Square tube size(mm)			Rectangular tube size(mm)		Rectangular tube size(mm)
16x16x0.4~1.5	200x200x6.0~12.0	10x20x0.6~1.5	80x100x2.0~8.0	600x200x10~28.0
18x18x0.4~1.5	220x220x6.0~140	14x21x0.6~1.5	120x60x2.5~10.0	600x400x10~28.0
20x20x0.4~1.5	250x250x6.0~14.0	15x30x1.5~1.5	120x80x2.5~10.0	600x500x10~28.0
25x25x0.6~2.0	280x280x6.0~14.0	15x38x0.6~1.5	150x100x2.5~12.0	800x400x10~28.0
30x30x0.6~4.0	300x300x8.0~14.0	20x30x0.6~2.0	180x150x2.5~12.0	800x600x10~28.0
34x34x1.0~2.0	320x320x8.0~14.0	20x40x0.8~2.0	200x100x4~12.0	800x700x10~28.0
35x35x1.0~4.0	350x350x8.0~14.0	20x50x1.0~2.0	250x150x6~12.0	1000x400x10~28.0
38x38x1.0~4.0	380x380x8.0~14.0	22x35x09~2.0	250x150x6~12.0	1000x500x10~28.0
40x40x1.0~4.5	400x400x8.0~14.0	25x40x0.9~3.75	250x100x6~12.0	1000x600x10~28.0
44x44x1.0~4.5	420x420x10.0~14.0	25x65x1.0~2.0	250x200x6~12.0	1000x800x10~28
45x45x1.0~5.0	450x450x10.0~14.0	30x40x1.0~3.75	300x150x6~12.0
50x50x1.0~5.0	480x480x10.0~14.0	30x45x1.0~3.75	300x200x6~12.0
60x60x1.5~5.0	500x500x10.0~14.0	30x50x1.0~4.0	300x250x6~12.0
70x70x2.0~6.0	550x550x10.0~40.0	30x60x1.0~4.5	400x250x8~12.0
75x75x2.0~6.0	600x600x10.0~40.0	40x50x1.0~4.5	400x300x8~12.0
80x80x2.0~6.0	700x700x10.0~40.0	40x60x1.0~5.0	450x200x8~12.0
85x85x2.0~6.0	800x800x10.0~50.0	40x80x1.5~5.0	450x250x8~12.0
95x95x2.0~8.0	900x900x10.0~50.0	40x100x2.0~5.0	400x300x8~12.0
100x100x2.0~8.0	1000x1000x10.0~50	50x60x2.0~5.0	400x350x8~12.0
120x120x4.0~8.0		50x80x2.0~5.0	500x200x10~12.0
150x150x6.0~10.0		50x100x2.0~8.0	500x250x10~12.0
180x180x6.0~12.0		60x80x2.0~6.0	500x300x10~12.0

Square & Rectangular Steel Pipes

Square tubes and rectangular tubes are steel structure tubes made of hot-rolled or cold-rolled steel strips, which are formed by high-frequency welding and hot-dip galvanized or cold-dip galvanized on the surface.

Available in a wide range of sizes, thicknesses, and surface treatments (black, galvanized, oiled, painted), our rectangular and square pipes ensure structural integrity, durability, and precise dimensions.

We supply high-quality square and rectangular hollow section pipes made from carbon steel (Q235, Q345, S275, S355) and alloy steel (20#, 45#, 16Mn, 42CrMo). Widely used in steel structure projects, machinery manufacturing, vehicle frames, and construction applications.

Product Advantages： * ✔️ Premium Material: Certified carbon & alloy steel with guaranteed strength * ✔️ Precise Dimensions: CNC-controlled manufacturing for accurate tolerances * ✔️ Excellent Weldability: Smooth surface and clean weld seam * ✔️ Surface Customization: Anti-corrosion galvanizing or coating available * ✔️ Large Stock & Fast Delivery: Regular sizes in stock for quick shipment

Juyiheng New Materials Co.,Ltd founded in 1998, covers an area of 200,000 square meters, with more than 500 employees, is a company specializing in the building materials industry. The company is an agent of Shandong Iron and Steel, Laiwu Iron and Steel, Handan Iron and Steel, Rizhao Iron and Steel, Puyang and other steel mills, and has a first-hand source of goods. Our company mainly engaged in producing and exporting Galvanized Coil/Sheet, Galvalume Coil/Sheet, Aluzinc Coil/Sheet, Prepainted Galvanized Coil/Sheet, Corrugated Sheets, Copper Tube and Copper Bar, Aluminum Coil and Aluminum Bar and Magnesium Oxide Board. Currently the Group holds the Tubes Mill and production lines of galvanized, galvalume, aluzinc and prepainted steel, with the annual production capacity of 2 million tons.

