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Guangzhou Changfeng Steel Co., LTD
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SAE8620 1.6523 Special Tool Steel Round Bar High Fatigue Strength

China Guangzhou Changfeng Steel Co., LTD certification
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!

—— Ms Nguyen Thi Hong

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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SAE8620 1.6523 Special Tool Steel Round Bar High Fatigue Strength

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Large Image :  SAE8620 1.6523 Special Tool Steel Round Bar High Fatigue Strength

Product Details:
Place of Origin: China
Brand Name: Changfeng
Certification: ISO/ Mill Certificate
Model Number: 1.6523/SAE8620/20CrNiMo
Payment & Shipping Terms:
Minimum Order Quantity: 3T
Price: to be negotiated
Packaging Details: bulk packing
Delivery Time: 15-20 days
Payment Terms: T/T, L/C
Supply Ability: 1000t/Mouth
Detailed Product Description
Material: Steel Application: Machinery Parts
Surface Treatment: Black Surface Standard: ASTM,DIN, JIS, GB
Diameter: 22-200mm Length: 3000-6000mm
High Light:

forging tool steel


carbon tool steel

SAE8620/1.6523 special Steel Round Bar to make structure steel 


SAE8620/1.6523 special Steel Round Bar to make structure steel with Length 3-6m


Chemical Composition

C Si Mn Cr Ni Mo S P
0.18-0.23 0.15-0.35 0.70-0.90 0.40-0.60 0.40-0.70 0.15-0.25 ≤0.035 ≤0.035

1) Demand has high yield strength, tensile strength and fatigue strength, there has enough plasticity
and toughness
2) Demanding by refining outside the furnace, vacuum electroslag remelting or processing, or double vacuum smelting, vacuum induction furnace smelting suitable heat treatment
3) Corrosion resistant steel, heat-resistant steel, wear-resistant steel, magnetic steel, and other
special physical and chemical properties of the steel

1) Zinc, aluminum, magnesium and other alloy die-casting molds
2) Heat dies and all kinds of hot forged molds
3) Metal extrusion die holder

3. Ready Stock:
Round bar dia20-100mm black surface and hot rolled deliver condition.

4. Heat Treatment
1) Preheating 2-4 hours in 500-600°C
2) Keeping temperature for 2 hours in 850-880°C
3) Oil cooling to reach 50-100°C
4) After quenching can reach a hardness of 50-52HRC, then tempered at 200°C
then hardness can reach above 48 HRC

5.Melting Process
1) EAF:Electric Furnace+LF+VD (Optional)
2) ESR:Electric Furnace+LF+VD+Eleroslag Remelted (Optional)

6.Packaging Details:
Packed with plastic film, seaworthing packing, others according to customers' requirements

7.Delivery time:
For abundant stock, 15-20 days.

For customized products, 30-50 days.


8. Payment term: T/T or L/C




Q: Are you a manufacturer or merely a trader?
A: We are trading company act as exporting Steel Products with our own factory,
we can manufacture the products as in cutomer's requirement,wholesale and retail all kinds of domestic mould steel,the price we offered is very competitive compared with other agents.


Q: How do you guarantee the quality of your product?
A: Firstly, we can provide the certificates from the third party, such as SGS, CE,ISO if you need. Secondly, we have a complete set of inspection system and every process is checked by QC. Quality is the lifeline of enterprise survival. Third,the products we export are mainly from ShaGang group, WenFeng group, XingCheng group, DongTe group,DaYe and so on, the quality are certained.

All the sizes as require can be customerized as fresh production with MOQ,products of required specifications can be developed/produced per international, chinese or industry standards, or based on agreements with customers.


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.


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1.2738 P20+Ni - 3Cr2NiMnMo 21-1200 1600-2200 4000-10000 - -
1.2379 D2 SKD11 Cr12Mo1V1 6-160 155-810 3000-6000 14-80 3000-6000
1.2080 D3 SKD1 Cr12 12-90 155-610 3000-6000 10-180 3000-6000
1.2083 420 - 4Cr13 12-260 205-2000 1600-6000 12-500 3000-6000
1.2344 H13 SKD61 4Cr5MoSiV1 16-500 205-1000 3000-6000 150-450 3000-6000
1.2510 O1 SKS3 9CrWMn 9-120 155-610 3000-6000 8-80 3000-6000
1.7225 SAE4140 SCM440 42CrMo 20-280 155-2200 2000-6000 16-450 3000-10000





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Contact Details
Guangzhou Changfeng Steel Co., LTD

Contact Person: Echo

Tel: +8613535323261

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