What are the available sizes?

The bars are available in sizes ranging from 8x8mm to 60x60mm.

What standards do the products follow?

Products follow national standards (GB) or agreed-upon standards.

A36 Ss400 S45c S20c Hot Rolled Steel Square Bar

Name: A36 Ss400 S45c S20c Hot Rolled Steel Square Bar
Brand: Guangzhou New Zhonglian Building Materials Co., Ltd.
SKU: 775248155

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

US$500.00-700.00

5 Tons

Product profile

Customization

Available

Type

Carbon Steel Bar

Standard

AISI, GB, JIS, DIN

Model NO.

Steel Square Bar

Technique

Cold Drawn

Application

Structural Steel Bar, Tool Steel Bar, Die Steel Bar

Surface Treatment

Polished

Alloy

Special Use

Free Cutting Steel

Transport Package

Standard Export Seaworthy Packing

Specification

8X8MM-60X60MM

Trademark

Zhong Lian

Origin

Hebei, China

HS Code

721499

Production Capacity

1000 Tons/ Month

Key features

Wide Size Range: Available in sizes from 8x8mm to 60x60mm to meet diverse structural needs.

Multiple Material Grades: Offers 35CrMo, 4135, and 1.7220 grades for various alloy steel applications.

Customized Packing: Provides standard seaworthy packing or customized options as per customer requirements.

Fast Delivery: Delivery time is 20 days after order confirmation, with off-season lead times within 15 workdays.

High Quality Assurance: Includes ladle furnaced and vacuum de-gassed processing with heat numbers on each bar.

Strict Tolerance Control: Side length tolerance is +/-2mm with length tolerance of +100mm/-0mm.

Comprehensive Certificates: Mill test certificates show chemical composition guaranteed within contract limits.

Multiple Payment Options: Accepts T/T, L/C at sight, D/P, Western Union, and Money Gram for flexible transactions.

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.