• ISO X6CrNi25 21/H15 round bar
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  • ISO X6CrNi25 21/H15 sheet
  • ISO X6CrNi25 21/H15 flat bar
  • ISO X6CrNi25 21/H15 pipe
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ISO X6CrNi25 21/H15

We can produce ISO X6CrNi25 21/H15 stainless steel round rods, ISO X6CrNi25 21/H15 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control ISO X6CrNi25 21/H15 chemical composition and ISO X6CrNi25 21/H15 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.


ISO X6CrNi25 21/H15

LonghaiSteel supply domestic and overseas customers with ISO X6CrNi25 21/H15 steel plate, ISO X6CrNi25 21/H15 flat steel,ISO X6CrNi25 21/H15 steel sheet,ISO X6CrNi25 21/H15 wire coil,ISO X6CrNi25 21/H15 square bar,ISO X6CrNi25 21/H15 round rod, ISO X6CrNi25 21/H15 steel pipe,ISO X6CrNi25 21/H15forged valve body,ISO X6CrNi25 21/H15 forged steel rings,ISO X6CrNi25 21/H15 forged multidiameter shafts. Through many years' production experiences,we strictly control ISO X6CrNi25 21/H15 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 Manufacturer and supplier of X6CrNi25 21/H15 austenite heat resistant steel  and heat-resisting alloy with high quality and affordable quotation, If you are keen interested in the heat resistant steel, please feel free to contact with us for more detailed data concerning this type ofSpecial alloy Today! We will serve you with our honesty, integrity, and professionality. And specific features are as follows:

Steel grade & Chemical composition - Heat resistant steel & heat-resisting alloy
Category:  Austenite heat resistant steel
Steel grade:  ISO X6CrNi25 21/H15
C(%):    ≤0.08
Si(%):    ≤1.5
Mn(%):    ≤2.0
P(%)≤:    0.045
S(%)≤:    0.03
Cr(%):    24.0~26.0
Ni(%):    19.0~22.0
Other(%):    —

Endurance strength under high temperature: - Heat resistant steel
Condition of heat treatment: Solution treatment
stay time /h:    1000
σ1.0/MPa, at temperature /℃|500:    --
σ1.0/MPa,at temperature /℃|600:    100
σ1.0/MPa,at temperature /℃|700:    45
σ1.0/MPa,at temperature /℃|800:    18
σ1.0/MPa,at temperature /℃|900:    10
σb/MPa,at temperature /℃|500:    --
σb/MPa,at temperature /℃|600:   170
σb/MPa,at temperature /℃|700:    90
σb/MPa,at temperature /℃|800:    40
σb/MPa,at temperature /℃|900:    20
Maximum service temperature /℃:    1050

Heat resistant steels hold main features, such as oxidative stability, enough high temperature strength, excellent heat resistant quality under hight temperature. Heat resistant steel divides into oxidation resistant  steel (or called non-scaling steel) and refractory steel according to its performance. Heat resistant steel also divides into austenitic heat resistance steel, martensitic heat resistant steel, ferritic heat resistant steel and pearlite heat resistant steel according to normalizing structure.

Application field:

Heat resistant steels are widely used in the field of processing boiler, steam turbine, industrial furnace, and other mechanical parts of aviation, petrochemical engineering operating at high temperature. Those parts must hold the features: high temperature strength,resistance to high temperature oxide etch,enough toughness,excellent machinability, weldability, structure stability based on different usages.

Manufacturing technology - Smelting
Heat resistant steel is generally smelt in electric arc furnace or induction furnace.
For higher quality,it should be smelt via technology of vacuum refining and external refining.
These materials must stand up to high heat, extreme oxidation potential and cycling
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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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