Name: A108 Gr A/B/C Carbon Steel Bar
SKU: 0

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A108 Gr A/B/C Carbon Steel Bar

A108 Gr A/B/C carbon steel bar is a mainstream cold finished carbon steel bar for precision machining. With stable mechanical properties and good cutting performance, it is widely used for shaft parts, hardware fittings and automotive components, equivalent to 45# carbon steel. Hot rolled & cold finished round bar available for global machinery OEM buyers.

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Product Parameters

Feature	Details
ASTM A108 Standard Machining Grade	Gr A/B/C cold finished carbon steel bar, widely accepted for US standard mechanical parts
Excellent Machinability	Uniform material structure, stable cutting performance for turning, milling and threading
Good Heat Treating Response	Suitable for quenching & tempering to adjust hardness for shaft and wear parts
Multiple Surface Options	Hot rolled black bar, cold drawn bright bar available
Full Export Documentation	MTC mill test certificate, ISO9001, third-party inspection available
Main applications	Mechanical shaft parts, pins and transmission components General hardware fittings, bolts and machined connecting parts Automotive spare parts, chassis and engine auxiliary components Pump & valve parts, machine tool blanks and gear preform General precision machining and custom turned components

Item	Specification
Product Name	A108 Gr A/B/C Carbon Steel Bar
Executive Standard	ASTM A108
Grade	Gr A, Gr B, Gr C
Equivalent Grade	45# Carbon Steel
Size Range	8mm – 200mm diameter
Length	6m standard, custom cut-to-length available
Surface Treatment	Hot rolled black finish / Cold drawn bright surface
Certificates	MTC, ISO9001, SGS Third-Party Inspection
Packing	Seaworthy export bundled packing with steel strapping

A108 Gr A/B/C is carbon steel bar dedicated for machining, widely used for turning and mechanical component production. Grades differ in carbon content; Gr B is the most popular grade. Not designed for corrosion resistant service. We keep spot stock and support custom cutting for machinery OEM and auto parts bulk orders.

Send your requirements and get competitive factory pricing. If you are looking for professional carbon steel round bar suppliers from China, haiwo steel group is your great choice! Contact us today for further cooperation!

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FAQ

1.What kind of customer service do you provide?

We provide comprehensive customer service, including basic design, procurement of supporting facilities, and options for dispatching installation guides.

2.What are the customer evaluations of your company?

We are proud to consistently receive five-star reviews from our customers, which demonstrates our commitment to quality and service.

3.What is your quality inspection process like?

Our strict quality inspection process ensures that every product meets the highest standards of excellence. From raw materials to finished products, every stage is carefully inspected to ensure excellent quality.

4.Do you accept container loading inspection?

Welcome to dispatch inspectors, not only for container loading, but also at any time during production.

5.What is the delivery time?

The delivery time depends on the quantity of orders. Usually, the delivery time to the nearest port in China is 15-30 days after receiving the deposit.

6. How to obtain a project quotation?

You can contact us 24 * 7 via email, phone, WhatsApp, WeChat, etc. You will receive a reply within 4 hours.