Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045

Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045 System 1

Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045

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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:

Specifications of High Quality Square Steel Bar Q235, SAE1020:

-Standard: GB,

-Grade: Q195/Q235 or equivalent.

Chemical Composition:

-Chemical Composition. Q195

Standard	Grade	Element (%)
GB	Q195	C	Mn	S	P	Si
GB	Q195	0.06~0.12	0.25~0.50	≤0.050	≤0.045	≤0.30

-Chemical Composition. Q235

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 and Tolerances of Square Steel Bar:

(The section of Square Steel Bar)

-The length of a side and the theoretical weight of Square Steel.

Length of a side(a, mm)	Theoretical weight(kg/m)	Length of a side(a, 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, The numbers with ＊mean that they are not regulars or we don’t offer them.

-The allowed tolerance of Square Steel:

Length of a side(mm)	Allowed Tolerance
Length of a side(mm)	Group1	Group2	Group3
5.5～7	±0.20	±0.30	±0.40
7～20	±0.25	±0.35	±0.40
20～30	±0.30	±0.40	±0.50
30～50	±0.40	±0.50	±0.60
60～80	±0.60	±0.70	±0.80
80～110	±0.90	±1.0	±1.1
110～150	±1.2	±1.3	±1.1
150～190	――	――	±2.0
190～250	――	――	±2.5

Packaging & Delivery of Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045:

-Packing Detail: The products can be packed in bundles by steel wires.

-Marks:

1, Tag marks: the tag marks will be tied up to each bundle of the products. The information is usually including supplier’s logo and name, product name, made in China, products’ specifications, the painted color and other information requested by customers.

2, Color marks: we will paint both ends of the bundles of these products to make sure that they are more evident. It’s will be more convenient for the customers to distinguish them at the destination port.

-Delivery Detail: 30~45 working days after receive buyer’s T.T. or L/C.

Transportation:

-The products can be delivered by bulk vessel or by container. As for container, products with the length of 6m will be loaded in 20’ container, with 9m or 12m, in 40’ container.

-The maximum quantity of loading of container is 25 tons.

-The products usually are transported to the nearest port from the production place.

Payment:

-Invoicing on theoretical weight or actual weight a s customer’s request.

-FOB, CFR or CIF.

Hot Rolled Square Steel Bar Q235, SAE1020, SAE1045

FAQ:

Q1: How soon can we receive the product after purchase?

A1: 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.

Q2: The products are invoicing on theoritical weight or on actual weight?

A2: We can do it in both manners, according to the customers' request.

Q3: How do we guarantee the quality of our products?

A3: 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.

Q: Can a steel square be used for marking out through dovetail joints?: Yes, a steel square can be used for marking out through dovetail joints. The steel square provides straight edges and right angles, which are crucial for accurately marking out the dovetail joints.

Q: How do you use a steel square to measure the width of a door frame?: To use a steel square to measure the width of a door frame, follow these steps: 1. Start by ensuring that the door is closed and in its proper position within the frame. This will ensure accurate measurements. 2. Take a steel square, which is a tool with a long arm and a shorter arm that meet at a right angle. 3. Align the shorter arm of the steel square against the inner edge of the door frame, ensuring that it is perfectly perpendicular to the frame. 4. Slide the longer arm of the steel square along the inner edge of the frame until it reaches the opposite side. 5. Read the measurement on the longer arm where it aligns with the outer edge of the door frame. This measurement represents the width of the door frame. 6. Note down the measurement, either in inches or centimeters, depending on the units you prefer to use. It is essential to be precise when using a steel square to measure the width of a door frame. Make sure the square is aligned correctly and that it remains straight throughout the process. Taking multiple measurements and averaging them can provide more accurate results.

Q: Can a steel square be used for checking the squareness of a router table?: Yes, a steel square can be used for checking the squareness of a router table. A steel square is a precision tool with a right angle that can be used to measure and ensure the perpendicularity of surfaces. By placing the steel square against the edges of the router table and checking for gaps or inconsistencies, one can determine if the table is square. If the steel square sits flush against all edges, it indicates that the table is square. However, it is important to ensure that the steel square itself is accurate and properly calibrated to ensure accurate measurements.

Q: How do you use a steel square to measure the height of a step?: To use a steel square to measure the height of a step, place the square's blade against the vertical face of the step and align the tongue with the horizontal top surface. Then, read the measurement on the blade where it meets the top surface to determine the step's height.

Q: Can a steel square be used for checking the squareness of a shaper fence?: Yes, a steel square can be used for checking the squareness of a shaper fence.

Q: Can a steel square be used for checking the plumbness of a post?: No, a steel square cannot be used for checking the plumbness of a post. A steel square is primarily used for measuring and marking angles in woodworking and carpentry projects. For checking plumbness, a level or a plumb bob would be more suitable tools.

Q: How do you maintain and care for a steel square?: To maintain and care for a steel square, it is important to keep it clean and free from rust. Regularly wipe it down with a dry cloth after use to remove any dirt or debris. To prevent rust, apply a thin layer of oil or rust inhibitor to the square, especially if it will be stored for an extended period. Avoid exposing the square to moisture or harsh environments. Additionally, store it in a dry place and protect it from any physical damage that may affect its accuracy.

Q: Can a steel square be used for measuring angles in welding?: Yes, a steel square can be used for measuring angles in welding. A steel square is typically L-shaped and has a 90-degree angle, making it an appropriate tool to measure and verify right angles in welding. It can be used to ensure accuracy and precision when welding joints and corners.

Q: Can a steel square be used for woodworking projects?: Yes, a steel square can be used for woodworking projects. It is a versatile tool that can be used for measuring and marking right angles, checking the squareness of corners, and guiding the cuts of various woodworking joints. However, some woodworkers prefer using a combination square or a try square, which have wooden or plastic handles that provide a more comfortable grip and reduce the risk of marring the wood.

Q: How do you use a steel square to measure the height of a door?: To use a steel square to measure the height of a door, place the square vertically against the door frame with the long side of the square flush against the floor. Adjust the square until the shorter side is perfectly aligned with the top edge of the door. Then, read the measurement on the long side of the square to determine the height of the door.

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