Flat steel jis 420 j2 flat steel Hot sale steel

 Flat steel jis 420 j2 flat steel Hot sale steel

1.Specifications of  jis standard 420 j2 flat steel                                   

2.Chemical compositon(%) of  jis standard 420 j2 flat steel                

3.Delivery condition of  jis standard 420 j2 flat steel                           

4.Heat treatment of  jis standard 420 j2 flat steel            

Annealing:

-Heat to 750~800°C, with hold at minimum rate for 3 hours.

-Furnace cooling.

Stress relieving:

To be carried out after machining and before the final heat treatment.

Heating to 600~650°C for 2 hours.

Hardening:

Preheating to 600~700°C;

- Austenitizing at 990~1040°C

- Oil or thermal bath cooling at 500~550°C, then oil cooling according to the steel shape and size.

Quenched hardness: HRC 52~56

Tempering:

To be carried out after hardening according to the required hardness; at 170-270 °C in order to match hardness and resistance to corrosion; permanence for at least 2 hours;

Tempering must be repeated at least twice at a temperature 30 °C lower than the previous. Cooling in air.

5.Characteristic of  jis standard 420 j2 flat steel               

1 medical carbon high chrome martensite shape stainless steel

2 high purity good performance of high mirror polish,anti-acid, anti-rust after heat treatment

3 good corrosion resistance

4 resistance for erosive attack,good stability

6.Application of  jis standard 420 j2 flat steel                  

Used for plastic moulds, particularly for acid aggressive plastics (e.g. acetate and PVC), or plastics containing abrasive fillers. Suited for the manufacture of glass, such as moulds of optical products.

Cutting service provided

Workshop is equipped with the most advanced CNC grinding machine, CNC milling machine, Vertical and Horizontal band saw cutting machine, Max. 30MT Loading Cranes, ultrasonic Test machines... These equipments are manipulated with professional engineers with many years work experiences.

Main products 

1.Q:Are your a factory or a trading compangy?

   A:We are factory.

2.Q:Where is your factory located?How can I visit there?

   A:Our factory is located in Dongguan city,you can fly to Baoan airport 

and we will arrange people to go there pick you up.

3.Q:How can I get some sample?

   A:We are honored to offer you samples 

4.Q:What are the difference between you and other steel company?

   A:Quality first! The price will be changed according to your order. 

       The rechargeable sample's will return to you after you offer the deposit!

       Our company are full of chinese culture,Won't you want to come here^.^?

       The sales are beautiful and handsome0.0!

Why choose us?

We can provide free samples!

We can produce the steel as your requirest!

We will provide the competitive price!

We can communicate face to face!

We have a wonderful after-sales service!

You will be very happy if you contact us!

Please contact us without hesitation or send the inqury!@.@

More related products (click here to jump)