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NAK80 / P21 / B40 Plastic Mold Steel Plate Pre - Hardened HRC37-43 ISO SGS

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!

—— Mr. Wan Rusli

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

—— Mrs. Natntia Jitaniyompanich

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NAK80 / P21 / B40 Plastic Mold Steel Plate Pre - Hardened HRC37-43 ISO SGS

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Large Image :  NAK80 / P21 / B40 Plastic Mold Steel Plate Pre - Hardened HRC37-43 ISO SGS

Product Details:
Place of Origin: CHINA
Brand Name: CF Steel
Certification: ISO, SGS
Model Number: NAK80, P21
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Standard export packing
Delivery Time: 10-15 working days
Payment Terms: T/T, L/C
Supply Ability: 1000 tons/month
Detailed Product Description
Production Process: EAD+LF+VD UT: Sep 1921-84 Class C/C D/D E/E
Surface: Black Or Machined Payment: L/C Or T/T
Shape: Plate Or Flat Bar Certification: ISO SGS MTC
High Light:

mould steel material


p20 mold steel

NAK80 / P21 Pre-Hardened with HRC37-43 Plastic Mold Steel Plate


NAK80 is a pre-hardened plastic mold steel.Factory hardness can reach HRC37-43.
Have a good polishing performance and carving, good electrical discharge.Use in the mirror polishing mold, auto parts discharge Processing die.The thickness of not more than 2MM thin sheet, efficient blanking die, punching die and embossing mold, all kinds of scissors, mosaic blade, woodworking blade, thread rolling and wear slider, cold heading die, thermosetting resin Forming mold, deep drawing die, cold extrusion die.

Grade: NAK80, P21

Hardness: 37-43HRC

1. Chemical composition:

Grade C Si Mn P S Ni Mo Cu Al
NAK80 0.06-0.20 ≤0.35 1.40-1.70 ≤0.030 ≤0.030 2.80-3.40 0.20-0.50 0.80-1.20 0.70-1.30
P21 0.10-0.18 ≤0.35 1.70-2.0 ≤0.030 ≤0.030 2.90-3.40 0.20-0.50 0.80-1.20 0.70-1

2. Specification:

SIZE Round bar Diameter(mm) Length(mm)  
Max 600 Max 9000  
Plate Thickness(mm) Width(mm) Length(mm)
Max 800 Max 2200 Max 5800
The above is our regular size, We also can provide customized sizes!


3. Features:
1), prehardened steels,Without any heat treatment(state as delivered,age hardening:HRC37~42ºC
2),The most suitable for mirror polishing machining of hardened steel,Have good electro discharge machining features;
3), Frist-rate after processing the surface,Can replace engraved processing;
4), In the discharge machining (edm)Surface hardness does not increase, can simplify subsequent processing operations;
5), Good weldability, Chip table do not hardening,Can make the subsequent process is simple;
6), Good toughness and excellent mechanical properties, reduce worry rupture, etc;


4. Application:
Commonly used in mirror polishing mold, dust proof, filter plate of the television, cosmetics boxes, precision wrinkles processing mould, office automation equipment, auto parts electro discharge machining mould;
1,) Thin plate thickness is not more than 2 mm, efficient and blanking die, punching die and stamping die;
2), Thread rolling moulding and wear-resisting slider;
3), Deep drawing forming die, cold extrusion dies;


5. Recommend heat treatment:

Quenching Tempering
Heating temperature Cooling Hardness/HRC Heating temperature Cooling Hardness/HRC
840-870 OIL 50-55 200-500 AIR 37-43


6. Technical service:
Surface treatment of die and mould vacuum heat treatment (nitrogen and oxygen, carbon and nitrogen, carburizing, nitriding)


7. Our service for you

Pre-sale service
1) Sample can be offered with sample charge can courier fee by buyer's side;
2) We have full stock, and can deliver within short time. Many styles for your choices;
3) Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you;
4) All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.

After you choose
1) We will count cheapest shipping cost and make invoice to you at once;
2) Check quality again, then send out to you at 1-2working day after your payment;
3) Email you the tracking no, and help to chase the parcels until it arrive you.

After-sale choose
1) We are very glad that customer give us some suggestion for price and products;
2) If any question, please contact with us freely by e-mail or telephone.



NAK80 / P21 / B40 Plastic Mold Steel Plate Pre - Hardened HRC37-43 ISO SGS 0


NAK80 / P21 / B40 Plastic Mold Steel Plate Pre - Hardened HRC37-43 ISO SGS 1

Contact Details
Guangzhou Changfeng Steel Co., LTD

Contact Person: Echo

Tel: +8613535323261

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