PL 25 - ISO 9329-3-1997

Grade	PL 25
Corresponding Standard	ISO 9329-3-1997 Unalloyed and Alloyed Steels with Specified Low Temperature Properties
Classification	Carbon Steel

PL 25 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Al
Minimum Value	-	-	0.4	-	-	-
Maximum Value	0.17	0.35	1	0.03	0.025	0.015

PL 25 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	Quenching + Tempering	360~490	ReH or Rp0.2 or Rp0.5 ≥255	21	l: ≥60 t: ≥40
25＜T≤40	Quenching + Tempering	360~490	ReH or Rp0.2 or Rp0.5 ≥235	21	l: ≥55 t: ≥35
/					T≤25 l: ≥50 t: ≥35 25＜T≤40 l: ≥45 t: ≥30
/					T≤25 l: ≥45 t: ≥30 25＜T≤40 l: ≥40 t: ≥27
/					T≤25 l: ≥40 t: ≥27

PL25 Corresponding Standards(Same grade name, different standards)

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