Round corner flat square tube

Flat square tube with rounded corners is a kind of flat square tube, which is widely used in school tools, strollers, outdoor fitness equipment, guardrails and other fields.

Core parameters
Steel tube specification: 10x15-40x80 (mm)
Steel tube wall thickness: 0.3-1.5 (mm)

Product details
[Commonly steel grades]: 10#, 20#, 35#, 45#, 16Mn, 27SiMn3, 27SiMn, Cr5Mo2, Q235, Q345
[Product type]: Annealed black tube, bright tube, galvanized tube
[Supply Type]: Stock available. Can be customized also.

Common sizes:

Tube type	Specification	Wall thickness	Tube type	Specification	Wall thickness
Round corner flat square tube	10x15	0.3-1.5	Round corner flat square tube	10x20	0.3-1.2
Round corner flat square tube	12x18	0.3-1.5	Round corner flat square tube	12.5x22.5	0.3-1.2
Round corner flat square tube	13x25	0.3-1.5	Round corner flat square tube	14x20	0.3-1.2
Round corner flat square tube	14x24	0.3-1.2	Round corner flat square tube	13x38	.3-1.2
Round corner flat square tube	14x42	0.3-1.2	Round corner flat square tube	0.3-1.2	15x25
Round corner flat square tube	15x23	0.3-1.2	Round corner flat square tube	31x56	0.3-1.5
Round corner flat square tube	15x22	0.3-1.2	Round corner flat square tube	16x24	0.3-1.2
Round corner flat square tube	16.5x29	0.3-1.5	Round corner flat square tube	18x28	0.3-1.2
Round corner flat square tube	21x37	0.3-1.4	Round corner flat square tube	15x30	0.3-1.2
Round corner flat square tube	15x35	0.3-1.2	Round corner flat square tube	15x40	0.3-1.2
Round corner flat square tube	20x30	0.3-1.4	Round corner flat square tube	20x40	0.3-1.5
Round corner flat square tube	25x35	0.3-1.2	Round corner flat square tube	16x50	0.3-1.5
Round corner flat square tube	25x50	0.3-1.5	Round corner flat square tube	30x50	0.3-1.5
Round corner flat square tube	40x80	0.3-1.5	Round corner flat square tube	Customized	Customized

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