Is Q235B easy for welding and bolt connection on construction site?

Q235B low carbon steel has outstanding weldability and cold working performance, very friendly for global field construction operation.

What is the most commonly purchased size for general building structure?

10#,12#,14#,16# GB channel are the most popular mainstream specifications for factory and warehouse projects.

What certificates can be provided for import customs clearance?

We supply EN10204 3.1 mill test certificate, SGS third-party inspection report, ISO9001 certificate and GB standard conformity document.

What is the maximum standard length you can supply?

Maximum original factory length is 12 meters, any shorter length can be cut down from 12m raw bars.

Q355b Structural Carbon Steel Channel for Steel Workshop

Name: Q355b Structural Carbon Steel Channel for Steel Workshop
Brand: Tianjin Zengze Steel Trading Co., Ltd.
SKU: 1942297372

Tianjin, ChinaTianjin Zengze Steel Trading Co., Ltd.

US$720.00

2-9 Tons

US$710.00

10-19 Tons

US$700.00

20-49 Tons

US$690.00

50-99 Tons

US$680.00

100+ Tons

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Quality Objection Within 10 Days Since Receiving

Warranty

6 Months

Model NO.

ZZ-I-188

Type

Cold Bending Equal Channel

Standard

GB, ASTM, JIS, AISI, DIN, BS

Shape

C Channel

Perforated

Not Perforated

Length

5-12m

Delivery

7 Days

Technique

Cold Rolled, Hot Rolled

Material

A36, Q235, Q345, Ss400, S235.S355

Stock

8000tons for Normal Size

Manufacturer

Rizhao, Laiwu

MOQ

1 Ton

Shipment Port

Tianjin, Qingdao, Shanghai

Payment Term

30%T/T, Balance Against Shipping Documents

Height

50~300mm

Thickness

3~60mm

Application

Construction

Surface

Hot Rolled Surface or Galvanized

Shipping

by Container or Bulk Ship

Transport Package

Standard Package

Specification

standard size

Trademark

Zengze

Origin

China

HS Code

7216321000

Production Capacity

5000tons Per Month

Key features

GB Standard Compliance: Manufactured strictly according to GB/T 700-2006 and GB/T 706-2016 national standards.

Large Ready Stock: 8000 tons of normal sizes available for immediate delivery upon order confirmation.

Fast Delivery: In-stock sizes shipped within 3-5 working days; customized specs in 7-10 working days.

Custom Length Cutting: Free cutting service available to match specific construction drawing requirements.

High Load Bearing: Hot rolled structure with thicker walls designed for primary stress-bearing components.

Excellent Weldability: Low carbon composition ensures stable welding, riveting, and bolt connection effects.

Comprehensive Certifications: Provides EN10204 3.1 MTC, SGS reports, ISO9001, and GB compliance letters.

100% Quality Screening: QC team inspects all products for bending, twisting, rust, and dimensional tolerance.

Bundled seaworthy packaging with optional temporary anti-rust oil for long-distance transport.

Mass production and stable delivery cycle to satisfy large-scale steel workshop construction schedules.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceFast Delivery

Tianjin Zengze Steel Trading Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 17 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.59h CertifiedTerms of Payment: LC, T/T, D/P, etc.

About Our Factory & Business Background

AddressBeichen District Beicang Way Names Material, Tianjin, China

Plant Area50 square meters

Number of Employees2

Registered Capital5,000,000 RMB

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

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

Minimum Order Quantity100 Kg

Supply Chain Partners10

Our Production Capability & Technical Expertise

Main ProductsSteel And Laser Cladding Machine

R&D Engineers1 people

Our Industry Experience & Global Business Record

Year of Establishment2007-12-11

Main MarketsEurope, Domestic, Asia

Repeat Buyers Choice80%~100%

Number of Foreign Trading Staff1

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:What is the difference between GB Q235B channel and A36 American standard channel?

Q235B follows Chinese GB national standard with yield strength 235MPa, A36 complies with ASTM US standard yield 250MPa; section dimension system, flange inclination and weight calculation rules are different, selected according to local engineering design standard.

Q:Is the entire stock ready for immediate shipment?

Yes, all Q235B GB channel are finished products in warehouse, no production waiting period.

Q:Can we mix multiple different sizes in one order?

Accept mixed specification allocation freely as long as within the available inventory quantity.

Q:Can you cut the channel to customized fixed length?

Free cutting service is provided strictly according to customers' construction drawing length requirements.

Q:What is the default surface treatment of in-stock channel?

Default is hot rolled black oxidized surface; shot blasting cleaning or grey anti-rust primer coating can be arranged as extra service.