L415QB 1.8947 - NF EN 10253-2-2007

Grade	L415QB
	1.8947
Corresponding Standard	NF EN 10253-2-2007 Butt-welding pipe fittings- Part 2: Non alloy and ferritic alloy steels with specific inspection requirements
Classification	Alloy Steel

L415QB Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	Ti	V	Nb	Al	More
Minimum Value	-	-	-	-	-	-	-	-	-	-	-	-	-	0.015	CEV ≤ 0.43 V+Nb+Ti: ≤ 0.15 AI / N: ≤ 2
Maximum Value	0.16	0.45	1.6	0.025	0.02	0.3	0.3	0.25	0.1	0.012	0.04	0.08	0.05	0.06	CEV ≤ 0.43 V+Nb+Ti: ≤ 0.15 AI / N: ≤ 2

L415QB Mechanical Properties

thickness T mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
T ≤ 16	+QT	≥520	415~565	l: ≥ 20; t: ≥ 18	0℃: l: ≥ 60; t: ≥ 40
16＜T ≤ 40	+QT	≥520	415~565	l: ≥ 20; t: ≥ 18	0℃: l: ≥ 60; t: ≥ 40
40＜T ≤ 60	+QT	≥520	-	l: ≥ 20; t: ≥ 18	0℃: l: ≥ 60; t: ≥ 40

L415QB Corresponding Standards(Same grade name, different standards)

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