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4 Inch Galvanized Steel Pipe ASTM A53 ERW | Tubo de Acero Galvanizado 101.6mm SCH40

4 Inch Galvanized Steel Pipe ASTM A53 ERW | Tubo de Acero Galvanizado 101.6mm SCH40

✔ High-Strength & Durable
Hot-dip galvanized (Z275 coating) with ≥80μm zinc layer, ensuring 20+ years of rust protection
Material: Q235B/Q355B carbon steel, yield strength up to 355MPa
Wall thickness: 1.5–6mm (±0.3mm precision tolerance)

✔ Wide Applications
Construction: Roof trusses, steel frameworks, prefab housing
Infrastructure: Guardrails, signage frames, solar mounting systems
Industrial: Machinery bases, conveyor supports
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Product Introduction

Tianjin Tianyingtai Steel Pipe Co., Ltd. is one of the most credible manufacturers and suppliers of 4 Inch Galvanized Steel Pipe ASTM A53 ERW | Tubo de Acero Galvanizado 101.6mm SCH40 in China. Welcome to consult the quotation and import cheap 4 Inch Galvanized Steel Pipe ASTM A53 ERW | Tubo de Acero Galvanizado 101.6mm SCH40 made in China here from our factory.

 

I.Product Basic Info:

Name 4 Inch Galvanized Steel Pipe ASTM A53 ERW
Surface Galvanized (200-220g/m2 usual,can be request by customer)
Material

Q195,Q215,Q235,Q345

MOQ 5 tons for normal size and material
WT As customer's requests
Payment terms TT deposit + the balanced against BL copy / LC or 100% LC at sight
Trade terms FOB,C&F,CIF,EXW
Length fixed or random,as customer request.
End Treatment Plain(can be threaded,punch,shrink,extension... )
Lead time

within 7 days from stock with 6m length (stock pipe with our factory name in Chinese),20-25 days for customized pipe according to the qty

2.Product Chemical Composition & Mechanical Properties :

Grade Chemical Composition Mechanical Properties
C Mn Si S P Yield Tensile Elongati
Strength Mpa Strenth Mpa -on %
Q195 0.06-0.12 0.25-0.50 ≤0.30 ≤0.045 ≤0.05 ≥195 315-430 ≥33
Q235 0.12-0.20 0.30-0.67 ≤0.30 ≤0.045 ≤0.04 ≥235 375-500 ≥26
Q345 ≤0.20 1.00-1.60 ≤0.55 ≤0.04 ≤0.04 ≥345 470-630 ≥22

3.Product standard test:

Q195≈ Grade B,SS330 SPHC,S185
Q235 ≈ Grade D,SS400,S235
Q345 ≈ Grade 50/345,SPFC590,E/S335
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GI RHS 017

Our advantages

1.Thailand, we have the lowest anti-dumping duties in China.(3.22%)

2.Factory and experimental test center to achieve cost and quality control

3.Processing lines, can satisfy various requests of customers. Producing and processing one-top service

4.Is the top five in Tianjin

5.We have been cooperate with Alibaba for 13 years, we are gold supplier and assessed supplier, we are one of the first batch of companies do exporter in this industry.

All items of our products and related tests as follow :

1.ERW black round pipe (ASTM A53,GB..)

2.Weld black square/rectangular pipe(ASTM A500,GB,...)

3.Hot dip galvanized round pipe (BS 1387,ASTM A53,GB ,...)

4.Hot dip galvanized square/rectangular pipe(ASTM A500,GB...)

5.Pre-galvanized square/rectangular/round pipe,cold rolled black annealed or bright finished pipe.

6.Spiral steel pipe

7.Seamless pipe (ASTM A53,A106B,)

8.Oval pipe in galvanized and black surface

9.LTZ... special sizes pipe

10.Steel prop , steel plank,steel scaffolding pipe and accessories... steel constrctution material

11.Steel angle, Flat bar,round bar,sqaure bar,

12.H,I,U,C,T,Y,W...steel beam/channel

13.Deformed steel bar

14.Hot rolled& cold rolled steel sheet/coil in black,galvanized,color coated surface.

 

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Tianjin TianYingTai(TYT) Steel Pipe Co., Ltd is located in Jinghai, Tianjin, which is professionally engaged in steel production sales, steel processing, greenhouse engineering with accessories and export business. It has been experienced for 15 years so far. We have 13 production lines for various kinds of steel pipe, 10 processing production lines and 2 environmental production hot-dipped galvanizing lines. We not only can produce 450,000 tons of various sizes of ERW steel pipe, but also can produce deep processing pipe with 100,000 tons. Our annual production capacity of hot dipped galvanized steel pipe is 200,000 tons, capacity of greenhouse engineering material is 250,000 tons and highway column and guardrail is 200,000 tons.

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Tianjin TianYingTai Imports & Exports Trade Co., LTD is our export company. We have achieved trading capacity 60,000 tons in 2016.  Our products are widely used in agriculture, animal husbandry , chemical industry, machinery, construction, utilities, vehicle and other fields. Our customers are from Asia, the Middle East, the Southeast Asia, European Union and other countries.

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Quality Inspection:

1.Our factory has its own "experimental testing center".CNAS Laboratory Accreditation Certificate (the second private enterprise to obtain this certificate)

2.Control quality strictly.The first pass is the quality inspection on the production line,The second pass is full inspection of the production quality .

3.We have got internationally recognized certificates, ISO, CE, LR,Philippine certificate,also support third-party testing,as SGS, BV, ect.

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