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ASTM A194 7 S3


A194 7L
ASTM A194 7 S3
ASTM A194/A194M 7L
ASME SA194/SA194M 7L


Base Element Fe(Iron)

Element Min Max
C (Carbon) 0.37% 0.49%
Mn (Manganese) 0.65% 1.10%
Mo (Molybdenum) 0.15% 0.25%
P (Phosphorus) 0.035%
S (Sulphur) 0.04%
Si (Silicon) 0.15% 0.35%
Mechanical Properties Min Max
Hardness (Brinell) 248 HB 327 HB
Hardness (Rockwell C) 24 HRC 35 HRC
Charpy V-Notch Impact 101°C 27 Joules


Bolting for Valves, Pumps, Flanges, & pipeline products for the petrochemical industry.

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