Bulb Flat Steel for Ship and Bridge Building

Bulb Flat Steel for Ship and Bridge Building System 1

Bulb Flat Steel for Ship and Bridge Building

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 20000 m.t./month

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Specifications

Bulb Flat Steel for Ship and Bridge Building
1.certificate: LR DNV RINA GL BV NK KR ABS CCS
2.factory
3.80*5~340*14mm

Bulb Flat Steel for Ship and Bridge Building

Specification: 80x5mm~430x20mm (HP80-HP430)
Grade: A, A32, A36

Bulb Flat steel for shipbuilding

Bulb Flat Steel for Ship and Bridge Building

11:48:45

Model	Dimensional					Section Area	Theoretical Weight	Grade
Model	b	t	h	r1	r	cm2	kg/m	Grade
HP80X5	80	5	19	4	≤1.5	5.41	4.25	A A32 A36
HP80X6	80	6	20	4	≤2	6.21	4.88
HP100X7	100	7	22.5	4.5		8.74	6.86
HP100X8	100	8	23.5	4.5		9.74	7.65
HP120X6	120	6	23	5		9.32	7.32
HP120X7	120	7	24	5		10.52	8.26
HP120X8	120	8	25	5		11.72	9.2
HP140X7	140	7	26	5.5		12.43	9.75
HP140X8	140	8	27	5.5		13.83	10.85
HP140X10	140	10	29	5.5	≤3	16.63	13.05
HP160X7	160	7	29	6	≤2	14.6	11.46
HP160X8	160	8	30	6		16.2	12.27
HP160X9	160	9	31	6		17.8	13.97
HP160X11	160	11	33	6	≤3	21	16.49
HP180X8	180	8	33	7	≤2	18.86	14.8
HP180X9	180	9	34	7	≤2	20.66	16.22
HP180X10	180	10	35	7	≤3	22.46	17.63
HP180X11	180	11	36	7	≤3	24.26	19.04
HP200X9	200	9	37	8	≤2	23.06	18.57
HP200X10	200	10	38	8	≤3	25.66	20.14
HP200X11	200	11	39	8		27.66	21.71
HP200X12	200	12	40	8		29.66	23.28
HP220X10	220	10	41	9		29	22.77
HP220X11	220	11	42	9		31.2	24.5
HP220X12	220	12	43	9		33.4	26.22
HP240X10	240	10	44	10		32.49	25.5
HP240X11	240	11	45	10		34.89	27.39
HP240X12	240	12	46	10		37.29	29.27
HP260X10	260	10	47	11		36.11	28.35
HP260X11	260	11	48	11		38.71	30.39
HP260X12	260	12	49	11		41.31	32.43
HP280X11	280	11	51	12		42.68	33.5
HP280X12	280	12	52	12		45.48	35.7
HP280X13	280	13	53	12		48.28	37.9
HP300X11	300	11	54	13		46.78	36.7
HP300X12	300	12	55	13		49.79	39.09
HP300X13	300	13	56	13		52.79	41.44
HP320X12	320	12	58	14		54.25	42.6
HP320X13	320	13	59	14		57.25	45.09
HP320X14	320	14	60	14		60.85	47.6
HP340X12	340	12	61	15	≤3	58.84	46.2
HP340X13	340	13	62	15	≤3	62.24	48.86
HP340X14	340	14	63	15	≤4	65.54	51.5

Q: What about the installation height of the socket and the height of the ground flat steel?: If the construction unit, design institute and contact Party A drawings or design change

Q: Are steel flat bars suitable for load-bearing structures in bridges?: Steel flat bars are well-suited for load-bearing structures in bridges. Due to their superior strength and durability, they are frequently employed in bridge construction. Their ability to endure heavy loads and offer exceptional structural support is noteworthy. Moreover, steel flat bars can be effortlessly welded or bolted together, facilitating efficient construction and convenient customization to meet precise bridge design needs. Additionally, these bars display resistance to corrosion, a vital attribute for bridge structures exposed to outdoor elements. All in all, steel flat bars are a dependable and economical option for load-bearing structures in bridges.

