Current table represents European standard U (UPN, UNP) channels, UPN steel profile (UPN beam), specifications, properties, dimensions. Manufactured according to standards :
DIN 1026-1: 2000, NF A 45-202: 1986 EN 10279: 2000 (Tolerances) EN 10163-3: 2004, class C, subclass 1 (Surface condition) STN 42 5550 CTN 42 5550 TDP: STN 42 0135
Identification	Nominal weight 1m	Nominal dimensions						Cross-section	Dimensions for detailing
UNP		b	h	s	t=R1	R2	e	A	d
	kg/m	mm						cm2	mm
UPN 30	4,27	33	30	5,0	7,0	3,5	-	5,4	-
UPN 40x20	2,86	20	40	5,0	5,5	2,5	-	3,7	-
UPN 40	4,87	35	40	5,0	3,5	7,0	-	6,2	-
UPN 50	5,59	38	50	5,0	7,0	3,5	13,7	7,12	21
UPN 65	7,09	42	65	5,5	7,5	4,0	14,2	9,03	34
UPN 80	8,64	45	80	6,0	8,0	4,0	14,5	11,00	47
UPN 100	10,6	50	100	6,0	8,5	4,5	15,5	13,50	64
UPN 120	13,4	55	120	7,0	9,0	4,5	16	17,00	82
UPN 140	16,0	60	140	7,0	10,0	5,0	17,5	20,40	98
UPN 160	18,8	65	160	7,5	10,5	5,5	18,4	24,00	115
UPN 180	22,0	70	180	8,0	11,0	5,5	19,2	28,00	133
UPN 200	25,3	75	200	8,5	11,5	6,0	20,1	32,20	151
UPN 220	29,4	80	220	9,0	12,5	6,5	21,4	37,40	167
UPN 240	33,2	85	240	9,5	13,0	6,5	22,3	42,30	184
UPN 260	37,9	90	260	10,0	14,0	7,0	23,6	48,30	200
UPN 280	41,8	95	280	10,0	15,0	7,5	25,3	53,30	216
UPN 300	46,2	100	300	10,0	16,0	8,0	27,0	58,80	232
UPN 320	59,5	100	320	14,0	17,5	8,8	-	75,80	246
UPN 350	60,6	100	350	14,0	16,0	8,0	-	77,30	282
UPN 380	63,1	102	380	13,5	16,0	8,0	-	80,40	313
UPN 400	71,8	110	400	14,0	18,0	9,0	-	91,50	324

EN10025 S275 Q235B channel steel is a type of structural steel commonly used in construction as a support for buildings, bridges, and other structures. In this article, we will provide information on the material, specification, chemical composition, mechanical properties, steel grade, and application of EN10025 S275 Q235B channel steel.

Material

EN10025 S275 Q235B channel steel is made from a combination of two different types of steel:

• EN10025 S275: A European standard for hot-rolled structural steel
• Q235B: A Chinese standard for carbon structural steel

Specification

EN10025 S275 Q235B channel steel has the following specifications:

• Dimensions: 50mm-400mm (width) x 100mm-900mm (height) x 6mm-16mm (thickness)
• Length: 6m-12m
• Standard: GB/T 706-2008, JIS G3101, ASTM A36, EN 10025-2

Chemical Composition

The chemical composition of EN10025 S275 Q235B channel steel is as follows:

Mechanical Properties

The mechanical properties of EN10025 S275 Q235B channel steel are as follows:

Steel Grade

EN10025 S275 Q235B channel steel has the following steel grades:

• Q235B (Chinese standard)
• S275 (European standard)

Application

EN10025 S275 Q235B channel steel is commonly used in the following applications:

• Construction of buildings, bridges, and other structures
• Industrial machinery and equipment
• Transportation equipment

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