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Strip Steel

Strip steel, also known as steel strip, refers to a strip of steel with a certain width and extremely long length, mostly rolled into a roll.

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Product Description

Hot rolled H-beam is a structural material widely used in construction, bridges, ships, vehicle manufacturing and other fields. Its name comes from its unique H-shaped cross-section, a design that gives H-beam a significant advantage in terms of load-bearing capacity, stability and economy.

Classification

Hot rolled H-beam specifications are divided into wide flange hot rolled H-beam specifications (HW), narrow flange hot rolled H-beam specifications (HN).

Expression

Hot rolled H-beam specifications are expressed as: height (H) width (B) web thickness (t1) wing thickness (t2), such as H-beam Q235, SS400, 200 *200 *8 * 12 expressed as 200mm high, 200mm wide, web thickness of 8mm, the wing thickness of 12mm wide flange H-beam size specifications, the grade for Q235 or SS400.

Specification

Height: usually between 100mm and 900mm, but can be customized to meet specific needs.
Leg width: usually between 50mm and 300mm.
Waist thickness: ranges from 6mm to 30mm, depending on the size and use of the H-beam.
Leg thickness: usually the same as the waist thickness or slightly thinner.
Section area: depending on the height and waist thickness, the section area can vary from tens of square centimeters to hundreds of square centimeters.

H—height；B—width；t₁—Web thickness；t₂—Flange thickness；r—Process rounded corners

Type	Model (height*width)	Cross-section size/mm				Cross-sectional area/cm²
		H×B	t₁	t₂	r
		H×B	t₁	t₂	r
HW Wide flange	100×100	100×100	6	8	10	21.90
	125×125	125×125	6.5	9	10	30.31
	150×150	150×150	7	10	13	40.55
	175×175	175×175	7.5	11	13	51.43
	200×200	200×200	8	12	16	64.28
	200×200	200×204	12	12	16	72.28
	250×250	250×250	9	14	16	92.18
	250×250	250×255	14	14	16	104.7
	300×300	294×302	12	12	20	108.3
		300×300	10	15	20	120.4
		300×305	15	15	20	135.4
	350×350	344×348	10	16	20	146.0
	350×350	350×350	12	19	20	173.9
	400×400	388×402	15	15	24	179.2
		394×398	11	18	24	187.6
		400×400	13	21	24	219.5
		400×408	21	21	24	251.5
		414×405	18	28	24	296.2
		428×407	20	35	24	361.4
		458×417	30	50	24	529.3
		498×432	45	70	24	770.8

Type	Model (height*width)	Cross-section size/mm				Cross-sectional area/cm²
		H×B	t₁	t₂	r
		H×B	t₁	t₂	r
HM Middle flange	150×100	148×100	6	9	13	27.25
	200×150	194×150	6	9	16	39.76
	250×175	244×175	7	11	16	56.24
	300×200	294×200	8	12	20	73.03
	350×250	340×250	9	14	20	101.5
	400×300	390×300	10	16	24	136.7
	450×300	440×300	11	18	24	157.4
	500×300	482×300	11	15	28	146.4
	500×300	488×300	11	18	28	164.4
	600×300	582×300	12	17	28	174.5
		588×300	12	20	28	192.5
		594×302	14	23	28	222.4

Type	Model (height*width)	Cross-section size/mm				Cross-sectional area/cm²
		H×B	t₁	t₂	r
		H×B	t₁	t₂	r
HN Narrow flange	100×50	100×50	5	7	10	12.16
	125×60	125×60	6	8	10	17.01
	150×75	150×75	5	7	10	18.16
	175×90	175×90	5	8	10	23.21
	200×100	198×99	4.5	7	13	23.59
	200×100	200×100	5.5	8	13	27.57
	250×125	248×124	5	8	13	32.89
	250×125	250×125	6	9	13	37.87
	300×150	298×149	5.5	8	16	41.55
	300×150	300×150	6.5	9	16	47.53
	350×175	346×174	6	9	16	53.19
	350×175	350×175	7	11	16	63.66
	400×150	400×150	8	13	16	71.12
	400×200	396×199	7	11	16	72.16
	400×200	400×200	8	13	16	84.12
	450×150	450×150	9	14	20	83.41
	450×200	446×199	8	12	20	84.95
	450×200	150×200	9	14	20	97.41
	500×150	500×200	10	16	20	98.23
	500×200	496×199	9	14	20	101.3
		500×200	10	16	20	114.2
		506×201	11	19	20	131.3
	600×200	596×199	10	15	24	121.2
		600×200	11	17	24	135.2
		606×201	12	20	24	153.3
	700×300	692×300	13	20	28	211.5
	700×300	700×300	13	24	28	235.5
	800×300	792×300	14	22	28	243.4
	800×300	800×300	14	26	28	267.4
	900×300	890×299	15	23	28	270.9
		900×300	16	28	28	309.8
		912×302	18	34	28	364.0

Material

Q235: an ordinary carbon structural steel with good comprehensive mechanical properties and welding performance.
Q345: a kind of low alloy high-strength structural steel with higher strength, which is suitable for structures with larger loads.
Q420: a high-strength structural steel with higher strength and better corrosion resistance.
Other special materials: other special materials of steel can be used according to specific engineering requirements.

Process

Opening, roughing, finishing, cooling, straightening, sawing and inspection.

Applications

Building structures: such as high-rise buildings, industrial plants, warehouses, gymnasiums and so on.
Bridge engineering: used for main girders and piers of bridges, etc.
Shipbuilding: as the skeleton material of ships.
Machinery Manufacturing: Used in the manufacture of various mechanical equipment support structure.
Transportation facilities: such as guardrail supports for highways, railroad bridges, etc.

Advantage

High strength and light weight: the cross-section design of H-beam makes it light weight while maintaining high strength, which is conducive to reducing transportation and installation costs.
Good stability: the wide flange design of H-beams provides good bending and torsion resistance, making them suitable for large-span structures.
Material saving: due to its efficient material utilization, H-beam can reduce the use of materials and lower the project cost.
Convenient construction: the standardization and serialization of H-beam makes the construction process more convenient and faster.
Good durability: Hot rolled H steel has good corrosion resistance and is suitable for a wide range of environmental conditions.
Recyclable: steel is a recyclable material, which meets the requirements of sustainable development.