Hot Rolled Steel Square Bars Q235,A36,S235JR, SS400

Hot Rolled Steel Square Bars Q235,A36,S235JR, SS400 System 1

Hot Rolled Steel Square Bars Q235,A36,S235JR, SS400

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Loading Port:: Shanghai

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 m.t./month

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Product Description:

OKorder is offering Hot Rolled Steel Square Bars Q235,A36,S235JR, SS400 at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

Product Applications:

-The Square Steel is normally used as structure steel.

-Row material for other structure steel like steel angles, channels, I-beams, H-beams, etc…

-Row material for steel pipes.

Product Advantages:

Hot Rolled Steel Square Bars Q235,A36,S235JR, SS400 are durable, strong, and resists corrosion.

Main Product Features:

· Premium quality

· Prompt delivery & seaworthy packing (7-10 days after receiving deposit)

· Corrosion resistance

· Can be recycled and reused

· Mill test certification

· Professional Service

· Competitive pricing

Product Specifications:

-Standard: GB,

-Grade: Q235 or equivalent.

Chemical Composition:

Standard	Grade	Element (%)
GB	Q235B	C	Mn	S	P	Si
GB	Q235B	0.12~0.20	0.30~0.70	≤0.045	≤0.045	≤0.30

Measures of Hot Rolled Square Bar:

(Section of HR Square Bar)

-Length of a side and Theoretical weight of Square Bar.

Length of a side(mm)	Theoretical weight(kg/m)	Length of a side(mm)	Theoretical weight(kg/m)
6	0.283	32	8.04
7	0.385	＊33	8.55
8	0.502	34	9.07
9	0.636	＊35	9.62
10	0.785	36	10.17
11	0.950	38	11.24
12	1.13	40	12.56
13	1.33	42	13.85
14	1.54	45	15.90
15	1.77	48	18.09
16	2.01	50	19.63
17	2.27	53	22.05
18	2.54	＊55	23.6
19	2.82	56	24.61
20	3.14	＊58	26.4
21	3.46	60	28.26
22	3.80	63	31.16
＊23	4.15	＊65	33.17
24	4.52	＊68	36.3
25	4.91	79	38.49
26	5.30	75	44.16
＊27	5.72	80	50.24
28	6.15	85	56.72
＊29	6.60	90	63.59
30	7.06	95	70.85
＊31	7.54	100	78.50

Notes:

1, The theoretical weights in the list, base on the density of 7.85 g/cm3.

2, Formula for theoretical weight of Square bar: a(length of a side) * a * 0.00785

3, The numbers with ＊mean that they are not regular or we don’t offer them.

-Regular length of Square Bar:

Steel	Length of a side (mm)	Length of steel (m)
Normal steel	< 25	4~10
Normal steel	> 25	3~9
Steel of high quality	All measure	2~6
Steel of high quality	Tool steel >75	1~6

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: How soon can we receive the product after purchase?

A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

Q4: What makes stainless steel stainless?

A4: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

Q5: Can stainless steel rust?

A5: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.

Images:

Hot Rolled MS Mild Square Steel Bars for Strcutures

Q: How do you use a steel square for marking tenon and mortise joints?: To use a steel square for marking tenon and mortise joints, you need to follow a few steps. Firstly, ensure you have a steel square with clear and accurate markings on it. Next, take the piece of wood you want to mark, and position it in the desired orientation for your joint. Place one end of the steel square against the edge of the wood, aligning it with the face or end of the wood depending on the type of joint you are making. Once the square is properly positioned, use a pencil or marking knife to trace along the edge of the square onto the wood. This will create a straight and precise line, allowing you to accurately cut or chisel out the mortise or tenon. For marking tenon joints, you will need to flip the wood and repeat the process on the other end. Make sure to align the square with the previously marked line to ensure consistency and accuracy. Additionally, the steel square can also be used to mark the depth of the mortise or tenon. By sliding the square along the length of the wood, you can mark the desired depth on the side of the wood using the square's markings. Overall, using a steel square for marking tenon and mortise joints is a simple yet effective method to ensure precise and clean joints. It helps to maintain the integrity of the joint and ensures a strong and durable connection between the two pieces of wood.

Q: How do you use a steel square to measure and mark 151.875-degree angles?: To use a steel square to measure and mark 151.875-degree angles, you would first align the 90-degree angle of the square with one side of the angle you want to measure. Then, you would pivot the square until the other side aligns with the 30-degree mark on the scale. This would give you a measurement of 120 degrees. Finally, you would add 31.875 degrees to the 120 degrees by using the 1/8-inch mark on the scale, and mark the angle accordingly.

