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3Cr2Mo/ P20 /1.2311//AISI P20 /DIN 1.2311 Plastic Mold Steel/Flat Bar/Steel Block/Round Bar

China 3Cr2Mo/P20/1.2311//AISI P20/DIN 1.2311 Plastic Mold Steel/Flat Bar/Steel Block/Round Bar, Find details about China Plastic Mold Steel P20, P20 Plastic Mold Steel from 3Cr2Mo/P20/1.2311//AISI P20/DIN 1.2311 Plastic Mold Steel/Flat Bar/Steel Block/Round Bar

Model NO.
P20
Special Use
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
Application
Tool Steel Bar
Trademark
Ningbo Ningshing
Specification
check detailed description
Origin
China
Model NO.
P20
Special Use
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
Application
Tool Steel Bar
Trademark
Ningbo Ningshing
Specification
check detailed description
Origin
China
 AISI P20 | DIN 1.2311 Plastic Mold Steel

3Cr2Mo/P20/1.2311//AISI P20/DIN 1.2311 Plastic Mold Steel/Flat Bar/Steel Block/Round Bar


Ningshing Special-Steel is one of the largest specialized stockiest and service center for tool steel and alloy steel in China. We have more than 20 years of experiences in supplying AISI P20 / DIN 1.2311 Plastic Mold Steel.


AISI P20 / DIN 1.2311 Plastic Mold Steel is a kind of plastic mold steel widely used in the world, with good comprehensive mechanical properties, good hardenability. It is easy to get the homogeneous hardness throughout the section for big dimension blocks. Good polish ability, good toughness on the surface. Delivered in Pre-hardening condition, used directly for making molds, that can guaranteegood usability and avoid the deformation in heat treatment.

Dimensions
Round: dia.10-500 mm
Hot Rolled Plate: 10-460 x 1600-2300 mm
Forged Block: 150-500 x 200-1900 mm
 

Delivery Condition
EAF+LF+VD, Forged, Q+T, Black surface or Machined surface, UT SEP1921 Class3 D/d
Hardness: 28-34HRC (or as per requirement)
 

Equivalence

AISI / SAE DIN / W.Nr JIS GB
P20 1.2311---- 3Cr2Mo


Chemical Composition(%)

Steel Grade C Si Mn P S Cr Mo
P20 0.28- 0.40 0.20- 0.80 0.60- 1.00 ≤ 0.030 ≤ 0.030 1.40- 2.00 0.30- 0.55
1.23110.35-0.45 0.20-0.40 1.30-1.60 ≤ 0.030 ≤ 0.030 1.80-2.10 0.15-0.25
3Cr2Mo 0.28-0.40 0.20-0.80 0.60-1.00 ≤ 0.030 ≤ 0.030 1.40-2.00 0.30-0.55


Applications

1. Making medium or large sized high precision plastic molds with long life.
2. Making low melting point alloyed die casting molds, like tin, zinc, lead.
 

Forging Technique

Heat Temperature Start Forging Temperature Finish Forging Temperature Cooling Method
1120-1160 °C 1070-1110 °C >=850 °C Sand Cooling or Slow Cooling


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Q1: What is Ningbo Ningshing Precision Machinery Group Co., Ltd ?
A1: Ningbo Ningshing Precision Machinery Group Co., Ltd., formerly known as Ningbo Ningshing Special-Steel Group Co., Ltd., is the leading distributor of Special Steel, and also a professional mold base maker in China. Our business involves special steel trading, machining processing, mold base making, heat treatment, CNC machines manufacturing.


Q2: Are you a manufacturer or a trader? 
A2: For Special Steel, we are the one of the leading distributors and service center in China. 9 warehouses with over 50,000 tons of regular stock. Our workshop has various kinds of equipments for sawing, milling, grinding, drilling etc.
For mold base, we are a professional manufacturer, with 24 sets of CNC machines, 3 axis and 5 axis, CMM for inspection. We produce medium-large sized mold base for plastic injection mold and die casting die.


Q3: How do you control the quality of steels?
A3: Firstly, we have very close and deep relationship with Chinese Prime Mills, choose supplier carefully, and regard them as the long term business partner. Based on the long term cooperation, we concentrate on special steel business and expand the market step by step. Secondly, we have own technical center which is formed by the experienced engineers and technicians whom ever worked for prime mills. We control the quality in production process, in-out warehouse.


Q4:: Which kind of processing can you do?
A4: We do machining processing like cutting, milling, grinding, turning, peeling, drilling, CNC machining. Meanwhile, we do vacuum heat treatment for die and mold.

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