What is the recommended thickness for P20+Ni blocks?

P20+Ni is recommended for the Blocks thickness over 450mm.

What are the main applications of this steel?

Suitable for making oversized or large size plastic molds with high precision and long service life. Used for making low melting-pointed alloyed die casting moulds, like Tin, Zinc, Lead.

Durable GB CT738 Special Tool Steel for Plastic Moulds

Name: Durable GB CT738 Special Tool Steel for Plastic Moulds
Brand: Ningbo Ningshing Precision Machinery Group Co., Ltd.
SKU: 2072448965

Zhejiang, ChinaNingbo Ningshing Precision Machinery Group Co., Ltd.

US$1,000.00-2,000.00

1 Ton

Product profile

Customization

Available

Standard

DIN, JIS, AISI, ASTM, GB, BS

Technics

Forged

Model NO.

1.2738

Application

Die Steel Bar

Surface

Black

Alloy

Special Use

High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel

Heat Treatment

Annealed/Normalized/Q+T

Other Type 1

Engineering Steel, Cold Work Tool Steel

Other Type 2

Hot Work Tool Steel, Plastic Mold Steel

Quality Inspection

Ut,Chemical Composition,Physical Properties/SGS

Model NO.

1.2738/P20+Ni

Transport Package

Nude Packing

Specification

check detailed description

Trademark

Ningbo Ningshing

Origin

China

Key features

Wide Dimension Range: Thickness 20-450mm, Width 1600-2300mm, Length 3000-5800mm available.

Customized Heat Treatment: Options include Annealed, Normalized, Q+T, or as customized.

High Hardness Options: Hardness 28-34HRC or 30-36HRC available for large size steel.

Excellent Polishing Ability: Suitable for high precision plastic molds with good usability.

Uniform Hardness: Ensures uniform hardness throughout section after quenching and tempering.

100% UT Inspection: All products undergo 100% Ultrasonic Testing for quality assurance.

Customized Machining: Cutting, milling, grinding, turning, and CNC machining services available.

OEM/ODM Service: Full customization, minor customization, and flexible customization options.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export Experience

Ningbo Ningshing Precision Machinery Group Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 18 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤2.51h

AI-Powered supplier vetting

SummaryThe supplier is explicitly identified as a professional technical supplier with R&D capability, 3D software design services, and extensive customization options. Its production resources include CNC machining, milling, grinding, heat-treatment, tempering, sawing, and saw milling equipment. Quality and service management evidence includes documented finished-product inspection instructions, complaint-handling procedures, quality assurance, raw-material traceability, supplier-service procedures, and corrective/preventive action records. The supplier reports 21 years of export experience and recent new-product development. However, it does not provide ODM services, OEM services for popular brands, SDK support, overseas warehouses, overseas showrooms, overseas agents or branches, or offline trade-show participation. No sufficient evidence is provided for certifications, financial credibility, or identifiable customer cases.

Supplier typeThe supplier is explicitly described as a professional technical supplier and reports business activities including general-purpose parts manufacturing, plastic products manufacturing, machinery and hardware-related sales, and mechanical parts and spare-parts sales. This supports classification as a technical manufacturing and industrial parts supplier.

After-Sales capabilityThe supplier describes technical support and after-sales service as part of its management and service system, and it has a clear customer-complaint procedure with followed records. However, it reports no overseas warehouse, showroom, overseas agent or branch, and no offline trade-show participation, indicating documented after-sales processes but limited overseas service infrastructure.

R&D capabilityThe supplier is identified as having R&D capability, provides 3D software design services, and reports new products during the past year. Its technical support system includes laboratory, new-product R&D, quality control, technical training, information management, and professional personnel development, although it does not provide ODM or SDK services.

Production capacityThe listed facility includes CNC machining, milling, grinding, heat-treatment and tempering furnaces, sawing, and saw milling equipment. The business scope also covers parts and plastic-product manufacturing, providing explicit evidence of relevant production capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, minor customization, full customization, and flexible customization. These capabilities are stated both for design services and professional technical supply, indicating broad customization coverage.

Product Q&A

Q:What is Ningbo Ningshing Precision Machinery Group Co., Ltd?

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.

Q:Are you a manufacturer or a trader?

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.

Q:How do you control the quality of steels?

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.

Q:Which kind of processing can you do?

We do machining processing like cutting, milling, grinding, turning, peeling, drilling, CNC machining. Meanwhile, we do vacuum heat treatment for die and mold.

Q:What are the delivery conditions for P20+Ni steel?

Delivery condition includes EAF+LF+VD, Hot rolled, Black surface or Machined, Quenching + Tempering, with hardness 28-34HRC or 30-36HRC or as customized.