Spring Steel Bar

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
50Tons m.t.
Supply Capability:
50000TONS /YEAR m.t./month

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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

 

Corresponding Steel Grade for Reference:

JPN, JIS

CHN, GB

GER, DIN

GBR, BS

SUP6

55Si2Mn

55Si7

251ll60

FRA, NF

USA, AISI/SAE

ISO

56SC7

9260

56SiCr7

 

Chemical Composition:

C

Mn

Si

S

0.56~0.64

0.60~0.90

1.50~2.00

≤0.035

P

Cr

Ni

Cu

≤0.035

≤0.35

≤0.35

≤0.25

 

Mechanical Properties:

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

-Yield Strength σs (MPa): ≥1176 (120)

-Elongation δ10(%): ≥5

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

-Hardness:

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)

 

Transportation:

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.

 

Photos of Spring Steel Bar:

Spring Steel Bar

Spring Steel Bar

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ORIGIN,a well-known enterprise specializing in the production and sales of Spring steel and aluminum powder.

1. Manufacturer Overview

Location Jiangsu, China
Year Established 2003
Annual Output Value Above US$ 30 Million
Main Markets Asia-Pacific; Middle east
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Shanghai.
Export Percentage 20% - 30%
No.of Employees in Trade Department 10-20 People
Language Spoken: English; Chinese
b)Factory Information  
Factory Size: Above 100,000 square meters
No. of Production Lines 2
Contract Manufacturing OEM Service Offered;
Product Price Range Average