Customization Services： * ✔️ Custom size and length cutting * ✔️ Logo/Marking/Stamping * ✔️Packaging: Bundles with steel straps, plastic caps, export seaworthy packaging * ✔️ Packaging: Bundles with steel straps, plastic caps, export seaworthy packaging

Q:Will you can accept the customized and OEM products? A:Yes,we can do the production based on your drawings and with your logo,also because we have very strong design and development team,so the feedback is very good for customized product. Q:What is your payment terms? A:Commonly two payment term for new customers 1 ) 30%T/T as deposit,70% balance against B/L copy. 2)100% Irrevocable L/C at sight. If you need other terms, please feel free to contact us too, we will try our best. Q:How about the samples? Is it free to extra fees? A：Samples are free, you need to pay for shipping. Q:How long is your delivery time? A:Our daily inventory is more than 8000 tons, so far common products size,just need 5 days from stocks; if the special size from new production, delivery 7-15 days. Q:How to control and guarantee your shipment quality? A:1) All our factories are ISO 9001 certified facility; 2) World famous origin mills as TISCO, Bao steel; 3) Ex factory inspection by our own laboratory; 4) SGS/BV Third party inspection before delivery.

Square tube size(mm)			Rectangular tube size(mm)		Rectangular tube size(mm)
16x16x0.4~1.5	200x200x6.0~12.0	10x20x0.6~1.5	80x100x2.0~8.0	600x200x10~28.0
18x18x0.4~1.5	220x220x6.0~140	14x21x0.6~1.5	120x60x2.5~10.0	600x400x10~28.0
20x20x0.4~1.5	250x250x6.0~14.0	15x30x1.5~1.5	120x80x2.5~10.0	600x500x10~28.0
25x25x0.6~2.0	280x280x6.0~14.0	15x38x0.6~1.5	150x100x2.5~12.0	800x400x10~28.0
30x30x0.6~4.0	300x300x8.0~14.0	20x30x0.6~2.0	180x150x2.5~12.0	800x600x10~28.0
34x34x1.0~2.0	320x320x8.0~14.0	20x40x0.8~2.0	200x100x4~12.0	800x700x10~28.0
35x35x1.0~4.0	350x350x8.0~14.0	20x50x1.0~2.0	250x150x6~12.0	1000x400x10~28.0
38x38x1.0~4.0	380x380x8.0~14.0	22x35x09~2.0	250x150x6~12.0	1000x500x10~28.0
40x40x1.0~4.5	400x400x8.0~14.0	25x40x0.9~3.75	250x100x6~12.0	1000x600x10~28.0
44x44x1.0~4.5	420x420x10.0~14.0	25x65x1.0~2.0	250x200x6~12.0	1000x800x10~28
45x45x1.0~5.0	450x450x10.0~14.0	30x40x1.0~3.75	300x150x6~12.0
50x50x1.0~5.0	480x480x10.0~14.0	30x45x1.0~3.75	300x200x6~12.0
60x60x1.5~5.0	500x500x10.0~14.0	30x50x1.0~4.0	300x250x6~12.0
70x70x2.0~6.0	550x550x10.0~40.0	30x60x1.0~4.5	400x250x8~12.0
75x75x2.0~6.0	600x600x10.0~40.0	40x50x1.0~4.5	400x300x8~12.0
80x80x2.0~6.0	700x700x10.0~40.0	40x60x1.0~5.0	450x200x8~12.0
85x85x2.0~6.0	800x800x10.0~50.0	40x80x1.5~5.0	450x250x8~12.0
95x95x2.0~8.0	900x900x10.0~50.0	40x100x2.0~5.0	400x300x8~12.0
100x100x2.0~8.0	1000x1000x10.0~50	50x60x2.0~5.0	400x350x8~12.0
120x120x4.0~8.0		50x80x2.0~5.0	500x200x10~12.0
150x150x6.0~10.0		50x100x2.0~8.0	500x250x10~12.0
180x180x6.0~12.0		60x80x2.0~6.0	500x300x10~12.0

Square & Rectangular Steel Pipes

Square tubes and rectangular tubes are steel structure tubes made of hot-rolled or cold-rolled steel strips, which are formed by high-frequency welding and hot-dip galvanized or cold-dip galvanized on the surface.

Available in a wide range of sizes, thicknesses, and surface treatments (black, galvanized, oiled, painted), our rectangular and square pipes ensure structural integrity, durability, and precise dimensions.

We supply high-quality square and rectangular hollow section pipes made from carbon steel (Q235, Q345, S275, S355) and alloy steel (20#, 45#, 16Mn, 42CrMo). Widely used in steel structure projects, machinery manufacturing, vehicle frames, and construction applications.

