What is the standard length of the pipes?

Standard length is 5.8-6.0 meters, but any length below 16 meters is available upon request.

ASTM A53 Class 40 Hot Dipped Galvanized Round Steel Pipe

Name: ASTM A53 Class 40 Hot Dipped Galvanized Round Steel Pipe
Brand: Guangzhou New Zhonglian Building Materials Co., Ltd.
SKU: 791291545

Guangdong, ChinaGuangzhou New Zhonglian Building Materials Co., Ltd.

US$400.00-600.00

5 Tons

Product profile

Customization

Available

Type

Welded

Technique

Hot Rolled

Model NO.

Galvanized Steel Pipe

Material

Carbon Steel

Surface Treatment

Galvanized

Usage

Pipeline Transport, Machinery Industry, Construction & Decoration, Special Purpose

Section Shape

Round

Steel Grade

Q235, Q345, G250, G450, G550

Zinc Coating

220-350 Grams / M2

Standard Length

5.8-6.0 Meter

Transport Package

Packed by Steel Strips

Specification

CE, SGS, BV

Trademark

GIT001

Origin

Tianjin, China

HS Code

73063090

Production Capacity

500 Tons Per Month

Key features

Wide Size Range: OD 19-406mm, Thickness 0.25-30mm, Length up to 16m.

Multiple Steel Grades: Available in Q235, Q345, ASTM A53, BS1387, and more.

Custom Zinc Coating: Zinc coating adjustable from 220 to 350 Grams per M2.

Flexible Surface Treatment: Options include Galvanized, Oiled, Color Paint, and 3PE.

Fast Delivery: Delivery within 7-25 days after receiving payment.

Strict Quality Inspection: Includes chemical, mechanical, dimensional, and NDT.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExhibition Experience

Guangzhou New Zhonglian Building Materials Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2000-09-01Nearest Port: Guangzhou, Shenzhen, FoshanAverage Response Time: ≤24hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CIF, EXW

AI-Powered supplier vetting

SummaryGuangzhou New Zhonglian Building Materials Co., Ltd. is a China-based limited company identified as both a trading company and manufacturer/factory. It offers steel structures, building materials, prefab and container houses, and related products. The supplier reports 13 years as an audited Alibaba Gold Supplier, ISO 9000 and ISO 9001 certifications, six to ten quality-control staff, two production lines, broad export coverage, and a typical off-peak lead time within 15 working days. Its business scope includes engineering construction, materials procurement, whole-house customization, soft furnishing, and after-sales service. However, the provided information does not verify detailed production ownership, financial strength, R&D deliverables, OEM/ODM services, raw-material traceability, or specific customer projects. The SGS audit record shown expired on 2025-08-22, and its evaluation result is recorded as 0 without an explanatory interpretation.

Supplier typeThe supplier is registered in Guangzhou, China, as a limited company, while its business classification identifies it as a trading company, manufacturer/factory, and group corporation. The available information therefore supports a mixed trading-and-manufacturing profile rather than a purely manufacturing identity.

CertificationsThe supplier reports ISO 9000 and ISO 9001 management-system certifications, and an SGS audit was conducted beginning 2024-08-23. However, the SGS record expired on 2025-08-22, so the available evidence does not establish current SGS validity.

After-Sales capabilityThe company description explicitly includes after-sales service for customers. Nevertheless, the slices provide no details on service staffing, response times, warranty procedures, spare parts, or overseas service arrangements; overseas warehouse and showroom capabilities are marked unknown.

Production capacityThe supplier reports two production lines, six to ten quality-control staff, exports to multiple global regions, and an off-peak lead time within 15 working days. Its profile combines manufacturing and trading roles, but the slices do not clarify owned-factory capacity, production volume by product, or raw-material traceability.

Customization capabilityThe company explicitly offers whole-house customization and supplies product categories including steel structure buildings, prefab houses, capsule houses, and container houses. This supports customization capability at the project or product-solution level, although specific design resources, customization limits, and execution processes are not provided.