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.

DN150 Od 168.3mm Wt 5.0mm Galvanized Square Pipe for Fire Sprinkler System

Name: DN150 Od 168.3mm Wt 5.0mm Galvanized Square Pipe for Fire Sprinkler System
Brand: Shanghai Hongxianghui Steel Manufacturing Co., Ltd.
SKU: 2185253422

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

Comprehensive Customization: Custom sizes, cut-to-length, slitting, drilling, beveling, bending, welding, and surface treatments available.

Wide Material Range: Carbon, stainless, galvanized, and alloy steel products including pipes, coils, sheets, and structural shapes.

International Standards Compliance: Products manufactured to ASTM, ASME, API, EN, JIS, and ISO 9001 standards with CE and API certifications.

Strict Quality Control: Full traceability with EN 10204 3.1 Mill Test Certificates covering heat number, composition, and mechanical properties.

Fast Quotation Response: Standard stock products quoted within 1-2 hours; general quotations provided within 12 working hours.

Versatile Applications: Suitable for pipeline transport, oil & gas, construction, scaffolding, HVAC, fire protection, and mechanical engineering.

Reliable Supply Chain: 70,000-ton inventory with strategic partnerships ensuring fast global delivery and stable supply.

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: ≤4.12h

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.