
X46Cr13/4Cr13/40Cr13/X40Cr13/1.2083/420 stainless steel round bar,
stainless steel bar
Applications
Moulds for corrosive plastic materials such as PVC, recycled
polymers etc., moulds for chemically aggressive plastics and
plastics containing abrasive fillers, mould inserts, dies and
gauges for PVC extrusions, screws and barrels for extruders, moulds
for automotive, food, medical and optical industry such as
spectacles, compact discs, lenses.
RELATED SPECIFICATIONS:
Germany DIN X40Cr13
Wr.N 1.2083
USA ASTM 420
France AFNOR Z40C14
Russia GOST 40Ch13
Japan JIS SUS420/420J2
Chemical Composition (%):
Carbon 0.36-0.45
Silicon 0.60 max
Manganese 0.80 max
Phosphorus 0.035 max
Sulphur 0.030 max
Chromium 12.50-14.50
Nickel 0.60 max
Process: EAF+LF+VOD+Forged Treatment(optional)
SIZE RANGE:
Round:
Hot Rolled: 10-80mm, Hot Forged: 50mm-1500mm
Flat:
Hot forged: Thickness:50-600mm Width: up to 1600mm
SURFACE FINISHES:
Black, Turned & Grinded
Test: Ultrasonic test according to SEP 1921-84 C/c
Heat Treatment
ANNEALING: heat to750-800°C, with hold at minimum rate for 3 hours;
Furnace cooling.
Stress relieving:
To be carried out after machining and before the final heat
treatment,
-Heating to600-650°C , for 2 hours ;
Hardening ;
-preheating to 600-700°C;
-Austenitizing at 990-1040°C;
-Cooling in fluid oil, thermal bath at 500-550°C and finally in
oil,considering the steel shape and size.
Quenched hardness52-56HRC
Tempering:
To be carried out after the hardening according to the required
hardness; at 170-270°C in order to match hardness and resistance to
corrosion; permanence for at least 2 hours;
Tempering must be repeatedat least twice at a temperature 30°C
lower than the previous. Cooling in air.
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.
SHANGHAI UNITE STEEL
We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.
In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest steelmaking history; BAO Steel, and Dongbei Special Steel Group-the biggest special steel manufacturer; TPCO, VALIN-largest seamless steel tube production enterprise; What's more, we have built long, deep and close business relationship with dozens of steel companies, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!