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ASTM A229 Oil Hardened Wire Quenched and Tempered Steel Wire

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ASTM A229 Oil Hardened Wire Quenched and Tempered Steel Wire

ASTM A229 Oil Hardened Wire Quenched and Tempered Steel Wire
ASTM A229 Oil Hardened Wire Quenched and Tempered Steel Wire ASTM A229 Oil Hardened Wire Quenched and Tempered Steel Wire

Large Image :  ASTM A229 Oil Hardened Wire Quenched and Tempered Steel Wire

Product Details:
Place of Origin: China
Brand Name: Fushun
Certification: ISO9001:2008
Model Number: ASTM A229 Steel Wire
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: nylon/pallet/case
Delivery Time: 15-30 days
Payment Terms: L/C, T/T, Western Union
Supply Ability: 40,000tons/year

ASTM A229 Oil Hardened Wire Quenched and Tempered Steel Wire

Description
Grade: ASTM A229 Feature: Hardened
Form: Wires Surface Condition: Uncoated, Polished Finish, Nickel Coated Etc
Standard: ASTM A229
High Light:

ASTM Oil Tempered Spring Steel Wire

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Quenched Oil Tempered Spring Steel Wire

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A229 Steel

ASTM A229 Quenched and Tempered Steel Wire for Mechanical Springs

 

oil hardened and tempered spring steel wire that is heat treated in line in the following way: it is first transformed into austenite, quenched in oil or similar quenching medium, followed immediately by tempering by heating to the appropriate temperature.

 

Supplying Size:
Diameter:5-35mm

 

Our Advantage
1. Stable linearity, good formability. Uniform and beautiful surface condition.
2. High plasticity and good fatigue resistance. And we provide Self-Inspection Reports and Raw-Material Test Certificates.
3. Professional anti-rust protective packaging. On time delivery, competitive price.
4. Large stock available, no MOQ requirement.

A229 Oil hardened spring steel wire Dimensional tolerances

Wire in coils

The tolerances level for the wire diameter is based on EN 10218-2:1996 level:

-T5 for wire diameter up to and including 0,80 mm;

-T4 for 0,80 mm up to 10,00 mm;

-T3 above 10,00 mm.

Wire in cut lengths

The requirements for length tolerances and straightness are as in EN 10218-2:1996. The tolerance on the nominal length shall only be in plus keeping the same tolerance range

 

A229 Oil hardened spring steel wire Chemical composition

C Si Mn P S
0.55 - 0.85 0.15-0.35 0.30 - 1.20 max 0.025 max 0.025

 

A229 Non metallic inclusions

The VD grades shall be checked for maximum size of inclusion according to ENV 10247. The allowable level of inclusions shall be agreed between the parties at the enquiry and order.

 

A229 Form of delivery

Oil hardened and tempered wire shall be supplied in coils, on spools or in cut lengths. The wire in coils or on spools shall form one continuous length. Wire in coil may also be supplied on carriers containing one or more coils.

 

For VD and TD grades no welds are permitted after the heat treatments preceding the final drawing operation; for 'FD' grades no welds shall be made at finished size unless agreed otherwise between the parties.

 

The supplied wire units shall be tightly bound to ensure that wire spiral waps do not spring out unforeseen. The starting end shall be marked and at the coil ends the wire shall be covered with a protective cap.

 

A229 Surface decarburization

The wire grades according to this standard shall be free from total decarburization. The maximum depths of the partially decarburized zone shall be checked at the end of the coils.

 

A229 Testing and inspection

Coiling test

Torsion test

heat analysis;

result of the tensile test

result of the torsion test

actual wire diameter

Tensile test

 

 

oil hardened and tempered spring steel wire made from unalloyed or alloyed steels. They are primarily subject to torsional stresses such as in compression and extension springs and in special cases also for applications where the spring wire is subject to bending stresses such as lever springs. As a rule unalloyed steels are used for applications at room temperature whereas alloyed steels are generally used at a temperature above room temperature. Alloyed steels may also be chosen for above average tensile strengths.

 

ASTM A229 spring steel is a carbon (non-alloy) steel formulated for primary forming into wrought products. It can have a very high tensile strength and has a moderately low ductility among wrought carbon or non-alloy steels.

 

Oil tempered wire is widely used for springs that require extremely high resistance to fatigue, heat, and permanent set in fatigue, including the valve springs of the engine, clutch springs, and suspension springs that are considered important security parts of automobiles. Our group's high-quality oil tempered wire has a large share in both domestic and overseas markets. Oil tempered wire is created through the process of oil tempering. Oil tempering is a process in which the wire is heated to extreme heats. The wire is then cooled with oil. This process strengthens the wire without making it brittle. Because oil tempered wire is strong yet flexible, it is used for springs. Oil tempered springs are often found in the automotive industry.

 

The properties of ASTM A229 spring steel include two common variations. This page shows summary ranges across both of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare ASTM A229 spring steel to: wrought carbon or non-alloy steels (top), all iron alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

 

A229 Oil hardened and tempered spring steel wire Classification

The grade for normal applications made from unalloyed or alloyed steel has the abbreviation FD and is intended for static applications.

Spring steel wire for medium fatigue levels, such as required for some clutch springs from unailoyed or alloyed steel, has the abbreviation TD.

Spring steel wire from unalloyed steel or alloyed steel intended for use under severe dynamic duty such as for valve springs or other springs with similar requirements has the abbreviation VD.

Medium and high fatigue grades TD and VD are characterized by high steel cleanliness, specific chemical, mechanical and technological parameters and a well defined surface condition in relation to the allowable depth of surface defects and decarburization.

The static grade FD is characterized by its chemical, mechanical and technological characteristics as well as by a specified surface condition concerning surface defects and decarburization.

 

A229 Information to be supplied by the purchaser

The purchaser shall clearly state in his enquiry or order the product and following information :

a) the desired quantity;

b) the number of this European Standard: EN 10270-2;

c) wire grade

d) the nominal wire diameter;

e) the form of delivery and unit mass;

f) the type of inspection document;

g) any particular agreement made.

ASTM A229 Oil Hardened Wire Quenched and Tempered Steel Wire 0

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