Hot Rolled Galvanized Steel Pipe

Steel Grades: Common grades include Q195, Q235, S235JR, S355JR, A53 Grade A, A53 Grade B, ST37, ST52.
Sizes:
Outer Diameter (OD): Range from ~17.2 mm (1/2") to 165 mm (6") and larger for custom orders.
Wall Thickness: Typically from 1.0mm to 6.0mm (Schedule 10 to Schedule 80 equivalents).
Length: Usually 6 meters or 12 meters, but can be cut to custom lengths.

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.

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