What is the difference between hot rolled and cold drawn round bar?

Hot rolled is low cost black surface for general structure; cold drawn has high dimensional tolerance & bright surface for precision machining.

How do you pack steel round bars for sea shipment?

Bundled with steel straps, wrapped waterproof film, end caps to avoid rust, scratch and bending.

What's the diameter range you can produce?

Available diameter from 6mm up to 300mm, various sizes in warehouse ready for shipment.

Are you factory direct supplier?

We cooperate with large steel mills directly, competitive factory price and stable long-term supply capacity.

Cold Drawn Bright Carbon Steel Round Bar 45# C45 Precision Machining Solid Steel Round Rod

Name: Cold Drawn Bright Carbon Steel Round Bar 45# C45 Precision Machining Solid Steel Round Rod
Brand: Baixinxin Metal Materials (Jinan) Co., Ltd.
SKU: 2172013412

Shandong, ChinaBaixinxin Metal Materials (Jinan) Co., Ltd.

US$800.00

2-49 Pieces

US$758.00

50-99 Pieces

US$702.00

100+ Pieces

Sample price:US$35.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Cutting & Straightening Service, Quality Defect Af

Warranty

5 Years

Model NO.

20# 35# 45# C45 Diameter: 6mm - 80mm, tight toler

Type

Carbon Steel Bar

Standard

AISI, ASTM, GB, JIS, DIN, BS

Technique

Hot Rolling / Cold Drawing

Application

Structural Steel Bar, Machinery Shaft, Fastener, Mold Processing, Const

Surface Treatment

Hot Rolled Black Surface / Cold Drawn Bright Smoo

Special Use

Free Cutting Steel, Cutting Tools

Transport Package

Standard Deliver Package

Trademark

Baixinxin Metal Materials (Jinan) Co., Ltd

Origin

Shandong Province, China

HS Code

7215500000

Production Capacity

50000

Key features

Complete MTC material test certificate and third-party inspection report can be provided for each batch of round bars.

Two production types available: hot rolled black surface & cold drawn bright surface, meet different machining requirements.

Wide diameter range from 6mm to 300mm, conventional lengths 3m/6m/9m/12m with abundant spot inventory.

Support custom cutting, straightening and deburring processing to meet your exact dimensional demand.

Strict inspection on chemical composition, tensile strength and straightness to guarantee stable product quality.

Excellent weldability, ductility and machinability, easy for turning, milling and subsequent mechanical processing.

Comply with international standards GB, ASTM, JIS, DIN, including Q235B, Q355B, 45#, C45, A36, SS400 grades.

Professional anti-rust packaging with steel strapping, waterproof film and end caps to prevent bending & corrosion during ocean transport.

Fast delivery cycle: in-stock goods ship within 7 to 15 working days, customized order lead time 15 to 25 days.

Factory direct supply with competitive ex-factory price, stable large-volume supply capacity for long-term cooperation.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceMulti-language PioneerExperienced Team

Baixinxin Metal Materials (Jinan) Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤5.00h

AI-Powered supplier vetting

SummaryBaixinxin Metal Materials (Jinan) Co., Ltd. is a China-based manufacturer/factory in Shandong with stated production capacity of 10,000 tons each for steel structures, steel products, and steel sections. It supports multiple customization modes, OEM services for well-known brands, and exports, with 90% of total sales reportedly coming from exports. The supplier lists CE certification and ISO9001:2015, ISO45001:2018, ISO14001, and ISO50001 management certifications. It states capabilities for installation, training, repair, maintenance, and debugging, supported by overseas warehouses, showrooms, and agents or branches. Financial records are identified for 2023–2025, but no financial performance values are provided. Evidence of R&D capability exists through stated SDK availability, while customer-specific cases are not disclosed.

Supplier typeThe supplier is explicitly identified as a manufacturer/factory and limited company located in Jinan, Shandong, China. Its stated business scope covers mechanical components, building materials, forgings, powder metallurgy products, mechanical and electrical equipment, hardware, plastics, rubber products, and import/export activities.

CertificationsThe supplier lists CE product compliance certification and ISO9001:2015, ISO45001:2018, ISO14001, and ISO50001 management or sustainability-related certifications. These stated certifications provide explicit evidence of compliance and management-system credentials, although the slices do not provide certificate validity dates or scopes.

After-Sales capabilityThe supplier states that it can provide equipment installation, training, repair, maintenance, and debugging according to customer requirements. It also reports overseas warehouse, showroom, and agent or branch capabilities, indicating broad stated support infrastructure for overseas customers.

R&D capabilityThe supplier explicitly reports R&D capability with an available SDK, which supports a conclusion that some software or technical-development capability exists. The slices do not provide details on patents, R&D investment, dedicated facilities, product launches, or development outcomes.

Production capacityThe supplier is identified as a factory and reports annual productivity of 10,000 tons each for steel structures, steel products, and steel sections. These stated capacity figures provide direct evidence of substantial production capability in the listed steel categories.

Customization capabilityThe supplier states that it supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its stated OEM service for well-known brands further supports the ability to produce according to customer or brand specifications.