Flat Bar

Superior Steel Supply inventories, distributes and saw cuts a wide range of carbon flat bars. Carbon flat bars typically range from as small as ¼” x 1” to as large as 1” x 12” and primarily come in 20’ lengths. 9”, 10” and 12” wide flat bars are also commonly referred to Universal Mill Plate or UM Plate. Superior Steel Supply can saw cut your flat bar requirements down to size with our inhouse saw service.
Flat bars produced domestically are primarily done by the use of Electric Arc Furnaces (EAF) that use 95%+ post-consumer recycled scrap.
Flat bars are mild steel and may be produced from the mill that could meet multiple grade specifications simultaneously including ASTM A36, ASTM A529 grade 50, CSA 44W and CSW 44W50.
- ASTM is the American Society for Testing and Materials
- CSW is the Canadian Standards Association
Flat bars are generally used in the wide array of steel applications including manufacturing, construction, infrastructure, architectural, machinery, trailers, storage, fabrication and MRO (maintenance, repair and operational).
Flat bars are a popular selection for use in the above applications as they are commonly saw cut, drilled, laser cut, formed, welded and can be industrially coated.

Description	Stock Length	Wt/Ft
Flat Bar 1/4 x 1/2	20′	0.425
Flat Bar 1/4 x 3/4	20′	0.638
Flat Bar 1/4 x 1	20′	0.850
Flat Bar 1/4 x 1-1/4	20′	1.060
Flat Bar 1/4 x 1-1/2	20′	1.280
Flat Bar 1/4 x 2	20′	1.700
Flat Bar 1/4 x 2-1/2	20′	2.130
Flat Bar 1/4 x 3	20′	2.550
Flat Bar 1/4 x 3-1/2	20′	2.980
Flat Bar 1/4 x 4	20′	3.400
Flat Bar 1/4 x 4-1/2	20′	3.830
Flat Bar 1/4 x 5	20′	4.250
Flat Bar 1/4 x 6	20′	5.100
Flat Bar 1/4 x 7	20′	5.950
Flat Bar 1/4 x 7-1/2	20′	6.381
Flat Bar 1/4 x 8	20′	6.800
Flat Bar 1/4 x 9	20′	7.650
Flat Bar 1/4 x 10	20′	8.500
Flat Bar 1/4 x 11	20′	9.350
Flat Bar 1/4 x 12	20′	10.200
Flat Bat 3/8 x 1	20′	1.280
Flat Bat 3/8 x 1-1/4	20′	1.590
Flat Bat 3/8 x 1-1/2	20′	1.910
Flat Bat 3/8 x 2	20′	2.550
Flat Bat 3/8 x 2-1/4	20′	2.871
Flat Bat 3/8 x 2-1/2	20′	3.190
Flat Bat 3/8 x 3	20′	3.830
Flat Bat 3/8 x 3-1/2	20′	4.460
Flat Bat 3/8 x 4	20′	5.100
Flat Bat 3/8 x 4-1/2	20′	5.740
Flat Bat 3/8 x 5	20′	6.380
Flat Bat 3/8 x 6	20′	7.650
Flat Bat 3/8 x 7	20′	8.930
Flat Bat 3/8 x 8	20′	10.200
Flat Bat 3/8 x 9	20′	11.480
Flat Bat 3/8 x 10	20′	12.750
Flat Bat 3/8 x 11	20′	14.020
Flat Bat 3/8 x 12	20′	15.300
Flat Bar 1/2 x 1	20′	1.700
Flat Bar 1/2 x 1-1/2	20′	2..550
Flat Bar 1/2 x 2	20′	3.400
Flat Bar 1/2 x 2-1/2	20′	4.250
Flat Bar 1/2 x 3	20′	5.100
Flat Bar 1/2 x 3-1/2	20′	5.950
Flat Bar 1/2 x 4	20′	6.800
Flat Bar 1/2 x 4-1/2	20′	7.650
Flat Bar 1/2 x 5	20′	8.500
Flat Bar 1/2 x 6	20′	10.200
Flat Bar 1/2 x 7	20′	11.900
Flat Bar 1/2 x 8	20′	13.600
Flat Bar 1/2 x 9	20′	15.300
Flat Bar 1/2 x 10	20′	17.000
Flat Bar 1/2 x 11	20′	18.700
Flat Bar 1/2 x 12	20′	20.400
Flat Bar 5/8 x 2	20′	4.250
Flat Bar 5/8 x 3	20′	6.380
Flat Bar 5/8 x 4	20′	8.500
Flat Bar 5/8 x 10	20′	21.500
Flat Bar 5/8 x 12	20′	25.500
Flat Bar 3/4 x 1-1/4	20′	3.191
Flat Bar 3/4 x 1-1/2	20′	3.830
Flat Bar 3/4 x 2	20′	5.100
Flat Bar 3/4 x 2-1/2	20′	6.380
Flat Bar 3/4 x 3	20′	7.650
Flat Bar 3/4 x 4	20′	10.200
Flat Bar 3/4 x 5	20′	12.750
Flat Bar 3/4 x 6	20′	15.300
Flat Bar 3/4 x 7	20′	17.850
Flat Bar 3/4 x 8	20′	20.400
Flat Bar 3/4 x 9	20′	22.950
Flat Bar 3/4 x 10	20′	25.500
Flat Bar 3/4 x 12	20′	30.600
Flat Bar 1 x 1-1/2	20′	5.100
Flat Bar 1 x 2	20′	6.800
Flat Bar 1 x 2-1/2	20′	8.500
Flat Bar 1 x 3	20′	10.200
Flat Bar 1 x 4	20′	13.600
Flat Bar 1 x 5	20′	17.000
Flat Bar 1 x 6	20′	20.400
Flat Bar 1 x 8	20′	27.200
Flat Bar 1 x 10	20′	34.000
Flat Bar 1 x 12	20′	40.800

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Flat Bar