What surface finishes are available?

Surface options include Bright, Pickled, Black, or customized finishes as per requirements.

What are the payment terms?

We accept LC, T/T, PayPal, Western Union, Small-amount payment, and Credit Insurance.

Black Cold Drawn Mild Steel Carbon Flat Bar

Name: Black Cold Drawn Mild Steel Carbon Flat Bar
Brand: Shanghai Changzeng Metal Co., Ltd.
SKU: 2188072855

Shanghai, ChinaShanghai Changzeng Metal Co., Ltd.

US$459.00-520.00

1 Ton

Sample price:US$458.00/ton.Request sample

Product profile

Customization

Available

Technique

Hot Rolled

Standard

AISI, JIS, ASTM, BS, GB

Certification

IS0, RoHS, ABS

Additional Service

Cutting, Drilling

After-Sale Service

Solve Any Problems for Clients

Company Years

12 Years

Forwarder's Experience

6 Years

Shipping Service

Cheaper and Realiable

Delivery Time

7 Days

Quality Control

as Request

Shape

Flat

Transport Package

Seaworthing Packing

Specification

3-60mm

Trademark

Origin

Shanghai

Production Capacity

5000 Tons/ Month, 15000 Tons/ Season

Key features

Wide Material Range: Available in Carbon Steel, Alloy Steel, and various grades like A36, SS400, S235JR, and 40CrNiMoA.

Flexible Dimensions: Width 12-200mm, Thickness 3-30mm, Length 3-12m or customized as per client request.

Multiple Surface Finishes: Options include Bright, Pickled, Black, or customized surface treatments.

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

Fast Delivery: Delivery within 3-15 working days after receiving deposit or L/C.

Comprehensive Certifications: Certified under ISO, RoHS, ABS, and standards like AISI, JIS, ASTM, BS, GB.

Superior Quality Control: 100% inspection including visual and function checks with full traceability.

Versatile Applications: Used in construction, machinery, shipbuilding, bridges, home appliances, and auto parts.

Company profile

Years of Export ExperienceHigh Repeat Buyers ChoiceIn-stock CapacityQuality Assurance

Shanghai Changzeng Metal Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2016-01-13Nearest Port: Shanghai Port, Tianjin Port, Qingdao PortAverage Response Time: ≤3.69hTerms of Payment: LC, T/T, PayPal, etc.

AI-Powered supplier vetting

SummaryThe supplier is a Shanghai-based trading company that also identifies as a manufacturer/factory, with 19 years of export experience and 90% of sales from exports. It offers broad customization from samples, designs, and full-custom requirements, and reports standardized finished-product inspection instructions and quality assurance. However, the available information shows no new products in the past year, no ODM, SDK, overseas agents, overseas warehouse, showroom, or offline trade-show participation. Corrective/preventive action and complaint-handling procedures are undocumented, while supplier-service assessment procedures and approved supplier records are absent. Financial operating figures provided are zero, but their interpretation is not independently verifiable from the slices. Customer cases and certifications are not provided.

Supplier typeThe supplier is described as a trading company in Shanghai and is also identified as a Trading Company, Manufacturer/Factory. This indicates a mixed trading and manufacturing business classification, but the slices do not establish the scale or scope of its own production facilities.

After-Sales capabilityThe supplier reports in-stock service capacity and lead times within 15 working days in both peak and off-seasons. However, it has no overseas warehouse, overseas showroom, overseas agents or branches, and no written procedures or records for complaint handling or corrective and preventive actions, limiting evidence of a structured after-sales system.

Financial creditThe provided financial fields report zero operating revenue, profit, margins, current ratios, and cash outflows for the stated periods, while the supplier is listed as a limited company with registered capital information. These reported operating indicators provide explicit evidence of weak financial performance, although the slices do not explain the data quality or accounting context.

R&D capabilityThe supplier reports no new products in the past year, no ODM service, and no available SDK. These statements directly indicate limited demonstrated recent product-development and technical innovation capability.

Production capacityThe supplier is classified as both a trading company and manufacturer/factory, has in-stock capacity, and reports standardized instructions for finished-product inspection and quality assurance. Nevertheless, outsourcing procedures and manufacturing-capacity contract status are unknown, and only one quality assurance/quality control inspector is reported, so production depth cannot be fully confirmed.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization in both design-service and R&D-related descriptions. This is direct evidence of broad customization coverage, although it does not quantify engineering resources or production limits.