AISI P20+S Plastic Mould Steel
- Shizhang Steel
- China
- 7-30days
- 500 Tons/Month
Product Name:Plastic Mould Steel --- AISI P20+S
Similar Steel Grades:
U.S.A | AISI P20+S |
German | DIN 1.2312 |
Japan | -- |
Sweden | -- |
China | 40CrMnMoS8-6 |
Chemical Composition(%) :
C | Si | Mn | Cr | Mo | P | S |
0.35-0.45 | 0.30-0.50 | 1.40-1.60 | 1.80-2.00 | 0.15-0.25 | ≤0.03 | 0.05-1.10 |
Principal Feature:
AISI P20+S steel with excellent machinability properties because of the high S content, good toughness properties,good wear resistance, uniform hardness in all dimensions, dimensional stability, requiring no heat treatment, 280 - 325HB hardened and tempered condition, suitable for nitriding to increase wear resistance, not suitable for chrome plating,polishing and etch graining.
Typical Application:
AISI P20+S Suitable for large-scale long-life plastic injection mold, such as home appliances, computer case etc.
surface finish of plastic products mold; blow mold;Due to high hardness, P20+S special steel can be used for the slider of plastic mold, forming tools, structural parts and shaft.
Heat Treatment:
Forge: at 850℃-1050℃ Cool slowly and anneal immediatedly
Anneal: at 740℃-760℃ Cool slowly in furnace
Stress Relieve: at to 600℃-650℃ Cool in still air
Harden: Preheat at 580℃-680℃ raise to 850℃-880℃ Cool in air, oil or into salt bath held at 50℃-100℃ and then air cool
Size Available:
Bars | Turned | Dia 12-505mm |
Black | Dia 12-505mm | |
Flats | Milled | T: 10-800 W: 210-1000mm |
Black | T: 10-800 W: 210-1000mm |

Are you trading company or manufacturer ?
We are an excellent trading company with strong supply chain and distribution network, efficiency organization and coordination skills. We also win good reputation from our customers.Could you customize as our request?
Yes,absolutely, only if you just tell your demands, we can offer the customized solution for you, such as material, hardness, thickness,width and so on.What about the payment terms ?
We accept different kinds of payment terms like T/T, L/C , Cash, Western Union etc .Do you provide samples ?
Yes ,we would provide samples For Free . The courier freight will be covered by customer's account.How can I visit your company ?
Welcome to visit our company at any time. We will help you accessing the business visa to China . Assist arranging your schedule in China ,including the factory visiting , products quality checking , car picking up, hotel booking , food service etc.
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