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SAE 1045 Square Steel

Hot-rolled square steel refers to steel rolled or processed into a square cross-section. Square steel can be divided into two types: hot-rolled and cold-rolled; the side length of hot-rolled square steel is 5-250mm, and the side length of cold-drawn square steel is 3-100mm. Stainless steel square steel is mainly used for fine decoration, such as doors and windows.

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PRODUCT DESCRIPTION

Commodity	Cold Drawing / Drawn Flat/ Square / Rectangular / Rectangle / Hexagonal / Special Shape Rods Bars
Standard	GB/T 3078-2019, GB/T 905-1994
Grades	Carbon steel	SAE 1018 , A36, SS400, S235JR, Q235, SAE 1020, S20C , 1.0402, 20GB, CK22,SAE 1045 ,S45C, C45, CK45, EN8 ,1.1191
	Alloy steel	SAE 5120 , 20Cr, Scr 420H, 20Cr4, SAE 5140 , 40Cr,SCr440, 520M40,SAE 4130 , 30CrMo, SCM430, SCM420, SAE 4140 , 42CrMo4, EN19, SCM440,708A42, 708M40, SAE 4340, 40CrNiMoA,871M40 , SNCM439
Specification	Round Bar	5mm to 100mm
	Square bar	55mm to 120120mm
	Flat bar	520mm to 20100mm
	hex bar	5mm to 120mm
	hexagonal bar	5mm to 120mm (side to side)
Tolerance	Class H11
Length	4-12m random length or as per request fixed length
Surface	Bright, or dark as per required
Packing	Wrapped by plastic clothes and steel strips
Delivery Condition	BK, BKW, GBK, NBK
ContainerSize	20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High)40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High)
Application	hardware tools, auto parts, standard parts, fasteners common shaft, machinery manufacturing, light industry, hardware, bicycles,cars, motorcycles, textile machinery, transformers and other machinery industry.
Advantages	greater size accuracy, straightness and increased tensile and yield strength as well as improved machinability
MOQ	1 tons

Side length（mm)	Sectional area (cm2)	Theoretical weight (kg/m)	Side length（mm)	Sectional area (cm2)	Theoretical weight (kg/m)
5mm	0.25	0.196	30mm	9.00	7.06
6mm	0.36	0.283	32mm	10.24	8.04
7mm	0.49	0.385	34mm	11.56	9.07
8mm	0.64	0.502	36mm	12.96	10.17
9mm	0.81	0.636	38mm	14.44	11.24
10mm	1.00	0.785	40mm	16.00	12.56
11mm	1.21	0.95	42mm	17.64	13.85
12mm	1.44	1.13	45mm	20.25	15.90
13mm	1.69	1.33	48mm	23.04	18.09
14mm	1.96	1.54	50mm	25.00	19.63
15mm	2.25	1.77	53mm	28.09	22.05
16mm	2.56	2.01	56mm	31.36	24.61
17mm	2.89	2.27	60mm	36.00	28.26
18mm	3.24	2.54	63mm	39.69	31.16
19mm	3.61	2.82	65mm	42.25	33.17
20mm	4.00	3.14	70mm	49.00	38.49
21mm	4.41	3.46	75mm	56.25	44.16
22mm	4.84	3.80	80mm	64.00	50.24
24mm	5.76	4.52	85mm	72.25	56.72
25mm	6.25	4.91	90mm	81.00	63.59
26mm	6.76	5.30	95mm	90.25	70.85
28mm	7.84	6.15	100mm	100.00	78.50

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