Product Advantages： * ✔️ Premium Material: Certified carbon & alloy steel with guaranteed strength * ✔️ Precise Dimensions: CNC-controlled manufacturing for accurate tolerances * ✔️ Excellent Weldability: Smooth surface and clean weld seam * ✔️ Surface Customization: Anti-corrosion galvanizing or coating available * ✔️ Large Stock & Fast Delivery: Regular sizes in stock for quick shipment

Juyiheng New Materials Co.,Ltd founded in 1998, covers an area of 200,000 square meters, with more than 500 employees, is a company specializing in the building materials industry. The company is an agent of Shandong Iron and Steel, Laiwu Iron and Steel, Handan Iron and Steel, Rizhao Iron and Steel, Puyang and other steel mills, and has a first-hand source of goods. Our company mainly engaged in producing and exporting Galvanized Coil/Sheet, Galvalume Coil/Sheet, Aluzinc Coil/Sheet, Prepainted Galvanized Coil/Sheet, Corrugated Sheets, Copper Tube and Copper Bar, Aluminum Coil and Aluminum Bar and Magnesium Oxide Board. Currently the Group holds the Tubes Mill and production lines of galvanized, galvalume, aluzinc and prepainted steel, with the annual production capacity of 2 million tons.

Customization Services： * ✔️ Custom size and length cutting * ✔️ Logo/Marking/Stamping * ✔️Packaging: Bundles with steel straps, plastic caps, export seaworthy packaging * ✔️ Packaging: Bundles with steel straps, plastic caps, export seaworthy packaging

Q:Will you can accept the customized and OEM products? A:Yes,we can do the production based on your drawings and with your logo,also because we have very strong design and development team,so the feedback is very good for customized product. Q:What is your payment terms? A:Commonly two payment term for new customers 1 ) 30%T/T as deposit,70% balance against B/L copy. 2)100% Irrevocable L/C at sight. If you need other terms, please feel free to contact us too, we will try our best. Q:How about the samples? Is it free to extra fees? A：Samples are free, you need to pay for shipping. Q:How long is your delivery time? A:Our daily inventory is more than 8000 tons, so far common products size,just need 5 days from stocks; if the special size from new production, delivery 7-15 days. Q:How to control and guarantee your shipment quality? A:1) All our factories are ISO 9001 certified facility; 2) World famous origin mills as TISCO, Bao steel; 3) Ex factory inspection by our own laboratory; 4) SGS/BV Third party inspection before delivery.

Place of Origin	Shandong, China
Brand Name	Juyiheng
Price	$600/tons 1-49 tons

Invoicing	By Theoretical Weight	Oiled Or Non-oiled	Non-oiled
Section Shape	Rectangular	Surface Treatment	Galvanized
Tolerance	±1%	Alloy Or Not	Non-Alloy
Application	Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, Oil Pipe, Chemical Fertilizer Pipe, Structure Pipe, Other	Certificate	CE, KS, JIS, Gs, ISO 9001
Delivery Time	7-15 Days	Grade	Q195/Q235/Q345
Length	12 M, 6 M	Processing Service	Bending, Welding, Decoiling, Punching, Cutting
Special Pipe	API Pipe, Other, EMT Pipe, Thick Wall Pipe	Standard	GB,ASTM,AISI,DIN,JIS,EN,bs
Thickness	0.6 - 20 Mm	Pruduct Name	Carbon/Galvanized Steel Pipe Tube
Surface	Galvanized/Black	Technology	ERW Tube
Process	Cutting Punching Welding Accepted	Zinc Coating	20g-275g/m2
Payment Terms	L/C T/T (30%DEPOSIT)	Diameter	10x10-600x600mm
Wall Thickness	0.4mm-20mm Or Request	Type	Square Tubes
Highlight	galvanized carbon steel pipe , square rectangular hollow tube , ERW oil pipe Q235

Hot Rolled Carbon Steel Coil

Cold Rolled Carbon Steel Coil

Galvanized Steel Coil

Steel Frame Structure

Welded Steel Pipe

Deformed Steel Rebar

Steel Wire Rod

PPGI Steel Coil

Galvanized Steel Grating

Hot Rolled Steel Sheet

Galvanized Steel Plate

Round Steel Rod

Galvanized Steel Profile

PPGI Corrugated Sheet

Steel H Beam

Ringlock Scaffolding

Seamless Steel Pipes

Invoicing By Theoretical Weight Carbon Steel Galvanized Square Rectangular Hollow ERW Tube Oil Pipe Grade Q195 Q235 Q345

galvanized carbon steel pipe

square rectangular hollow tube

ERW oil pipe Q235

Square & Rectangular Steel Pipes

Square & Rectangular Steel Pipes

Sch 40 Seamless Carbon Steel Pipe

20 Inch seamless carbon steel pipe

12m Length Seamless Steel Pipe

Non-oiled Carbon Steel Galvanized Square Rectangular Hollow ERW Tube Oil Pipe Q195 Q235 Q345 Steel Material Specification