stainless steel round bar with with Black/Turned/Grinded 3Cr13

3Cr13/1.4028/30Cr13/X30Cr13/420/Z30C13/ Z33C13/2304/3H13/ 3H14/30KH13/420J2 1.Dia 80mm-1500mm 2.stainless steel round bar

3Cr13/1.4028/30Cr13/X30Cr13/420S45/420/Z30C13/ Z33C13/2304/3H13/ 3H14/30KH13/420J2Applications

automotive industry, decorative applications and kitchen utensils, electronic equipment, mechanical engineering pump and valve components cutlery and blades. Cutlery, surgical and dental instruments, springs, molds for plastics, pump shafts, valve parts, hand tools, pipe flanges and fittings.

RELATED SPECIFICATIONS:

     

Germany       W.Nr 1.4028/30Cr13

Great Britain    EN X30Cr13 

         BS 420S45

USA           420

France        AFNOR Z30C13/ Z33C13

Sweden       SS 2304

Poland        PN 3H13/ 3H14

Russia        GOST 30KH13

Japan         SUS420J2   

Chemical Composition (%): 

Carbon       0.26-0.35 

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:  80mm-1500mm 

SURFACE FINISHES: 

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

Test: Ultrasonic test according to SEP 1921-84

Heat TreatmentSub-Critical Annealing:Heat uniformly to 730 °C - 790 °C and hold until temperature is uniform throughout the section.-Soak as required, cool in air.

AnnealingHeat uniformly to 840 °C - 900 °C and hold until temperature is uniform throughout the section.-Soak as required. Cool in furnace.

HardeningHeat to 950 °C - 1020 °C and hold until temperature is uniform throughout the section. Quench in oil or air cool. Temper immediately while still hand touch warm.

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 round bar with with Black/Turned/Grinded 3Cr13