PL 23 - ISO 9329-3-1997

Grade	PL 23
Corresponding Standard	ISO 9329-3-1997 Unalloyed and Alloyed Steels with Specified Low Temperature Properties
Classification	Carbon Steel

PL 23 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Al
Minimum Value	-	-	0.6	-	-	-
Maximum Value	0.19	0.35	1.2	0.03	0.025	0.015

PL 23 Mechanical Properties

wall thickness T mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
T≤25	Normalizing	410~530	ReH or Rp0.2 or Rp0.5 ≥235	22	l: ≥50 t: ≥35
T≤25					l: ≥45 t: ≥30
T≤25					l: ≥40 t: ≥27
T≤25					l: ≥27

PL23 Corresponding Standards(Same grade name, different standards)

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