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Guangzhou Changfeng Steel Co., LTD
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1.2738 718H Steel Flat Sheet Prehardened HRC 33-37 Width 155-2200mm

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China Guangzhou Changfeng Steel Co., LTD certification
Gold supplier! Arranged shipment very fast, quality is super good. They are one of our best suppliers, will do more business with them in the future!

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We bought 7 containers from them in 2017, no quality problems. The boss is very nice and professional, good business parner!

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Good job! Shipment was arranged fast, giving lots of good suggestions before place order, saved me time and money.

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1.2738 718H Steel Flat Sheet Prehardened HRC 33-37 Width 155-2200mm

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Large Image :  1.2738 718H Steel Flat Sheet Prehardened HRC 33-37 Width 155-2200mm

Product Details:
Place of Origin: CHINA
Brand Name: CF
Certification: ISO / Mill Certificate/ SGS
Model Number: 1.2738, P20+Ni, 718, 3Cr2NiMnMo
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Export Standard Packing or Customers'Demand
Delivery Time: 7-15 working days
Payment Terms: L/C, T/T
Supply Ability: 1000 tons/month
Detailed Product Description
Heat Treatment: Annealed / Q+T Test: SGS /UT 100% / Element Testing
Shape: Plate / Block Standard: AISI, ASTM, DIN, GB,JIS,BS
Delivery Condition: Forged Or Hot Rolled Service: Sample Free And 24 Hours Online
High Light:

alloy steel flat bar


tool steel flat bar

Alloy Steel 1.2738 718H Steel Sheet and Flat Bar (Prehardened HRC 33-37)


2738 is one improved kind of pre- hardened mirror plastic die steel.With the alloy optimization and structure control key technology,
We can guarantee the steel die block has high hardness uniformity, excellent polishing property and machining property with large cross sections in China.
This steel can replace the imported new large cross sectional prehardened plastic die steel such as 1.2738/718HH/P20 modified, etc.

Plastic molds for injection compressing and injection molding
TV cabinets, drum mold of washing machine, etc.

1. Good welding property of prehardened die blocks
2. Good polishing property(high hardness uniformity, hardness fluctuation ≤2hrc
3. Excellent working
4. Extra large cross sections:700mm*1300mm maximum and weighs 20MT for one piece
5. Application hardness:28-36HRC
6. CCT curve for reference

Chemical compositions

C Si Mn P S Cr Ni Mo
0.30-0.40 0.20-0.50 1.00-1.50 ≤0.010 ≤0.030 1.50-2.00 0.80-1.20 0.25-0.40



Available Size (mm)

Flat Bar Size(mm) Round bar Size(mm)
Thickness Width Length Diameter Length
21-300 155-2200 2000-6000 20-200 2000-6000

Mechanical properties
Corresponding hardness:35-36HRC
Rb :915-1000N/mm
Corresponding hardness:28-30HRC

Similar grade:1.2738/ASSAB718/AFNOR 40CMND8/DIN 40CrMnNiMo7/AISI P20modified

Delivery Quantiity: Include MOQ

Payment terms: 30% deposit, balance by L/C at sight or T/T.

Delivery Day: For abundant stock, 7-15 days.For customized products, 30-50 days.


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1.2738 718H Steel Flat Sheet Prehardened HRC 33-37 Width 155-2200mm 0


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About us:

Guangzhou ChangFeng Steel Co., Ltd. is a professional special steel company, which specialized in exporting mould steel products based in China. With more than 20 years experience in special steel industry, our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.
To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel, Daye Special Steel.
We have thousand tons of stock materials in our own factory and also can provide processing services to customers. We are full of export experience for many years, the product covers America, Germany, France, Italy, Turkey, Singapore, Thailand, Malaysia, Vietnam, Taiwan, and Middle-East.

After years of development, the company has established a complete quality management and export service system. We have a group of experienced and competent elites and is capable of offering the best service to clients.
Our company equips with large-sized Vertical saw machines, Horizontal saw machines, Milling machines, Grinding machines and other advanced equipments to provide customers with cutting and other processing services.
All the products should be inspected the metallographic analysis, hardness, ultrasonic flaw detection and other strict inspection processes, which meet the standards of DIN, AISI, JIS and GB to ensure their function and quality.

Contact Details
Guangzhou Changfeng Steel Co., LTD

Contact Person: Echo

Tel: +8613535323261

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