60S2XA

Alloy Steel

60S2XA

Spring wire steel. (GOST 14959; equiv GB 65Mn / DIN 1.0614 / JIS SUP3). Nominal values—confirm mill certificate.

Chemical Composition (%)

C0.62
SI0.17
MN0.9

Mechanical Properties

Tensile:≥735 MPa;Yield:≥430 MPa

Chinese Standard

GOST 14959 60S2XA

Equivalent Grades

GB 65Mn / DIN 1.0614 / JIS SUP3

Applications

弹簧钢丝钢。,"Bar

Available Forms

Wire"

Uses

High-carbon grade for rails, springs, cutting tools, wear plates and components demanding high hardness and wear resistance after heat treatment. Commonly supplied as bar, plate, sheet, tube and forging.

Heat Treatment

Austenitize at 760–820 °C and quench (oil/water) then temper at 150–400 °C for high hardness; spheroidize anneal (680–720 °C) improves machinability of the as-rolled bar.

Precautions

Preheat and control interpass temperature when welding; post-weld heat treatment or stress relief is recommended to avoid hard-zone cracking. Use low-hydrogen electrodes. Protect from decarburization during heating (controlled atmosphere or protective coating).

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