• W-Nr 1.2731 round bar
  • W-Nr 1.2731 forging
  • W-Nr 1.2731 sheet
  • W-Nr 1.2731 flat bar
  • W-Nr 1.2731 pipe
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W-Nr 1.2731

We can produce W-Nr 1.2731 stainless steel round rods, W-Nr 1.2731 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control W-Nr 1.2731 chemical composition and W-Nr 1.2731 mechanical properties.From casting, forging, steel to hot and cold rolling process, heat treatment, etc, we have the control of professional engineers. We have advanced precision machining equipment, according to the requirements of users machining. in order to achieve the most satisfied with the user requirements.

Production specification

Round bar steel: 1mm to 3500mm
Square-shape steel: 1mm to 4000mm
Plate steel:0.1mm to 4000mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-1800mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.
We serve you with our honesty, integrity, and professionality.

 

W-Nr 1.2731

LonghaiSteel supply domestic and overseas customers with W-Nr 1.2731 steel plate, W-Nr 1.2731 flat steel,W-Nr 1.2731 steel sheet,W-Nr 1.2731 wire coil,W-Nr 1.2731 square bar,W-Nr 1.2731 round rod, W-Nr 1.2731 steel pipe,W-Nr 1.2731forged valve body,W-Nr 1.2731 forged steel rings,W-Nr 1.2731 forged multidiameter shafts. Through many years' production experiences,we strictly control W-Nr 1.2731 chemical composition and mechanical properties from casting, forging, rolling, heat treatment, etc. We have advanced precision machining equipments with a higher productioncapacity,bringinga best service and affordable prices to customersfrom all over the world.

LonghaiSteel are Manufacturers and Suppliers of W-Nr 1.2731 valve steel with high quality and affordable quotation, If you are keen interested in the valve steel, please feel free to contact with us for more detailed data concerning the valve steel Today! We will serve you with our honesty, integrity, and professionality. And specific features are as follows:

Steel grade & Chemical composition (mass fraction)(%)- Valve Steel
 

W-Nr 1.2731

 
C(%):    0.45~0.55
Si(%):    1.20~1.50
Mn(%):    0.60~0.80
P(%)≤:    0.035
S(%)≤:    0.035
Cr(%):    12.0~14.0
Ni(%):    12.50~13.50
Mo(%):    —
Other(%):    W 1.50~2.80,V 0.30~1.00
 

Mechanical property & thermal treatment - Valve Steel
 
 
Hot forming temperature /℃: 1050~850
Heat treatment temperature and cooling method | annealing:    -     
Heat treatment temperature and cooling method | quenching:  1000~1050 oil/water      
Heat treatment temperature and cooling method | tempering:   700~750          
Room temperature mechanical property |σb/MPa:    780~980
Room temperature mechanical property |σs≥/MPa:    390       
Room temperature mechanical property |δ5≥(%):    25        
Room temperature mechanical property |ψ≥(%):    35      
 
Mechanical property above 400℃ σb/MPa,at following temperature /℃|400:    -
Mechanical property above 400℃ σb/MPa,at following temperature /℃|500:    660
Mechanical property above 400℃ σb/MPa,at following temperature /℃|600:    560
Mechanical property above 400℃ σb/MPa,at following temperature /℃|700:    410
Mechanical property above 400℃ σb/MPa,at following temperature /℃|800:    260
 
 

 Main features and Application field:
 
Valve steel is a subbranch of heat resistant steels, the special material is for processing the vent valve & intake valve of combustion engines. This steel material is always under the high temperature 450 ~ 900℃ and in the operating conditions of 3000~7000kPa explosion pressure. It longly stands up to the gas-fired high temperature corrosion,scouring of gasoline,diesel and also friction from valve seats. Hence, the valve steel material must have enough heat resistance,high temperature resistance corrosivity,inoxidizability,abrasive resistance and impact resistance under the highest working temperature.
 

Advantage:

LonghaiSteel have advanced production equipment and a team of professional design team, strict implementation of ISO9001 quality management system
Specialized in high quality steel and best service
forged/hot rolling/ extrusion of steel

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