What processing services do you offer?

We provide cutting, punching, bending, and welding services to meet your specific requirements.

What certifications does the product have?

The products are certified with ISO, RoHS, and ABS standards.

What are the payment terms?

Payment terms include LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

High-Strength ASTM Q355b Carbon Steel Flat Bar 50mm

Name: High-Strength ASTM Q355b Carbon Steel Flat Bar 50mm
Brand: Shandong Kanghong Manufacturing Co., Limited
SKU: 2155370272

Shandong, ChinaShandong Kanghong Manufacturing Co., Limited

US$400.00-520.00

5 Tons

Product profile

Customization

Available

Technique

Forged Hot Rolled Cold Drawn

Standard

AISI, JIS, ASTM, DIN, BS, GB

Model NO.

Q235B, Q355B, A36, S235JR

Certification

IS0, RoHS, ABS

Grade

Q235B, Q355b, A36, S235jr

Width

10mm-500mm

Thickness

3mm-60mm

Length

6m,9m,12m, Customized

Surface Treatment

Black Bare, Hot Dipped Galvanized

MOQ

1 Ton

Delivery Time

7-15 Working Days

Sample Policy

Free Sample Available, Freight Collect

Processing Service

Cutting, Punching, Bending, Welding

Supply Ability

10000 Tons/Month

Price Terms

Fob CIF, EXW

Transport Package

Standard Seaworthy Packing

Trademark

KANGHONG

Origin

Shandong, China

HS Code

7214910000

Production Capacity

500000 Ton

Key features

Wide Customization Options: Customizable grade, width, thickness, length, and surface treatment to meet specific needs.

Multiple Processing Services: Supports cutting, punching, bending, and welding services for tailored solutions.

Flexible Length Selection: Available in standard 6m, 9m, 12m lengths or fully customized dimensions.

Robust Surface Treatments: Options include black bare, hot dipped galvanized, annealed, pickled, bright, polished, and HL finishes.

High Supply Capacity: Monthly supply ability of 10,000 tons ensures timely delivery for large orders.

Strict Quality Assurance: ISO, RoHS, and ABS certified with random function and visual inspections on finished products.

OEM/ODM Support: Full customization from samples or designs available with dedicated R&D engineers.

Fast Delivery Time: Standard delivery within 7-15 working days, negotiable based on order quantity.

Company profile

Importers and ExportersFast DeliveryQuality AssuranceProduction Process Visualization

Shandong Kanghong Manufacturing Co., Limited

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: Foreign trade business has just begun CertifiedNearest Port: TianjinAverage Response Time: ≤7.74h

AI-Powered supplier vetting

SummaryThe supplier is explicitly identified as a professional technical supplier specializing in stainless steel, carbon steel, galvanized steel, metal processing, and related products. It provides 3D software design and multiple forms of customization, including sample-based, design-based, full, minor, and flexible customization. Production is supported by factories with complete facilities, while stated quality controls include batch testing, quality assurance, and raw-material traceability. However, finished products are also described as being checked by packing staff, and no written corrective-action or complaint-handling procedures are available. The supplier states that it has exported to more than 50 countries, but another slice says foreign trade has just begun, creating inconsistency in export-history evidence. No certification information or sufficient evidence of financial credibility is provided. SDK availability is explicitly absent.

Supplier typeThe supplier is explicitly described as a professional technical supplier and as a manufacturer and seller of stainless steel, carbon steel, galvanized steel, metal products, mechanical parts, and related materials. Its registered business scope also includes metal cutting processing and import/export activities, supporting classification as a technical metal-product supplier.

After-Sales capabilityThe supplier states that it provides after-sales support and timely after-sales service through its international sales team, and presents customer-oriented service as a business principle. However, it also reports no written procedures or records for handling customer complaints or corrective and preventive actions, so the formal robustness of after-sales management is not demonstrated.

R&D capabilityThe supplier is identified as having professional technical R&D capability and offers 3D software design services with multiple customization modes. However, it explicitly has no available SDK, so the evidence supports product and design development capability but not software-development integration capability.

Production capacityThe supplier states that its production factories are located in other cities with complete supporting facilities and that it specializes in producing steel coils, sheets, pipes, mechanical parts, and related products. Quality assurance, batch testing, and raw-material traceability are also stated, although one slice says finished products are checked by packing staff, indicating that the detailed final-inspection structure is not fully clear.

Customization capabilityThe supplier explicitly offers customization from samples, customization from customer designs, full customization, minor customization, and flexible customization. Its sales team also states that it supports order customization, providing direct evidence of broad customization capability.

Product Q&A

Q:What are the available customization options?

We offer customization for grade (Q235B, Q355b, A36, etc.), width (10mm-500mm), thickness (3mm-60mm), length (6m, 9m, 12m, or custom), and surface treatment (Black Bare, Hot Dipped Galvanized, etc.).

Q:What is the minimum order quantity (MOQ)?

The MOQ is 1 Ton for general customization, but the description also mentions an MOQ of 3 Tons and a company-level minimum of 27 tons depending on the specific context and agreement.

Q:What surface treatments are available?

Available surface treatments include Black Bare, Hot Dipped Galvanized, Annealed & Pickled, Bright, Polished, and HL finish.

Q:How long is the delivery time?

Standard delivery time is 7-15 working days, or it can be negotiated according to the order quantity.

Q:Do you provide free samples?

Yes, free samples are available, but the freight cost is collected by the buyer.