Description

Technical Parameters

S355N low alloy steel material

S355N High Strength Steel Plate Products Description

S355N high strength low alloy steel implements European standard EN 10025-3 and belongs to low alloy high strength structural steel. The "S" in S355N low alloy steel stands for structural steel, "355" means the yield strength is not less than 355MPa, and "N" means it is delivered in normalized or normalized rolled state.

‌Characteristics and performance of S355N low alloy structural steel‌
High strength‌: The yield strength and tensile strength are much higher than those of ordinary steel, which can effectively reduce the weight of the structure.
‌Good toughness‌: S355N high strength low alloy hsla steel can still maintain high impact toughness under low temperature conditions.
‌Excellent weldability‌: S355N low alloy steel material can meet various welding requirements. The S355N high strength plate we provide can ensure the strength and toughness of the welded joint.

‌Engineering application fields of S355N low alloy steel plate‌
Bridge construction‌: used for large highway bridges, railway bridges, etc.
‌Shipbuilding‌: used to manufacture structural parts such as hulls and decks of ships.
Petrochemical industry: used to manufacture storage tanks, pipelines and other equipment.

S355N Low Alloy Steel Material Products Details

Mechanical properties of grade S355N low alloy steel plate

	Minimum yield strength Reh MPa								Tensile strength Rm MPa			Minimum elongation - A Lo = 5,65 * √ So (%)
Steel grade	Nominal thickness mm								Nominal thickness mm			Nominal thickness mm
	≤16	>16 ≤40	>40 ≤63	>63 ≤80	>80 ≤100	>100 ≤150	>150 ≤200	>200 ≤250	≤100	>100 ≤200	>200 ≤250	≤16	>16 ≤40	>40 ≤63	>63 ≤80	>80 ≤200	>200 ≤250

S355N	355	345	335	325	315	295	285	275	470-630	450-600	450-600	22	22	22	21	21	21

S355N low alloy structural steel notch impact test

Temperature °C	-10	0	20
Min. absorbed energy J	43	47	55

Chemical composition of grade S355N high strength alloy steel

Steel grade	C max. %	Si max. %	Mn %	P max. %	S max. %	N max. %	Al total %	Cu max. %	Cr max. %	Ni max. %	Mo max. %	Nb max. %	V max. %	Ti max. %	CEV max. %
Thickness (mm)
5 - 80															5 - 63	63 - 80
S355N	0,20	0,50	0,90 - 1,65	0,030	0,025	0,015	0,020	0,55	0,30	0,50	0,10	0,050	0,12	0,05	0,43	0,45

S355N Alloy Steel Plate Grade Equivalent Table

Germany DIN, WNr DIN 17102:1983	France AFNOR NFA 36 201:1992	England BS BS 4360:1990	China GB	Sweden SS	Russia GOST	Italy UNI
StE355	E355R	50DD	Q345D	2134-01	15GF	FeE355KGN

S355N High Tensile Steel Plate Products Image

hsla structural steel

S355N HSLA Structural Steel Product Transportation

high strength low alloy steel

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