What are the maximum length and wall thickness options?

Max length is up to 18m (or 38m for specific products), and wall thickness ranges from 0.2mm to 3.5mm.

What happens if material defects are found?

If any defect is found in material that does not match the standard, free replacement will be done immediately.

What certifications do your products have?

Our products are certified under ISO9001:2015, ISO14001:2015, ISO45001:2018, TS, PED97/23/CE, and various TUV, BV, CCS, LR, ABS, DNV-GL standards.

Customized Large-Diameter Thick-Walled Seamless Steel Pipe 20# Hot-Rolled Hollow Seamless for Construction Engineering

Name: Customized Large-Diameter Thick-Walled Seamless Steel Pipe 20# Hot-Rolled Hollow Seamless for Construction Engineering
Brand: Wenzhou Huashang Steel Co., Ltd
SKU: 2187867855

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.

thick wall 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 up to 3% S for high precision applications.

Bright Annealing Process: Closed furnace with argon and nitrogen protection ensures bright, oxide-free surface finish.

Comprehensive Material Range: Supplies Austenitic, Super Austenitic, Duplex, Nickel Alloy, Nickel, and Titanium grades.

Advanced Manufacturing Equipment: Equipped with multi-roll mills, bright annealing furnaces, and automatic cold-drawing lines.

Rigorous Quality Testing: Full inspection suite including spectrometer, ultrasonic, eddy current, and hydrostatic testing.

Professional Technical Support: Engineers provide immediate remote guidance and free replacement for material defects.

Third-Party Inspection Accepted: Cooperation with SGS, TUV, BV, DNV, LR, ABS for factory inspection and quality assurance.

Door-to-Door Shipment: Full logistics cooperation simplifying transportation from origin to destination.

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