ASTM A355 Grade B Range 2

Standards

ASTM A355 Grade B

Equivalent standards

UNS Grade K23745 AISI Nitriding Grade B ASTM A355 Grade B

Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Chemical composition

Element	Weight %
Fe	94.9049 — 96.3499
Cr	1.2 — 1.5
Al	0.95 — 1.3
Mn	0.7 — 0.95
C	0.35 — 0.4
Si	0.15 — 0.35
Mo	0.15 — 0.25
Se	0.15 — 0.25
S	0.0 — 0.06
P	0.0 — 0.035

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Properties

Mechanical
Hardness, Brinell [ HB ]	Hardness, Brinell 0—302.00 [-]
Hardness, Rockwell B [ HRB ]	Hardness, Rockwell B 0—107.00 [-]
Hardness, Rockwell C [ HRC ]	Hardness, Rockwell C 0—32.00 [-]

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.

Technological properties

Processing history
Range 2