2Cr13/X20Cr13/1.4021/420/42010/Z20C13/2303/SUS420J1/2H13/20KH13 1.Dia 50-1200mm 2. UT: SEP1921-84 3. stainless steel bar

2Cr13/X20Cr13/1.4021/420/42010/Z20C13/2303/SUS420J1/2H13/20KH13  Description

This alloy is a general purpose heat treatable chromium steel which is a popular cutlery grade. Martensitic stainless steel.Applications

Dental and surgical instruments, cutlery, pump shafts, plastic molds and dies, steel balls, and various hand tools, pump components, shafts, turbine blades, pressing dies for tablets, glass and plastics processing tools.

RELATED SPECIFICATIONS:

     

Germany       DIN X20Cr13/1.4021         

Great Britain    EN X20Cr13

BS 420S29

USA          AISI 420 S42010

France        AFNOR Z20C13

Sweden       SS 2303

Poland       PN 2H13

Russia       GOST 20KH13

Japan        JIS SUS420J1   

Chemical Composition (%): 

Carbon       0.16-0.25 

Silicon        1.00 max 

Manganese    1.00 max

Phosphorus    0.035 max 

Sulphur       0.030 max 

Chromium    12.00-14.00

 Nickel       0.60 max 

Process:  EAF+LF+VOD+Forged Treatment(optional)

SIZE RANGE: 

Round:   

Hot Forged:  50mm-1200mm 

SURFACE FINISHES: 

Black, Peeled(K12), Cold Drawn, Turned & Polished(H10, H11), Precision Ground(H9, H8)

Test: Ultrasonic test according to SEP 1921-84

 

Soft AnnealingHeat to 730-810oC, air cooling. Structure is ferrite with spherical carbides.HardeningHarden from a temperature of 950-1050oC followed by oil, air quenching.TemperingTempering temperature: 650-750oC. Transformation structure with ferrite.

Certificate of Quality: issued in English, in addition the normal terms, production process, the mechanical property yield strength, tensile strength, elongation and hardness, forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality.

Marking: Heat No. will be cold stamped and Steel grade, diameter mm, length mm, and  the manufacturer LOGO and weight kg is painted.

stainless steel bar 2Cr13/X20Cr13/1.4021