Hot Dip Galvanized Square Pipe With Welding and Seamless

Hot-dip galvanized square pipes are available in a wide range of sizes and specifications to meet diverse project needs:
Sizes and Shapes:
Square Tubes: Ranging from 20mm×20mm to 1000mm×1000mm, with wall thicknesses from 1.2mm to 40mm 2. Common sizes include 40x40mm, 80x80mm 3, 150x150mm, and 200x200mm 1.
Rectangular Tubes: Ranging from 20mm×30mm to 400mm×600mm, with similar wall thicknesses 2.
Round Tubes: Outer diameters (OD) from 20mm to 273mm, with wall thicknesses from 1.5mm to 8.0mm 2.
Wall Thickness: Generally ranges from 0.7mm to 6mm 1, with some suppliers offering up to 20mm 8.
Length: Typically 5.8m to 12m, but customizable according to customer needs 14.
Common Steel Grades: Include Q195, Q215, Q235, Q345, S235JR, SS400, 20# Steel, 45# Steel 124.
Standards and Certifications: Pipes can be manufactured to meet various international standards such as ASTM A53, EN 10255, BS 1387, DIN EN 10217-1, JIS G3444, ISO 9001, and often carry certifications like CE, API, BSI, SONC

ProductsGalvanized  Steel Tube / Pipe

Round TubeSquare TubeRectangular Tube
Wall Thickness0.8-50mm0.8mm--50mm0.8-50mm
Outer Diameter15-610mm15*15mm – 600*600mm10*20mm-700*300mm
Zinc Coat40-240g/m²
Steel GradesQ195, Q235A-B, Q345A-E, ASTM A36,ASTM A500, ASTM A53, ASTM 106, SS400, St37, St52, S235JR, S355TRH etc
StandardsGB/T 3091-2001,GB/T13912-2002, BS 1387, ASTM F1083 etc.
Pipe EndsTreatmentPlain, beveled, threaded, socket with holes, with PVC clap/ coupling/ clamp, or as customers' requirement
ApplicationLiquid delivery (pump well, gas, water),  construction pipe,  structural pipe(greenhouse structure,  fence post),  curtain wall, machinery part etc.
PackageIn bundle, no other package or wrapped with waterproof, or as customers' requirement
Payment TermT/T, L/C at sight,West Union
Price TermCIF; CFR; FOB; EXW



chemical composition

GradeStandardC (%) maxMn (%)Si (%) maxP (%) maxS (%) max
ASTM A53 Grade BASTM A53 (Seamless/Welded Pipe)0.30.29-1.060.40.050.045
ASTM A106 Grade BASTM A106 (Seamless tube)0.30.29-1.060.350.0350.035
API 5L Grade BAPI Spec 5L (pipeline pipe)0.260.45-1.200.40.030.03
S235J0H / S235J2HEN 10219-1/-2 (Cold-formed welded pipe)0.17-0.210.65-1.600.50.030-0.0350.030-0.035
S355J0H / S355J2HEN 10219-1/-2 (Cold-formed welded pipe)0.20-0.240.70-1.700.50-0.550.030-0.0350.030-0.035
STK 400 / STK 490JIS G 3444 (Structural carbon steel pipes)0.30-0.320.30-1.000.30-0.550.040.04
Q235B / Q355BGB/T 3091 (Low-pressure fluid delivery pipe)0.20-0.220.30-0.800.350.0450.045



DNouter diameterOrdinary steel pipe
MMMMDeviationThicknesswelded pipe(kg/m)Galvanized pipe(kg/m)
MMDeviation
610.2
2.0
0.40.4256
813.5
2.312%0.620.64
1017
2.3-15%0.820.84
1521.3±0.5mm2.8
1.261.30
2026.82.8
1.631.68
2533.53.3
2.422.49
3242.33.3
3.133.22
40483.5
3.843.96
5060±1%3.5
4.885.03
6575.53.8
6.646.84
8088.54.0
8.348.59
1001144.0
10.8511.18
1251404.5
15.0415.49
1501654.5
17.8118.34


Packaging and shipping


Shandong Zhonglian Yongsheng Special Steel Co., Ltd. is a steel production enterprise that has been engaged in steel production, processing and sales for many years. Its main products include stainless steel series, carbon steel, galvanized steel and other profile products. It can also provide other metal products according to customer needs, with an annual export volume of about 1 million tons. It has five finishing production lines, three hot-dip galvanizing production lines, and two color coating production lines. It adopts advanced automatic width control system (AWC), automatic thickness control system (AGC), bending roll system, work roll guide roll system and other effective measures to ensure product quality. Its products are exported to more than 30 countries and regions including the United States, Canada, Spain, Russia, Iran, Saudi Arabia, Morocco, India, Pakistan, Malaysia, Singapore, Australia, New Zealand, etc. "Punctuality, integrity, and humanized service" have always been the development principles that the company and all employees have always adhered to.

Certificate

Message
Requiredwrong format
Requiredwrong format
Requiredwrong format
Requiredwrong format
Required
Products Recommended

 CopyrightShandong Zhonglian Yongsheng Special Steel Co., Ltd.