P21 B40 Plastic Mold Steel Round Bar ASTM Standard Black Surface
P21 Steel Rod Of Hot Rolled Plastic Mould Steel
is a pre-hardened plastic mold steel.Factory hardness can reach HRC37-43.
Have a good polishing performance and carving, good electrical discharge.Use in the mirror polishing mold, auto parts discharge Processing die.The thickness of not more than 2MM thin sheet, efficient blanking die, punching die and embossing mold, all kinds of scissors, mosaic blade, woodworking blade, thread rolling and wear slider, cold heading die, thermosetting resin Forming mold, deep drawing die, cold extrusion die.
Chemical Composition(%)
| C | Si | Mn | P | S | Ni | Mo | Cu | Al |
| 0.10-0.18 | ≤0.35 | 1.70-2.0 | ≤0.030 | ≤0.030 | 2.90-3.40 | 0.20-0.50 | 0.80-1.20 | 0.70-1.10 |
Features:
1. No heat treatment, excellent optical polishing, machinability, good erosion
2. Vacuum degassing refining steel pure.
3. Spheroidized annealing softening treatment, good cutting performance.
4. Strengthen the elements of vanadium, molybdenum special addition, wear resistance is extremely excellent.
Applications:
General use in the mirror polishing mold, anti-dust, TV filter board, cosmetic box, precision wrinkle processing mold, office automation equipment, auto parts discharge processing mold.Transparent products or products requiring smoothness,such as home, cars, cameras,computers and other supplies on the transparent product mold.
1) Deep drawing die, cold extrusion die.
2) Thread rolling and wear resistant sliders.
3) Cold heading die, thermosetting resin molding die.
4) All kinds of scissors, mosaic blade, woodworking blade.
5) Thickness of not more than 2MM thin sheet, efficient blanking mold, punching die and impression die.
Terms of payment:
30% deposit T/T and the balance by L/C at sight, or T/T
Delivery condition:
For abundant stock, 15-20 days.For customized products, 30-50 days.
Our service:
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.
Warehous
Processing
Strict Quality Control
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


