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AISI P20 Tool Steel Hot Rolled Round Bar Dia 10 - 350mm Of Plastic Mold Steel

China Guangzhou Changfeng Steel Co., LTD certification
China Guangzhou Changfeng Steel Co., LTD certification
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AISI P20 Tool Steel Hot Rolled Round Bar Dia 10 - 350mm Of Plastic Mold Steel

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Large Image :  AISI P20 Tool Steel Hot Rolled Round Bar Dia 10 - 350mm Of Plastic Mold Steel

Product Details:
Place of Origin: China
Brand Name: CF
Certification: ISO / Mill Test Certificate
Model Number: 1.2311, P20 ,PDS-3, 3Cr2Mo
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Standard Export Packing or As per request
Delivery Time: 7-15 days
Payment Terms: T/T, L/C
Supply Ability: 1000 MT per month
Detailed Product Description
Heat Treatment: Annealed/Q + T Surface Treatment: Black/Peeled/Polished/Machined
Delivery Condition: Forged Or Hot Rolled Test: SGS/Ut 100%/Element Testing
Certificate: ISO/Mill Test Certificate Shape: Round Bar/Forged Bar
Hardness: 28 To 32 HRC Flaw Detection: CC / DD/ EE
Service: Free Sample And 24 Hours Online Standard: AISI, ASTM, DIN, GB,JIS,BS
High Light:

engineering special steels


air hardening tool steel


DIN1.2311/ AISI P20 Hot Rolled Round Bar (Dia10-350mm) of Plastic Mold Steel


Widely using range steel quenching and tempering P20 3Cr2Mo 1.2311 is a versatile, low-alloy tool steel that is characterized by good toughness at moderate strength levels. The special purpose Prehardening  mold steel P20 steel plate is commonly used for plastic injection mold cavities and tooling and for die casting dies for zinc. widely using range steel 1.2311 P20 mold steel plate material is typically sold in the pre-hardened condition at a hardness of approximately 300 HBW. And with good cutting mechanical property and Corrosion resistance.


Physical Properties


Density: 0.284 lb/in3 (7861 kg/m3)


Specific Gravity: 7.86


Modulus of Elasticity: 30 x 106 psi (207 GPa)


Thermal Conductivity


24 Btu/ft/hr/°F


41.5 W/m/°K


Machinability: 60-65% of a 1% carbon steel


Mechanical Properties


Properties Metric
Hardness, Brinell (typical) 300
Hardness, Rockwell C (typical) 30
Tensile strength, ultimate 965-1030 MPa
Tensile strength, yield 827-862 MPa
Elongation at break (in 50 mm (2″)) 20.00%
Compressive strength 862 MPa
Charpy impact (V-Notch) 27.1-33.9 J
Poisson’s ratio 0.27-0.30
Elastic modulus 190-210 GPa



1, Feature

a, Good hardness uniformity and polishing property,good machining properties.

b, Good integral machanical performance when under high temperature, high Corrosion resistance

c, Good heat-resistance and fatigue-resistance,very high mechanical behavior,cutting mechanical property.

d, Pre-hardened to HRC28-32, can be directly used on mould processing, shorten the construction period.

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 


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)


Round Bar Diameter (mm) Length (mm)
10-350 4000-12000
Forged Bar Diameter (mm) Length (mm)
200-800 2000-6000




5, 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;




AISI P20 Tool Steel Hot Rolled Round Bar Dia 10 - 350mm Of Plastic Mold Steel 0



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.


Contact Details
Guangzhou Changfeng Steel Co., LTD

Contact Person: Echo

Tel: +8613535323261

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