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 is the typical bend radius for steel flat bars?: The typical bend radius for steel flat bars can vary depending on the thickness and width of the bar, as well as the specific grade of steel being used. However, as a general guideline, the minimum bend radius for steel flat bars is typically around 3 times the thickness of the bar. For example, if the flat bar is 1/4 inch thick, the minimum bend radius would be approximately 3/4 inch. It is important to note that these are just general guidelines and the specific bend radius should be determined by considering factors such as the desired bend angle, the equipment being used, and any specific requirements or standards that apply to the project.

Q: Can steel flat bars be used for making molds or dies?: Yes, steel flat bars can be used for making molds or dies. Steel is a versatile material known for its strength and durability, making it suitable for various applications in industries such as manufacturing and engineering. When used for making molds or dies, steel flat bars offer the necessary stability and rigidity to withstand the pressures and forces involved in the molding or die-cutting process. Moreover, the flat surface of the bars ensures precise and accurate shaping, allowing for the production of high-quality molds or dies. Steel flat bars can be machined, welded, and heat-treated to achieve the desired specifications and characteristics required for specific molding or die-cutting applications.

Q: How do steel flat bars compare to stainless steel flat bars?: Steel flat bars and stainless steel flat bars differ in their composition and properties. Steel flat bars are typically made from carbon steel, which provides strength and durability but is susceptible to rust and corrosion. On the other hand, stainless steel flat bars are made from an alloy that contains chromium, which offers excellent corrosion resistance. Stainless steel flat bars are also known for their aesthetic appeal and are commonly used in applications where hygiene and appearance are important, such as in the food industry or architectural projects. Overall, stainless steel flat bars are a superior option in terms of corrosion resistance, while steel flat bars are more affordable and suitable for applications where corrosion resistance is not a primary concern.

Q: Earthing flat steel and earthing main line: Grounding flat ground belongs to the material, the grounding line belongs to the grounding line, grounding flat steel used for grounding grid, the grounding line is also one of the flat ground, for connecting the grounding grid, the grounding grid extends to the metal shell of the substation ground of all electrical equipment, and the grounding grid connected together.

Q: What are the different tolerances for steel flat bars?: The tolerances applicable to steel flat bars may differ depending on specific requirements and industry standards. Generally, the most common tolerances for steel flat bars are established by the American Society for Testing and Materials (ASTM) or the International Organization for Standardization (ISO). Steel flat bars typically have tolerances for dimensions such as width, thickness, and length. These dimensions are specified to ensure that the flat bars meet certain quality standards and are suitable for various applications. Regarding width tolerances, the range can vary from a narrow ±0.005 inches (0.13 mm) to a wide ±0.25 inches (6.35 mm). The specific tolerance is determined based on the required precision and application of the steel flat bar. For thickness tolerances, the range can also vary from ±0.005 inches (0.13 mm) to ±0.25 inches (6.35 mm). Once again, the specific tolerance depends on the desired precision and application. Length tolerances for steel flat bars can vary from ±0.125 inches (3.18 mm) to ±1 inch (25.4 mm). This tolerance is crucial to ensure accurate cutting of the flat bars to the desired length and proper fitting in the intended application. It is important to note that these tolerances are general guidelines and may vary based on specific standards set by the manufacturer or customer requirements. Consulting relevant industry standards or specifications is always recommended to determine the specific tolerances for steel flat bars in a particular application.

Q: What is the difference between flat steel and steel sheet material?: Flat, refers to the width 12-300mm, thickness 4-60mm, cross section is rectangular in shape and with a blunt edge of steel. Flat steel can be finished steel, or can be used as the blank of welded pipe and thin slab for laminated sheet rolling. Main application: flat steel is used as a material, used for making iron, tools and machinery parts, and used as frame structures and escalators for buildings.

Q: Can steel flat bars be an alternative to wood in construction?: Yes, steel flat bars can be a viable alternative to wood in construction. Steel offers several advantages over wood, such as superior strength, durability, and resistance to fire, insects, and rot. Steel flat bars also provide more stability and can support heavier loads compared to wooden beams. Additionally, steel is a sustainable and recyclable material, making it an environmentally friendly choice for construction projects.

Q: How do you check the straightness of a steel flat bar?: To determine if a steel flat bar is straight, proceed as follows: 1. Visual Examination: Begin by visually inspecting the flat bar for any visible curves or bends. Place it on a level surface and visually identify any deviations from a straight line. Look for warping, twisting, or bowing along its length. 2. Manual Assessment: Run your hand along the bar's length, feeling for irregularities or deviations from a straight line. Pay close attention to uneven areas or noticeable bumps. This step helps detect subtle curves that may not be visible during visual inspection alone. 3. Straight Edge Technique: Position a straight edge, such as a ruler or level, along the length of the steel flat bar. Ensure that the straight edge makes full contact with the bar's surface. Observe if there are any gaps or spaces between the straight edge and the bar. If the straight edge cannot lie flat on the bar without any gaps, it indicates that the bar is not perfectly straight. 4. Measurement Tool: Utilize a precise measuring tool, such as a caliper or feeler gauge, to measure the gap between the straight edge and the steel flat bar at various points along its length. By measuring these gaps, you can determine the extent of any curves or deviations from a straight line. The larger the gap, the more pronounced the bend or curve. 5. Repeat and Average: Repeat the aforementioned steps at multiple locations along the flat bar's length to ensure an accurate assessment. Steel flat bars often have slight variations in straightness, so checking at multiple points provides a more comprehensive evaluation. After measuring at different locations, calculate the average of the results to understand the overall straightness of the flat bar. By following these steps, you can evaluate the straightness of a steel flat bar and determine if it meets your desired criteria.

Q: How do steel flat bars compare to brass flat bars?: Steel flat bars and brass flat bars have different characteristics and properties, which make them suitable for different applications. Steel flat bars are known for their exceptional strength and durability. They are typically made from carbon steel, which gives them high tensile strength and the ability to withstand heavy loads and impacts. Steel flat bars are also resistant to rust and corrosion, making them suitable for outdoor or industrial applications. They are commonly used in construction, manufacturing, and engineering projects that require structural support and reinforcement. On the other hand, brass flat bars offer unique advantages due to their composition. Brass is an alloy of copper and zinc, which gives it a distinctive golden color and a high level of malleability. Brass flat bars are known for their excellent conductivity, making them ideal for electrical and plumbing applications. They are often used in the production of electrical connectors, fittings, and decorative elements. Brass also has antimicrobial properties, making it a popular choice for applications where hygiene is important, such as in hospitals or food processing facilities. In terms of cost, steel flat bars are generally more affordable compared to brass flat bars. Steel is a widely available and less expensive material, whereas brass is considered a specialty metal that requires additional processing and refining. Ultimately, the choice between steel and brass flat bars depends on the specific requirements of the project. If strength, durability, and resistance to rust are crucial, steel flat bars are the preferred choice. On the other hand, if electrical conductivity, malleability, and antimicrobial properties are important, brass flat bars would be a better option.

Q: What is the minimum order quantity for steel flat bars?: The minimum order quantity for steel flat bars may differ depending on the supplier or manufacturer. Various factors, such as production costs, transportation logistics, and customer demand, typically determine the minimum order quantity. However, it is not unusual to encounter minimum order quantities that range from 1 to 10 metric tons. It is recommended to get in touch with the particular supplier or manufacturer to inquire about their minimum order requirements and negotiate accordingly.

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