Hot Rolled / Hot Forged / Cold Drawn Stainless Steel Bar 2Cr13 / X20Cr13 / 1.4021 Grade

Cold drawn&hot rolled&hot forged stainless steel bar 2Cr13/X20Cr13/1.4021, stainless steel bar

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

Delivery condition: Cold drawn, hot rolled, hot forged

SIZE RANGE:

Round:6-800mm

SURFACE FINISHES:

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

Test: Ultrasonic test according to SEP 1921-84

Soft Annealing
Heat to 730-810oC, air cooling. Structure is ferrite with spherical carbides.

Hardening
Harden from a temperature of 950-1050oC followed by oil, air quenching.

Tempering
Tempering 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.