What are the delivery status options?

We offer Annealing and Bright Annealing delivery statuses.

What certifications do your products have?

Our products comply with ISO9001:2015, ISO14001:2015, ISO45001:2018, TS, PED97/23/CE, and various international standards.

What is the average lead time?

During peak season, the lead time is one month; during off-season, it is within 15 workdays.

Professional Manufacturer Pre-Galvanized Square/Rectangular Hollow Section Q235 Gi Steel Pipe for Structure Building

Name: Professional Manufacturer Pre-Galvanized Square/Rectangular Hollow Section Q235 Gi Steel Pipe for Structure Building
Brand: Wenzhou Huashang Steel Co., Ltd
SKU: 2187599115

Zhejiang, ChinaWenzhou Huashang Steel Co., Ltd

US$2.00-10.00

500 kg

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Provide Technical Guidance

Warranty

1 Year

Model NO.

Seamless tube

Type

Seamless

Technique

Cold Drawn

Material

Alloy Steel

Surface Treatment

Polished

Usage

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose

Section Shape

Round

Processing Technic

Cold-Rolled or Clod Draw

Delivery Status

Annealing

Surface

Bright Tube, Pickling Passivation, Polish

Experience

Over 30years

Wall Thickness

0.2--3.5mm

Max Length

18m

Material Grade

Duplex Steel /Stainless Steel/Titanium

Grade

Nickel Alloy Steel

Transport Package

Plywood Pallet/Case

Specification

OD 2--38.1mm

Trademark

Origin

China

HS Code

7304419000

Production Capacity

3800 Tons/Year

Key features

Precision Tolerance Control: Diameter tolerance up to 0.3%D and wall thickness tolerance up to 3%S for high-precision applications.

Bright Annealing Process: Closed furnace with argon and nitrogen protection ensures bright, oxide-free surfaces and uniform mechanical performance.

Extensive Material Range: Supplies Austenitic, Super Austenitic, Duplex, Nickel Alloy, Nickel, and Titanium alloys with diverse grades.

Advanced Manufacturing Equipment: Features high-speed precision multi-roll mills, automatic heat piercing lines, and temperature-controlled annealing furnaces.

Comprehensive Quality Testing: Equipped with spectrometers, ultrasonic detectors, eddy current flaw detectors, and hydrostatic test machines.

Professional Technical Support: Engineers provide immediate remote guidance for pre-sales, during sales, and after-sales technical difficulties.

Third-Party Inspection Acceptance: Cooperates with SGS, TUV, BV, DNV, LR, ABS, and other third-party inspections to ensure product excellence.

Door-to-Door Shipment: Full logistics cooperation providing seamless transportation from origin to destination to simplify your process.

Company profile

Importers and ExportersIn-stock CapacityR&D CapabilitiesYears of Export Experience

Wenzhou Huashang Steel Co., Ltd

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2009-04-10Average Response Time: ≤18hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, Others, FCA

About Our Factory & Business Background

AddressNo.128 Wenchang Road, Longwan, Wenzhou, Zhejiang, China

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsStainless Steel Pipe, Ss Pipe, Stainless Steel Tube, Ss Tube, Butt Welded Fitting, Nickel Alloy Fitting, Flange, Stainless Steel Butt Welded Fitting, Duplex Steel Pipe, Nickel Alloy Steel Pipe

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What is the warranty period?

We provide a 1-year warranty for our products.

Q:What is the maximum length of the seamless tube?

The maximum length can reach up to 38 meters.

Q:What materials do you supply?

We supply Austenitic Stainless Steel, Super Austenitic Stainless Steel, Super Duplex Steel, Nickel Alloy Steel, Nickel, and Titanium & Titanium Alloy.

Q:What are the diameter and wall thickness tolerances?

Diameter tolerance is up to 0.3%D and wall thickness tolerance is up to 3%S.

Q:Do you provide technical support?

Yes, we offer professional remote technical guidance and video meetings with engineers for any technical difficulties.