Can you provide Mill Test Certificates (MTC)?

Yes. Every shipment includes an EN 10204 3.1 Mill Test Certificate with heat number, chemical composition, mechanical properties and inspection results for full traceability.

DN15 Od 21.3mm Wt 2.0mm Pre-Galvanized Carbon Steel Gi Square Pipe

Name: DN15 Od 21.3mm Wt 2.0mm Pre-Galvanized Carbon Steel Gi Square Pipe
Brand: Shanghai Hongxianghui Steel Manufacturing Co., Ltd.
SKU: 2189495132

Shanghai, ChinaShanghai Hongxianghui Steel Manufacturing Co., Ltd.

US$500.00-550.00

50 Tons

Product profile

Customization

Available

Type

Seamless/Welded

Technique

Hot Rolled/Hot DIP Galvanized

Model NO.

ASTM A53 BS 1387 EN 10255 GB/T 3091 EN 10219 ASTM

Material

Carbon Steel

Surface Treatment

Galvanized

Section Shape

Round/Square

Pipe End

Plain End, Beveled End, Threaded End, Grooved End,

Product Features

Excellent Corrosion Resistance; Long Service Life

Certificate

ISO9001, SGS, BV, API 5L, API 5CT, etc.

Usage/Application

Pipeline Transportation, Water Supply, Scaffolding

Processing Service

Cutting, Threading, Flanging, Beveling, Can Be as

Transport Package

Standard Export Seaworthy Packing

Specification

OD: 21.3 mm - 609.6 mm; WT: 0.8 mm - 25 mm; Length

Trademark

HXHSTEEL, Baosteel, Shagang

Origin

China

Key features

Extensive Material Grades: Supports Q235B, ASTM A53, API 5L, JIS G3444, and international grades like S235JR, S355JR.

Customizable Dimensions: OD 21.3-609.6mm, Wall 0.8-25mm, Length 3-12m, fully customizable per request.

Versatile Surface Treatments: Hot-dip galvanized, electro-galvanized, pre-galvanized, black, painted, oiled, or threaded.

Comprehensive Processing Services: Includes cutting, threading, flanging, beveling, and custom pipe end preparations.

International Certifications: ISO 9001, SGS, BV, API 5L, API 5CT, and compliance with ASTM, EN, JIS, GB standards.

High Production Capacity: Annual capacity of 200,000 tons with 70,000-ton inventory for fast delivery.

Mill Test Certificates: Every shipment includes EN 10204 3.1 MTC with full traceability of heat number and properties.

Company profile

High Repeat Buyers ChoiceFast DeliveryR&D CapabilitiesStandardized Supplier Management

Shanghai Hongxianghui Steel Manufacturing Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading Company, Group Corporation CertifiedCustomization Options: Customization from Samples, Customization from DesignsAverage Response Time: ≤4.25h

About Our Factory & Business Background

AddressShanghai, China

Plant Area222 square meters

Number of Employees7

Registered Capital10,000,000 RMB

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

Supply Chain Partners25

Our Production Capability & Technical Expertise

Main ProductsSeamless Steel Pipe, PPGI, Seamless Pipe, Ductile Iron Pipe, Welded Pipe, Pickling&Oiled Coil, Stainless Pipe, Stainless Coil, Metal Product, Steel Product

Our Industry Experience & Global Business Record

Year of Establishment2021-03-17

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

Repeat Buyers Choice50%~80%

Overseas Agent/BranchNo

Product Q&A

Q:What steel products do you supply?

HXH Steel supplies carbon steel, stainless steel, galvanized steel and alloy steel products, including steel pipes & tubes, steel coils, sheets & plates, H-beams, I-beams, channels, angles, rebar and customized structural steel.

Q:What steel grades are available?

We supply a wide range of international grades, including SS400, A36, A572, S235JR, S355JR, ASTM A53, ASTM A106, API 5L, DX51D+Z, SGCC, AISI 304, 304L, 316, 316L and more.

Q:Which international standards do your products comply with?

Our products are manufactured according to ASTM, ASME, API, EN and JIS standards. We also operate under ISO 9001 quality management and provide CE and API certified products where applicable.

Q:Do you offer custom sizes and processing?

Yes. We provide customized dimensions, cut-to-length, slitting, drilling, beveling, bending, welding and surface treatments such as painting and hot-dip galvanizing according to your drawings or specifications.

Q:How do you ensure product quality?

Quality control covers every stage from raw material sourcing to final shipment. All products undergo strict inspection for dimensions, surface quality and mechanical performance before delivery.