X10CrMoVNb9-1 1.4903 - NF EN 10253-2-2007

Grade	X10CrMoVNb9-1
	1.4903
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

X10CrMoVNb9-1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	V	Nb	Al
Minimum Value	0.08	0.2	0.3	-	-	8	-	-	0.85	0.03	0.18	0.06	-
Maximum Value	0.12	0.5	0.6	0.02	0.01	9.5	0.4	0.3	1.05	0.07	0.25	0.1	0.04

X10CrMoVNb9-1 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	+NT ①	630~830	≥450	l: ≥ 19; t: ≥ 17	20℃：l: ≥ 40; t: ≥ 27
16＜T ≤ 40	+NT ①	630~830	≥450	l: ≥ 19; t: ≥ 17	20℃：l: ≥ 40; t: ≥ 27
40＜T ≤ 60	+NT ①	630~830	≥450	l: ≥ 19; t: ≥ 17	20℃：l: ≥ 40; t: ≥ 27
60＜T ≤ 100	+NT ①	630~830	≥450	l: ≥ 19; t: ≥ 17	20℃：l: ≥ 40; t: ≥ 27

X10CrMoVNb9-1 Corresponding Standards(Same grade name, different standards)

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