high quality angle steel 20-250mm ASTM A36

high quality angle steel 20-250mm ASTM A36 System 1

high quality angle steel 20-250mm ASTM A36

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 20000 m.t./month

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Angle steel Details:

Minimum Order Quantity:		Unit:	m.t	Loading Port:
Supply Ability:		Payment Terms:		Package:	bundle

Product Description:

Specifications of Angle Steel

1. Invoicing on theoretical weight or actual weight as customer request

2. Length: 6m, 9m, 12m as following table

3. Sizes

Angle Steel

Sizes: 25mm-250mm
a*t
25*2.5-4.0	70*6.0-9.0	130*9.0-15
30*2.5-6.6	75*6.0-9.0	140*10-14
36*3.0-5.0	80*5.0-10	150*10-20
38*2.3-6.0	90*7.0-10	160*10-16
40*3.0-5.0	100*6.0-12	175*12-15
45*4.0-6.0	110*8.0-10	180*12-18
50*4.0-6.0	120*6.0-15	200*14-25
60*4.0-8.0	125*8.0-14	250*25

5. Payment terms:

1).100% irrevocable L/C at sight.

2).30% T/T prepaid and the balance against the copy of B/L.

3).30% T/T prepaid and the balance against L/C

6.Material details:

Alloy No	Grade	Element (%)
		C	Mn	S	P	Si
		C	Mn	S	P	Si

Q235	B	0.12—0.20	0.3—0.7	≤0.045	≤0.045	≤0.3

Alloy No	Grade	Yielding strength point( Mpa)
		Thickness (mm)
		≤16	＞16--40		＞40--60	＞60--100
		≥

Q235	B	235		225	215	205
Alloy No	Grade	Tensile strength (Mpa)	Elongation after fracture (%)
		Tensile strength (Mpa)	Thickness (mm)
			≤16	＞16--40	＞40--60	＞60--100
			≥

Q235	B	375--500	26	25	24	23

Usage & Applications of Angle Steel

According to the needs of different structures, Angle can compose to different force support component, and also can be the connections between components. It is widely used in various building structures and engineering structures such as roof beams, bridges, transmission towers, hoisting machinery and transport machinery, ships, industrial furnaces, reaction tower, container frame and warehouse etc.

Packaging & Delivery of Angle Steel

1. Packing: it is nude packed in bundles by steel wire rod

2. Bundle weight: not more than 3.5MT for bulk vessel; less than 3 MT for container load

3. Marks:

Color marking: There will be color marking on both end of the bundle for the cargo delivered by bulk vessel. That makes it easily to distinguish at the destination port.

Tag mark: there will be tag mark tied up on the bundles. The information usually including supplier logo and name, product name, made in China, shipping marks and other information request by the customer.

If loading by container the marking is not needed, but we will prepare it as customer request.

Production flow of Angle Steel

Material prepare (billet) —heat up—rough rolling—precision rolling—cooling—packing—storage and transportation

Q: What are the common welding techniques for steel angles?: There are several common welding techniques that can be used for steel angles: 1. Stick welding, also known as Shielded Metal Arc Welding (SMAW), is a popular choice. It involves using a consumable electrode coated in flux, which creates a protective shield around the weld pool. SMAW is versatile and can be used for steel angles of various thicknesses. 2. Gas Metal Arc Welding (GMAW), also known as MIG welding, is another technique that uses a continuous wire electrode and a shielding gas, typically a mixture of argon and carbon dioxide. GMAW allows for high welding speeds and provides good control over the weld pool, making it suitable for steel angles. 3. Flux-Cored Arc Welding (FCAW) is similar to GMAW, but instead of a shielding gas, it utilizes a flux-filled wire. When heated, the flux creates a protective gas shield that prevents contamination of the weld. FCAW is especially useful for outdoor welding or in windy conditions. 4. Gas Tungsten Arc Welding (GTAW), also known as TIG welding, is a precise and clean welding process. It uses a non-consumable tungsten electrode and a shielding gas, usually argon. GTAW produces high-quality welds on steel angles, making it a preferred choice for thin angles or when aesthetics and control are important. 5. Submerged Arc Welding (SAW) is a semi-automatic or automatic welding process that involves feeding a continuous wire electrode and a granular flux into the weld zone. The flux covers the weld, preventing atmospheric contamination. SAW is commonly used for thicker steel angles and provides high deposition rates. It is crucial to select the appropriate welding technique based on the specific requirements of the steel angle joint, such as thickness, joint design, and desired weld quality. Additionally, proper preparation, including cleaning and preheating if necessary, is essential to ensure successful welds on steel angles.

