What is the minimum order quantity?

The MOQ is typically 3 tons, though specific requirements may vary based on negotiation.

What is the delivery time?

Standard delivery time is 7-15 working days, or it can be negotiated based on order quantity.

Are samples available?

Free samples are available, but freight charges are collected from the customer.

High-Strength ASTM Q355b Carbon Steel Flat Bar 20mm

Name: High-Strength ASTM Q355b Carbon Steel Flat Bar 20mm
Brand: Shandong Kanghong Manufacturing Co., Limited
SKU: 2151754382

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

Multiple Steel Grades: Available in Q235B, Q355b, A36, S235jr, SAE1020, 1045, SS400, Q234, Q345.

Wide Size Range: Flat bars from 20x2mm to 200x20mm; thickness 3mm-60mm; width 10mm-500mm.

Customized Length: Lengths available in 6m, 9m, 12m, or fully customized to customer requirements.

Diverse Surface Treatment: Options include Black Bare, Hot Dipped Galvanized, Bright, Polished, HL, Annealed & Pickled.

Comprehensive Processing: Services include Cutting, Punching, Bending, and Welding to meet specific needs.

Flexible Customization: Full customization, minor customization, and flexible options from samples or designs.

Multiple Certifications: Certified under ISO, RoHS, ABS, AISI, JIS, ASTM, DIN, BS, GB, and ASME standards.

High Supply Capacity: Monthly supply ability of 10,000 tons with OEM and ODM services available.

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: ≤4.48h

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.