JIS G3101 SS400 Spring Steel Bar with high quality

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Min Order Qty:
25 m.t
Supply Capability:
10000 m.t/month

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Item specifice:

Standard: ASTM,AISI Technique: Hot Rolled Shape: Square,Round
Surface Treatment: Galvanized Steel Grade: HRB400 Certification: ISO,SGS,BV
Thickness: 6 Length: 12 Net Weight: 3

Product Description:

Product Description:

OKorder is offering Spring Steel Bar with high quality at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.


Product Applications:

Spring Steel Bar with high quality are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.


Product Advantages:

OKorder's Spring Steel Bar with high quality are durable, strong, and resist corrosion.


Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Corrosion resistance

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing


Product Description:

Spring Steel can be divided into two types. One is carbon spring steel, and other one is alloy spring steel.

Alloy spring steel is based on carbon spring steel, by adding one or more alloying elements to improve the mechanical properties, hardenability and other properties to meet the requirement for manufacture all kinds of spring steel.

Specification of Spring Steel Bar:

-Material: SUP6

-Standard: JIS

-Production: Hot rolled or cold rolled

-Type: Spring Steel

-Alloy or no: Alloy

-Micro Structure: Tempered troostite

Mechanical Properties:

-Tensile Strength σb (MPa): ≥1274 (130)

-Yield Strength σs (MPa): ≥1176 (120)

-Elongation δ10(%): ≥5

-Percentage reduction of area: ψ (%): ≥25


1, Hot rolled, ≤321HB

2, Cold drawn + Heat treatment: ≤321HB

Usage/Applications of Spring Steel Bar:

-This is silicon-manganese spring steel that is used widely. Its strength, elasticity and hardenability are little higher than 55Si2Mn.

- Products of this material are used as flat spring o spiral spring with diameter less than 30mm that bear a large load during the fabrication of trains, cars and tractors.

-The principal material of valve spring.

Packaging & Delivery of Spring Steel Bar:

-Packing Detail: The products can be packed in bundles by steel wires.

-Marks: We will make color marks to make sure that it’s more convenient for customers to distinguish their products from other products at the destination port and we will tie tag marks up to each bundle to make sure that customers know the specifications of each bundle like product’s name and size and other information of products.

-Delivery Detail:

1, Delivery time: 30~45 working days after receive buyer’s T.T. or L/C.

2, Delivery status should be written in the contract. (Heat treatment or no)


1, The products can be delivered by bulk vessel or by container. As for container, products with the length of 6m will be loaded in 20’ container, with 9m or 12m, in 40’ container.

2, The maximum quantity of loading of container is 25 tons.

3, The products are usually transported to the nearest port from the production place.


Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: The products are invoicing on theoritical weight or on actual weight? 

A3: We can do it in both manners, according to the customers' request.


Spring Steel   Bar with high quality

Spring Steel   Bar with high quality



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