Q: Can a steel square be used for tile backsplash layout?: Yes, a steel square can be used for tile backsplash layout. A steel square, also known as a carpenter's square or a framing square, is a versatile tool that can be used for many different tasks, including tile layout. It is made of steel and has a right angle shape, with one long arm and one shorter arm. When laying tiles for a backsplash, it is important to ensure that they are aligned properly and evenly. A steel square can be used to create straight lines and right angles, which are essential for a clean and professional-looking tile installation. It can be used to measure and mark the layout, ensuring that the tiles are positioned correctly and evenly spaced. To use a steel square for tile backsplash layout, start by determining the desired layout and design. Use the longer arm of the square to create straight vertical lines along the edges of the backsplash area, and the shorter arm to create horizontal lines. These lines will serve as a guide for placing the tiles. Additionally, a steel square can be used to check the accuracy of the corners and angles of the tiles. Simply place the square against the edges of the tiles to ensure that they are perfectly aligned and form a right angle. Overall, a steel square is a useful tool for tile backsplash layout as it helps to create straight lines, right angles, and ensures a precise and professional finish.

Q: What are some common materials used to make steel squares?: Stainless steel, carbon steel, and alloy steel are frequently utilized as common materials in the production of steel squares. Stainless steel is highly favored due to its exceptional durability and resistance to corrosion. On the other hand, carbon steel is widely chosen for its notable strength and cost-effectiveness. Alloy steel, a variation of carbon steel, is fortified with additional elements like chromium, manganese, or vanadium, resulting in enhanced strength and hardness. The selection of these materials is determined by the particular needs of the application and the desired characteristics of the steel square.

Q: How do you use a steel square to lay out a irregular shape with curved sides?: To use a steel square to lay out an irregular shape with curved sides, you would need to approximate the curves by using a series of straight lines. Start by dividing the curved sides into smaller sections and mark points along these sections. Then, use the steel square to draw straight lines connecting these marked points, creating a series of small straight line segments that approximate the curves. By repeating this process along the entire curved sides, you can lay out the irregular shape using the steel square.

Q: How the steel columns and I-beam steel structure connection: The square column is usually connected with a connecting plate, and the upper beam is arranged on the connecting plate and is fixed by an electric welding or a bolt.

Q: Can a steel square be used for marking out through dovetail joints?: Indeed, through dovetail joints can be marked out using a steel square. This flexible and precise instrument serves as a valuable aid in achieving accurate and perpendicular cuts during the creation of dovetail joints. By utilizing the steel square, one can effectively delineate the angles and measurements of the dovetail joint, thereby offering a reliable blueprint for precisely cutting and shaping the wooden material. Nevertheless, it is worth acknowledging that while a steel square is a beneficial asset, acquiring supplementary specialized tools like dovetail saws and chisels is also advantageous for attaining optimal outcomes when crafting dovetail joints.

Q: How do you use a steel square to create half-lap joints?: In order to create half-lap joints using a steel square, several steps must be followed: 1. Begin by marking the joint's location on both pieces of wood. Measure and mark the joint's width on each piece, ensuring proper alignment. 2. Prepare the steel square by placing it on the edge of one piece of wood, aligning the inner edge with the marked joint location. Ensure secure placement of the square. 3. Scribe lines along the inner edge of the steel square using a sharp pencil or knife. This will accurately transfer the measurement onto the wood. 4. Repeat the process on the second piece of wood, making sure the lines align with each other. 5. Carefully remove the material between the scribed lines on each piece of wood using a saw or chisel. Take your time and make precise cuts for a clean and accurate joint. 6. Test the fit by placing the two pieces together. They should fit tightly and securely without any gaps. 7. If the joint is not a perfect fit, make minor adjustments by removing more material or using a file to fine-tune the fit. Continually test and adjust until you achieve a snug and flush joint. Remember, mastering the technique of creating half-lap joints with a steel square requires practice and patience. It may take a few attempts to become proficient, but with time and experience, you will be able to produce strong and precise joints.

Q: How do you use a steel square to determine the angle of a molding cut?: To use a steel square to determine the angle of a molding cut, you would align one edge of the square with the edge of the molding. Then, you can adjust the square until the other edge intersects with the desired angle on the square's scale. This intersection point will provide the angle measurement that can be used as a guide for making the molding cut.

Q: Can a steel square be used for measuring the depth of holes?: Indeed, the depth of holes can be measured with a steel square. By positioning the elongated, straight side of the steel square parallel to the hole's opening, and aligning the perpendicular side with the hole's vertical surface, one can accurately assess the hole's depth. Simply by attentively noting the intersection point between the perpendicular side and the hole's top, the depth can be deduced by examining the markings etched on the steel square.

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