China 1.2738 P20 Ni 718H Pre-hardened Steel Sheet and Plate of Alloy Steel

Product Description

1.2738 P20+Ni 718H Pre-hardened Steel Sheet anf Plate of Alloy Steel

Pre-hardened large size injection mould, can be pollished normally.Used for making high demand large size plastic mould.

Introduction:
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.

Equivalent grades

GB	DIN	AISI	ASSAB
3Cr2NiMnMo	1.2738	P20+Ni	718

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)

Grade	Size(mm)
1.2738 Plate	Thickness	Width	Length
1.2738 Plate	21-300	2200	5800

Grade	Size(mm)
1.2738 Round Bar	Diameter	Length
	10-350	3000-6000

Recommend heat treatment

Queching					Tempering
Heating temperature/ºC			Cooling way	Hardness (HRC)	Tempering temperature /ºC	Tempering number	Hardness (HRC)
First preheating	Second preheating	Last heating
1180-1200	1130-1150	≥850	Oil Cooling	50-52	200	2	≥48

Mechanical properties
Rb:1095-1115N/mm
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.

Product pictures:

1.2738 P20+Ni 718H Pre-hardened Steel Sheet and Plate of Alloy Steel

Strict Quality Control
1.2738 P20+Ni 718H Pre-hardened Steel Sheet and Plate of Alloy Steel

Loading Photo

About our warehouse:
1.2738 P20+Ni 718H Pre-hardened Steel Sheet and Plate of Alloy Steel

Company Certificate

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.