H21/1.2581/ SKD5 /3Cr2W8V Tool Steel Alloy Steel Mould Steel Die Steel

• Standard: DIN, JIS, AISI, GB
• Technics: Hot Rolled
• Application: Structural Steel Bar
• Surface: Black
• Alloy: Alloy
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Free Cutting Steel, Mold Steel
• Model NO.: H21/1.2581/SKD5/3Cr2W8V
• Deliver Time: 7days
• Delivery condition: annealed
• Condition: stock
• Quality Assurance: 100% UT passed
• Payment terms: TT/LC
• Transport Package: Standard/Customized
• Specification: standard/customized
• Trademark: customized
• Origin: China
• HS Code: 7225401000
• Production Capacity: 1000t/Mouth

Product Description

H21/1.2581/ SKD5 /3Cr2W8V Tool Steel Alloy Steel Mould Steel Die Steel

Product Introduction
Sae AISI H21 tool Steel is a high quality Hot work tool steel, It belong to the high quality high carbon alloy tool steel.
Oil Quenched & Tempered Hardenss is 40-55 HRc. AISI H21 steel Annealing delivery hardenss less than 250HB.

Features
•   Resistance for changing of temperature during usage
•   maintain its strength among differ temperature.
•   Resistance to fatigue due to high temperature
•   High strength
•   Resistance to wear and tear
•   Easy to hardening , less in changing of its size/ dimension
•   High properties of heat transferring
•   Resistance on sharp turning of temperature.
•   Can do direct cooling by water
•   Can do nitriding to enhance surface hardness
Similar Standards

Chinese	American	German	Swedish	Japanese
GB	AISI	DIN	ASSAB	JIS
3Cr2W8V	H21	1.2581	/	SKD5

Chemical Composition

Grades	C	Si	Mn	P	S	Cu	V	Cr
H21	0.26-.36	0.15-0.5	0.15-0.4	≤0.03	≤0.03	0.25	0.3-0.6	3.0-3.75

Mechanical Properties

Properties	Metric	Imeprial
Hardness, HRC	40.0-55.0	40.0-55.0
Bulk Modulus	140GPa	20300ksi
Shear modulus	80.0GPa	11600ksi
Poisson's ratio(2.5°C)	0.27-0.3	0.27-0.3
Elastic modulus	190-210GPa	27557-30458ksi

Applications
H21 Hot work steels are Suitable for the manufacture of complex shapes, impact load, the working temperature is not too high, mold sheet product is suitable for forging press mold, concave and convex die, die casting, hot metal cutting knife, etc. the mass production with aluminum alloy die-casting mould.
Stock Size

Shape		Diameter	Thickness	Width
Flat Bar		/	16-260mm	205-610mm
Round Bar		16-200mm	/	/
Die Block	Die Block	/	100-500mm	600-1000mm
	Round Bar	150-450	/	/

Why choose us?

Quality Assurance from government owned steel mills
At Changfeng , we meticulously source materials only from steel manufacturers to ensure consistency in providing the finest quality steel products for our customers.
Being in the competitive market today, we clearly understand that customers are looking for products that are not only best in class but also affordably priced. We are confident that we are able to ful fil these two equally vital aspects -our customers' continuous support over the past two decades is the most heartfelt recognition to us.
Speedy and Timely Delivery
Knowing that delivering goods to customers' hands on time is as important as providing quality goods, we treat every business transaction as a priority. Be it a raw material or a finished material with machining or heat treatment, every effort will be made to get your purchase order to you in the shortest lead time.
Quality Commitment
In order to realise competitive products to fulfil our customers' demands and quality considerations, our integrated quality and work management system is continuously being improved and developed further. We document this for our customers by having our quality management system certified in accordance with ISO 9001. This measure is accompanied by audits and  recertification's on a regularly prescribed basis.
Our service
We provide quality special steel for all industries.
Orders of any size, any length, ship fast
We carry a unique inventory of specialty special steel
Provide related value-adding services :
metal cutting, sizing, machining (blanking, milling, grinding), and heat treatment.
Sawing for small or large quantities, sawing-to-size.
Excellent customer service

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