United States · ASTM

A304 5046 H

ASTM A304:2005 — Standard Specification for Steel Bars Subject to End-Quench Hardenability Requirements

Chemical composition

wt% · log scale
0.010.1110C0.43 – 0.5Cr0.13 – 0.43Mn0.65 – 1.1P0.035S0.04Si0.15 – 0.35
  • min – max range
  • typical value

Chemical composition

ElementminmaxSimilarRemarks
C0.430.5
Cr0.130.43
Mn0.651.1
P0.035
S0.04
Si0.150.35

Heat treatment

Type1
Heat-treatment curveHardenability