equipment.
Product Tags:
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Pre Hardening Round Tool Steel Bar Homogeneous Structure P20 / 3Cr2Mo Images
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