20CrNi2Mo/1.5919 / 18CrNi6/15CrNi6/14CrNi6/AISI 4320/16 NC 6 /16NC4
1.Dia 10mm-1200mm
2.Black, Peeled, Cold Drawn, Turned ~~~

20CrNi2Mo/1.5919 / 18CrNi6/15CrNi6/14CrNi6/AISI 4320/16 NC 6 /16NC4

APPLICATIONS:

Cutting tools, stamping, woodworking, drawing, deep drawing and pressing tools, cold working rolls, measuring tools, shafts, axles, spindles, levers, vehicle axle shafts.

RELATED SPECIFICATIONS:       

Germany       W.Nr. 1.5919 / 18CrNi6

                        DIN 15CrNi6

Great Britain    EN 14CrNi6

                          B.S. 637M17         

USA                 ASTM / AISI 4320

                        SAE4320H

Russia         GOST 12ChN2            

France        AFNOR 16 NC 6 /16NC4       

Italy             UNI 16CrNi4 / 16NiCr4Pb

Japan         SNCM420            

Chemical Composition (%): 

Carbon       0.17-0.23 

Silicon        0.20-0.35 

Manganese    0.40-0.70

Phosphorus    0.030max 

Sulphur       0.030 max 

Nickel       1.60-2.00

Chromium    0.35-0.65  

Molybdenum  0.20-0.30

Process:  EAF+LF+VOD+Forged or Rolled+Heat Treatment(optional)

SIZE RANGE: 

Round: 

Hot Rolled:  10mm-500mm 

Hot Forged:  80mm-1500mm 

Flat:

Hot rolled: Thickness: 20-130mm  Width: less than 610mm 

Hot forged: Thickness:150-600mm Width: up to 1600mm 

SURFACE FINISHES: 

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

Test: Ultrasonic test according to SEP 1921-84 C/c

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