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We are a prominent supplier and exporter of a high-quality product range of Square Steel Bar Stock production ; many years' experience mostly focus on D2 Metal Super Alloy sheets production ; please contact me if you have any questions. We look forward working with you all around the globe. We believe we are your best choice. You are welcome to visit our factory.
Special Use | Mold Steel, Free Cutting Steel, Cold Heading Steel | Quality Gurantee | SGS/Ut Test 100% , Chemistry Test |
Quality Gurantee | SGS/Ut Test 100% , Chemistry Test | Trademark | YUXIN |
Trademark | YUXIN | Transport Package | Sea Worthy Package |
Transport Package | Sea Worthy Package | Specification | thickness 6-800mm, Diameter 16-1200mm |
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Standard | Grade | Chemical composition (%) | |||||||||
C | Si | Mn | S | P | V | Ni | Cr | Cu | Ti | ||
GB | T8A | 0.95~1.04 | ≤0.35 | ≤0.40 | ≤0.020 | ≤0.030 | 0.80-1.20 | ≤0.12 | ≤0.10 | ≤0.20 | -- |
AISI | W1-7 | 0.95~1.04 | ≤0.35 | ≤0.40 | ≤0.020 | ≤0.030 | 0.80-1.20 | ≤0.12 | ≤0.10 | ≤0.20 | -- |
JIS | SK6 | 0.95~1.04 | ≤0.35 | ≤0.40 | ≤0.020 | ≤0.030 | 0.80-1.15 | ≤0.12 | ≤0.10 | ≤0.20 | -- |
DIN | C80W1 | 0.95~1.04 | ≤0.35 | ≤0.40 | ≤0.020 | ≤0.030 | 0.90-1.10 | ≤0.12 | ≤0.10 | ≤0.20 |
Special Use | Mold Steel, Free Cutting Steel, Cold Heading Steel | Quality Gurantee | SGS/Ut Test 100% , Chemistry Test |
Quality Gurantee | SGS/Ut Test 100% , Chemistry Test | Trademark | YUXIN |
Trademark | YUXIN | Transport Package | Sea Worthy Package |
Transport Package | Sea Worthy Package | Specification | thickness 6-800mm, Diameter 16-1200mm |
Specification | thickness 6-800mm, Diameter 16-1200mm | Origin | China |
Origin | China | HS Code | 7228 |
HS Code | 7228 | Model NO. | SM55 |
Model NO. | SM55 | Special Use | High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel |
GB | DIN | ASIA | JIS |
3Cr2MnNi | 1.2311 | P20 | PDS-S |
1.2311 | C | Si | Mn | Cr | Mo | S | P |
0.35-0.45 | 0.20-0.40 | 0.60-1.00 | 1.80-2.10 | 0.30-0.55 | ≤0.003 | ≤0.003 |
Flat Bar Size | Round Bar Size(mm) | ||||
Thickness | Width | Length | Diameter | Length | |
10-700 | 155-2200 | 2000-6000 | 20-200 | 2000-6000 |
Tempering: | P20 tool steels are tempered at 482-593°C (900 to 1100°F) for a Rockwell C hardness of 28 to 34. |
Annealing: | Annealing takes place at 760-788°C (1400 to 1450°F) and then the steels are cooled slowly in the furnace at a temperature less than 4°C (40°F) per hour. |
Cold Working: | P20 tool steels are capable of being readily cold worked by using conventional tooling methods with the alloy in the annealed condition. |
Welding: | Conventional methods are used for welding of P20 tool steels. |
Forging: | P20 tool steels are forged at 1093°C (2000°F) down to 899°C (1650°F). Forging below 871°C (1600°F) is not recommended for these steels. |
Forming: | P20 tool steels can be readily formed by conventional methods in the annealed condition. |
Machinability: | P20 tool steels have excellent machinability at about 80% that of water hardening steels. |
Heat Treatment: | P20 tool steels are heated to 871-899°C (1600-1650°F) in the carburizing medium during the carburizing process. After being carburized, these steels are heated to 816-871°C (1500-1600°F) in order to be hardened and then held for 15 minutes and finally oil quenched. |
Applications: | P20 tool steels are used for low-temperature applications that include injection molds and die casting dies. |
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