Q: Can steel angles be used for handrails?: Yes, steel angles can be used for handrails. Steel angles are often used as a structural component for handrails due to their strength and durability. They can provide a sturdy and stable support for handrails in various applications.

Q: Can steel angles be used in seismic or high-wind areas?: Yes, steel angles can be used in seismic or high-wind areas. Steel angles are commonly used in construction for their strength and durability. They are able to withstand the forces exerted during seismic events or strong winds, making them a suitable choice for such areas. Additionally, steel angles can be designed and reinforced to meet specific requirements for these challenging conditions.

Q: Can steel angles be used for framing or supporting exterior façade elements?: Steel angles have the capability to be utilized in framing or supporting exterior façade elements. In the construction industry, steel angles are frequently employed due to their robustness and endurance. They offer a steadfast and dependable support system for various architectural elements, particularly exterior façade elements. Steel angles can be employed to construct windows, doors, and other openings in the exterior walls. Furthermore, they can be utilized to enhance and sustain the weight of exterior cladding materials such as stone, glass, or metal panels. Steel angles exhibit versatility and can be effortlessly customized to suit the specific requirements of the project. They are often preferred in commercial and industrial buildings where structural stability is of utmost importance.

Q: What are the different types of steel angles used in scaffolding?: There are mainly two types of steel angles used in scaffolding: equal angle and unequal angle. Equal angle steel is used for horizontal scaffolding members, providing stability and support. Unequal angle steel, on the other hand, is used for diagonal bracing and provides additional strength and rigidity to the scaffolding structure.

Q: Are steel angles heat-treated?: Yes, steel angles can be heat-treated. Heat treatment is a process in which the steel is subjected to controlled heating and cooling to alter its physical and mechanical properties. This can be done to achieve desired characteristics such as increased strength, hardness, toughness, or improved machinability. Heat treatment of steel angles is commonly carried out using methods such as annealing, quenching, tempering, or normalizing. The specific heat treatment process employed depends on the desired final properties and the intended application of the steel angles.

Q: What are the different grades of steel angles?: The different grades of steel angles include A36, A572-50, and A588.

Q: What is the cost of steel angles compared to other structural materials?: Various factors, such as market conditions, availability, and specific requirements, can cause the cost of steel angles to vary in comparison to other structural materials. However, as a rule, steel angles are often seen as a cost-effective choice for structural applications. When compared to materials like concrete or timber, steel angles are generally considered more affordable due to their relatively low production costs. Steel is readily available, and advancements in production techniques have resulted in competitive pricing. Furthermore, steel angles offer an exceptional strength-to-weight ratio, enabling lighter and more cost-efficient structural designs. Compared to other metals like aluminum or stainless steel, steel angles are typically more cost-effective. While aluminum and stainless steel may have certain advantages in terms of corrosion resistance or aesthetic appeal, their production processes and material properties tend to make them more expensive. It is worth noting that the exact cost of steel angles can vary depending on specific dimensions, quality, and quantity requirements. Prices may also fluctuate due to market conditions, such as changes in raw material costs or global supply and demand dynamics. Therefore, it is advisable to consult suppliers or industry professionals for accurate and up-to-date pricing information for steel angles.

Q: Can steel angles be used for fencing or security applications?: Yes, steel angles can be used for fencing or security applications. Steel angles provide strong structural support and can be welded or bolted together to create a secure and durable fence or security barrier. The angular shape of steel angles also adds an additional layer of strength and stability, making them suitable for such applications.

Q: How do steel angles perform under high temperatures?: Steel angles perform well under high temperatures as they have a high melting point and exhibit good thermal conductivity. They retain their strength and structural integrity, making them suitable for use in various applications such as construction, manufacturing, and industrial processes that involve elevated temperatures.

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