Q: How do steel flat bars compare to carbon fiber flat bars?: There are distinct differences between steel flat bars and carbon fiber flat bars in terms of their material composition, strength, weight, and applications. Steel flat bars, made from various grades of steel, possess exceptional strength and durability. They exhibit high resistance to bending, breaking, and deformation, making them suitable for heavy-duty purposes like construction, manufacturing, and structural support. Moreover, steel flat bars are easily accessible and cost-effective compared to carbon fiber flat bars. On the contrary, carbon fiber flat bars consist of carbon fibers embedded in a polymer matrix. This combination creates an incredibly lightweight and robust material. Carbon fiber flat bars have a remarkable strength-to-weight ratio, making them perfect for applications where reducing weight is crucial, such as aerospace, automotive, and sports equipment. Furthermore, they display excellent resistance to corrosion and fatigue, ensuring longevity even in harsh environments. While steel flat bars offer superior strength and affordability, carbon fiber flat bars excel in weight reduction and specific applications that require lightweight and high-strength materials. The choice between the two depends on the specific requirements of the project or application.

Q: Can steel flat bars be heat-treated for increased hardness?: Yes, steel flat bars can be heat-treated to increase their hardness. Heat treatment is a process that involves heating the steel to a specific temperature and then cooling it rapidly to transform its microstructure and improve its mechanical properties. The most common heat treatment methods for increasing hardness are quenching and tempering. During quenching, the steel is heated to a high temperature and then rapidly cooled by immersing it in a quenching medium, such as water or oil. This rapid cooling causes the formation of a hard and brittle phase called martensite, which significantly increases the hardness of the steel. After quenching, the steel is often too brittle and prone to cracking, so it undergoes a tempering process. Tempering involves reheating the steel to a lower temperature and then cooling it slowly. This process reduces the brittleness of the steel and improves its toughness and ductility while maintaining a certain level of hardness. The specific heat treatment parameters, including the temperature and duration of heating, cooling rate, and tempering temperature, depend on the composition and desired hardness of the steel. It is important to carefully control these parameters to achieve the desired hardness while avoiding potential issues such as cracking or distortion. In conclusion, steel flat bars can indeed be heat-treated to increase their hardness. This process involves quenching and tempering, which transform the microstructure of the steel and enhance its mechanical properties, making it suitable for various applications that require high hardness and strength.

Q: Can steel flat bars be used for fencing?: Yes, steel flat bars can be used for fencing. They are commonly used as fence posts or horizontal rails in various types of fencing applications. Steel flat bars are durable, strong, and resistant to weathering, making them suitable for creating sturdy and long-lasting fences.

Q: How do steel flat bars contribute to the overall efficiency of industrial structures?: Steel flat bars contribute to the overall efficiency of industrial structures by providing strength, stability, and versatility in construction. These bars are commonly used as structural components, such as beams, columns, and braces, due to their high tensile strength and ability to withstand heavy loads. Their flat shape allows for easy fabrication and welding, making them a cost-effective choice for constructing various industrial structures. Additionally, steel flat bars offer excellent durability, corrosion resistance, and long-term performance, ensuring the longevity and reliability of the overall structure.

Q: Are steel flat bars resistant to impact or vibration?: Known for their high strength and durability, steel flat bars exhibit a remarkable resistance to both impact and vibration. This is attributed to the composition of steel and its structural integrity, allowing it to effectively absorb and distribute energy resulting from impacts or vibrations. Consequently, steel flat bars are highly suitable for a wide range of applications in construction, automotive, and industrial sectors where resistance to impact or vibration is of utmost importance. Moreover, the ability of steel to withstand impacts and vibrations ensures the prolonged lifespan of structures and components, mitigating the potential risks of damage or failure.

Q: What do the numbers in the steel HN346*174*6*9 refer to?: Medium type steel: medium type steel, medium, groove, corner, round, flat steel use, similar to large steel.

Q: What are the standard tolerances for width and thickness in steel flat bars?: The standard tolerances for width and thickness in steel flat bars vary depending on the specific industry and application. However, commonly accepted tolerances for width range from +/- 0.005 to +/- 0.030 inches, while tolerances for thickness typically fall within +/- 0.002 to +/- 0.020 inches. It is important to consult the relevant industry standards or manufacturer specifications for precise tolerances required for a specific steel flat bar.

Q: Galvanized steel flat welding occurs after the material itself crack.: Thermal cracking: most of the material being welded is alloy, and the solidification of the alloy starts from the beginning to the end, which is carried out in a certain range, which is the basic cause of the thermal crack.

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