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P20+S / 1.2312 Special Tool Steel Plate & Block For Plastic Mould

Categories Special Tool Steel
Brand Name: CF STEEL
Model Number: 1.2312 / P20+S / 40CrMnMoS8-6
Certification: ISO/Mill Certificate
Place of Origin: China
MOQ: 3tons
Price: 1000-1100$/ton
Supply Ability: 1000 Tons/ Month
Delivery Time: 15-20 days
Packaging Details: standard/customized
Payment Terms: D/A, D/P, T/T, L/C
Process Technique: Hot Rolled/forged
Surface Conditions: Black/Machined/Polished
Application: Die
Shape: Flat
Heat Treatment: Pre-hardened
Smelting: EAF+VD
Quality Inspection: 100% UT passed
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P20+S / 1.2312 Special Tool Steel Plate & Block For Plastic Mould

P20+S / 1.2312 Special Tool Steel Plate & Block For Plastic Mould

Production Introduction

P20+S tool steel is a plastic mold steel firstly produced by German brand Buderus, this steel with uniform hardness, good polishing performance, good machinability, pre-hardened, can be processed directly.


The machinability is increased compared to P20, and the wear resistance is increased over that of P20.


Annealed Hardness: 290 to 330 HBS


Pre-hardened Hardness: 28-32 HRC



Grade


W.NrDINAFNORAISI/SAE
1.231240CrMnMoS8-6(40CMD8S)P20+S

Chemical composition(%)


CMnSiCrMoNiS+P
0.28-0.400.6-1.00.20-0.801.40-2.000.30-0.550.05-0.10≤0.03

Heat treatment


Annealing1) Heated to720-750°C,Two to four hours heat preservation,
2) Furnace cooling
Stress relief

Preservation

1) Heated to560-650°C and then two to four hours heat

2) Furnace cooling or air cooling

Pre-hardened1) Preheat to 600-650°C
2) Heated to hardening temperature 840-840°C and heat preservation
3) Oil cooling
4) Hardness:HRC51
Drawing temper1) Immediately after quenching
2) When the 580-650°C,with the 1/inch to heat preservation


Application:


1. Large long-life plastic injection mold, such as household appliances, computer cases and other molds.
2. Thermoplastic extrusion die
3. Blow mold
4. Molding tools
5. Structural parts


Features:


1) Alloy tool steel which offers good machineability;
2) Excellent polished finish for large section;
3) Supplied in the hardened and tempered condition ready for machining;
4) In this condition it gives excellent wear resistance.


More about P20+S tool steel bar


* P20+S plastic mold steel is a German Gerritz imported conventional melting EF + LF + VD material.
* P20+S suitable for limited polishing, with excellent machinability, general chrome plating and sun protection, good toughness and machinability, not suitable for higher tanning and polishing.
* P20+S plastic mold steel is mainly used in plastic mold, mold, plastic mold and die-casting mold and so on.


P20+S/1.2312 round bar, flat bar, plate and block. As an alloy tool steel grade P20+S/1.2312 is commonly supplied in the hardened and tempered condition with a supply hardness of approximately 300HB.


This steel gives an excellent polished finish and is one of the most widely accepted specifications for machine cut plastic moulds and zinc die casting dies.


This grade gives excellent wear resistance but if maximum surface hardness is required for compression moulding plastic dies or similar tools, the steel can be case hardened or nitrided.

It has excellent hardening depth and good machinability,delivery to pre hardened and tempered condition,sulfur content is higher than 1.2311.Can impose nitriding processing(about 800HV), plating Nickel or chrome.


About Guangzhou Changfeng Steel Co., Ltd


We are group of companies and owned manufacturer bases and trading company. We specialized in plastic mold steel,hot work mould steel,cold work mould steel,alloy steel for mechanical,high speed steel,etc.


All material are with high quality and competitive price.


We are here waiting for a cooperation chance between us, contact us and you will have one more loyal mold steel supplier!


Our service

We provide quality special steel for all industries.

Orders of any size, any length, ship fast

We carry a unique inventory of specialty special steel

Provide related value-adding services :

metal cutting, sizing, machining (blanking, milling, grinding), and heat treatment.

Sawing for small or large quantities, sawing-to-size.

Excellent customer service

Contact Us

Contact us for the latest price and more details NOW!


Product Tags:

forging tool steel

  

carbon tool steel

  
Quality P20+S / 1.2312 Special Tool Steel Plate & Block For Plastic Mould for sale
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