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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 manufacturing all kinds of spring steel.
Specification of Round Steel Spring Bar:
-Type: Spring Steel
Corresponding Steel Grade for Reference:
-Tensile Strength σb (MPa): ≥1372 (140)
-Yield Strength σs (MPa): ≥1225 (125)
-Elongation δ10(%): ≥5
-Percentage reduction of area: ψ (%): ≥30
1, Hot rolled, ≤321HB
2, Cold drawn + Heat treatment: ≤321HB
Usage/Applications of Round Steel Spring Bar:
-60Si2MnA contains little alloying elements. Its hardenability is higher than 60Si2Mn. The decarburizing tendency is small and the prime cost is low.
-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.
Packaging & Delivery of Round Steel Spring Bar:
-Packing Detail: The products can be packed in bundles by steel wires.
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)
-Invoicing on theoretical weight or actual weight as customer’s request.
-FOB, CFR or CIF.
-Regular terms of payment:
1, 30% payment in advance, the remaining balance (70% payment) against the copy of B/L. 100% payment before shipment.
2, 30% payment in advance, the remaining balance (70% L/C) against the copy of B/L. 100% payment before shipment.
Photos of Round Steel Spring Bar:
-Round Steel Spring Bar 1:
-Round Steel Spring Bar 2:
-Round Steel Spring Bar in the factory:
1. Manufacturer Overview
|Annual Output Value||Above US$ 30 Million|
|Main Markets||Asia-Pacific; Middle east|
2. Manufacturer Certificates
|a) Certification Name|
3. Manufacturer Capability
|Export Percentage||20% - 30%|
|No.of Employees in Trade Department||10-20 People|
|Language Spoken:||English; Chinese|
|Factory Size:||Above 100,000 square meters|
|No. of Production Lines||2|
|Contract Manufacturing||OEM Service Offered;|
|Product Price Range||Average|