S275ML - ISO 630-3-2021 - H2ABC

中文版

Grade	S275ML
Corresponding Standard	ISO 630-3-2021 Structural Steels — Part 3: Technical Delivery Conditions for Fine-Grain Structural Steels
Classification	Alloy Steel

S275ML Chemical Element Composition Content (%)

Component	C ^⑤	Si	Mn	P ^①	S ^①②	Cr	Ni	Cu ^④	Mo	N	Ti	V	Nb	Al ^③
Minimum Value	-	-	-	-	-	-	-	-	-	-	-	-	-	0.02
Maximum Value	0.13	0.5	1.5	0.025	0.02	0.3	0.3	0.55	0.1	0.015	0.05	0.08	0.05	-

S275ML Mechanical Properties

thickness t mm	Test Temperature	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t≤16	room temperature	370~530	ReH: ≥275	≥24
16<t≤40		370~530	ReH: ≥265	≥24
40<t≤63		360~520	ReH: ≥255	≥24
63<t≤80		350~510	ReH: ≥245	≥24
80<t≤100		350~510	ReH: ≥245	≥24
100<t≤150		350~510	ReH: ≥240	≥24
specimen	20°C				long. ≥63 tr. ≥40
specimen	0°C				long. ≥55 tr. ≥34
specimen	-10°C				long. ≥51 tr. ≥30
specimen	-20°C				long. ≥47 tr. ≥27
specimen	-30°C				long. ≥40 tr. ≥23
specimen	-40°C				long. ≥31 tr. ≥20
specimen	-50°C				long. ≥27 tr. ≥16

S275ML Corresponding Standards(Same grade name, different standards)

1	EN 10025-4-2004
	S275ML 1.8819
2	EN 10025-4-2019(+A1:2022)
	S275ML 1.8819
3	ISO 630-3-2021
	S275ML

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