Polishing en31 material wtih good comprehensive properties

Polishing en31 material wtih good comprehensive properties

1.Specification of en31 material

       Round bar 

Diameter(mm)

20~800

         Plate

Thickness(mm)  

Length (mm)    

Max:800

2000~4000

The specification can be customised!

2.Chemical compositon

No.

 Cr

 C

  Si

Mn

 Mo

 P

 S

  Ni

GCr15

0.95-1.05

0.15-0.35

0.25-0.45

<=0.10

<=0.025

<=0.025

<=0.50

52100

0.93-1.05

0.15-0.35

0.25-0.45

<=0.10

<=0.025

<=0.015

 <=0.55

SUJ2

0.95-1.10

0.15-0.35

<=0.50

<=0.025

<=0.025

1.3505

0.90-1.05

0.15-0.35

0.25-0.45

<=0.030

<=0.025

 <=0.60

3.Heat treatment

Soft annealing: heat to 680-720°C, cool slowly.

Hardness after annealing: Max. 241 HB

Hardening: 820 - 850 °C

Normalizing temperature: 840-880°C

Tempering: 540-680°C

Low Temperature Tempered: Heat to 150-170°C,cool in air

4.Characteristic of en31 material

Good comprehensive properties

Good perfomance in cutting and processing after spheroids annealing

High hardness and homogrnization after quenching and tempering

High abrasive resistance and fatigue resistance

Large amount of metal element

Lowest price

5.Application

(1)Used in making all kinds of bearing ring and rolling elements, like combustion engine, 

machine tool,

(2)bearings for melting machine; also used for making tools and measuring tools. 

(3)sed for making core carburizing parts that need high strength, like gears in gearbox,

gear shaft, cam, worm, claw clutch etc.

(4)Apart from these,frequentely made into ships, vehicle, aircraft, missile,weapons,

railways,bridge,pressure vessel,machine tool,etc.   

6.UT Class of en31 material

According to Standard of SEP 1921/84,100% Volume, Level C/c, D/d or E/e

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.

en31 material  each step is strictly controlled to make sure the products are high quality!

• Dongguan Songshun Mould Steel Co., Ltd. is located in Chang'an Town - the famous town of mold in Pearl River Delta of China. After 10 years' development.
• Now we have the capacity to provide complete services from manufacturing and marketing to distributing.
• Our steel has exported all over the world.
• Our factories for peeling,milling,grinding,cutting and heat treatment etc.
• The export steel will through high quality detection.
• If you cooperate with us ,you will be our returned customer.

Hot work tool steel

DIN

1.2344,1.2343,1.2365,1.2581,1.2367,1.2714 etc.

AISI

H13,H11,H10,H21,L6 etc.

JIS

SKD61,SKD6,SKD5,SKT4 etc.

Cold work too steel

DIN

1.2601,1.2379,1.2080,1.2363,1.2842,1.2419,1.2510,1.2550,1.2767 etc.

AISI

D2,D3,A2,O2,O1 etc.

JIS

SKD1,SKD11,STD12,SKS31,SKS3 etc.

Plastic mould steel

DIN

1.2083,1.2311,1.2312,1.2316,1.2738 etc.

AISI

P20, P20+Ni,P20+S,420 etc.

JIS

NAK80

High speed tool steel

DIN

1.3355,1.3343

AISI

T1,M2

JIS

SKH2,SKH51

Structural alloy steel

DIN

1.7225,1.6511

AISI

4140,4340

JIS

SCM440

We also supply customized special steel, welcome for more information.

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!

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