All Topics  
Spring steel

 

 
   Email Print
   Bookmark   Link
 

 

Spring steel
 
 
  Topics Spring steel Topic Home

Spring steel is a low alloy, medium carbon steel with a very high yield strength. This allows objects made of spring steel to return to their original shape despite significant bending or twisting.

Silicon
Silicon

Silicon is the most common metalloid. It is a chemical element, which has the symbol Si and atomic number 14. The atomic mass is 28.0855....
 is the key component to most spring steel alloys. An example of a spring steel used for cars would be AISI
AISI

The acronym AISI can stand for:* African Information Society Initiative of UNECA* Alberta Initiative for School Improvement http://education.alberta.ca/admin/aisi.aspx...
 9255 (DIN
Din

DIN or Din or din can have several meanings:-* A din is a loud noise.* Deen , an Arabic language term meaning "religion" or "way of life"....
 and UNI: 55Si7, AFNOR
AFNOR

Association fran?aise de Normalisation is the French national organization for standardization and is that country's ISO member body....
 55S7), containing 1.50%-1.80% silicon
Silicon

Silicon is the most common metalloid. It is a chemical element, which has the symbol Si and atomic number 14. The atomic mass is 28.0855....
, 0.70%-1.00% manganese
Manganese

Manganese is a chemical element, designated by the symbol Mn. It has the atomic number 25. It is found as a Oxidation state in nature , and in many minerals....
 and 0.52%-0.60% carbon
Carbon

Carbon is a chemical element with chemical symbol C and atomic number 6. As a member of group 14 on the periodic table, it is nonmetallic and tetravalence?making four electrons available to form covalent bond chemical bonds....
.

Most spring steels (as used in cars) are hardened
Heat treatment

Heat treatment is a method used to alter the physical property, and sometimes chemical property, properties of a material. The most common application is metallurgy....
 and tempered
Tempering

Tempering is a heat treatment technique for metals, alloys and Toughened glass. In steels, tempering is done to "toughen" the metal by transforming brittle martensite into bainite or a combination of ferrite and cementite....
 to about 45 Rockwell C
Rockwell scale

The Rockwell scale is a hardness scale based on the indentation hardness of a material. The Rockwell test determines the hardness by measuring the depth of penetration of an indenter under a large load compared to the penetration made by a preload....
.

According to Machinery's Handbook
Machinery's Handbook

Machinery's Handbook for machine shop and drafting-room; a reference book on machine design and shop practice for the mechanical engineer, draftsman, toolmaker, and machinist is a classic reference work in mechanical engineering and practical workshop Mechanic in one volume published by Industrial Press, Inc., New York, since 1914...
, the most widely used spring steel is ASTM A228 (0.80–0.95% carbon), which is also known as music wire.






Discussion
Ask a question about 'Spring steel'
Start a new discussion about 'Spring steel'
Answer questions from other users
Full Discussion Forum



Recent Posts

What steel is similar to 9255?








Encyclopedia


Spring steel is a low alloy, medium carbon steel with a very high yield strength. This allows objects made of spring steel to return to their original shape despite significant bending or twisting.

Silicon
Silicon

Silicon is the most common metalloid. It is a chemical element, which has the symbol Si and atomic number 14. The atomic mass is 28.0855....
 is the key component to most spring steel alloys. An example of a spring steel used for cars would be AISI
AISI

The acronym AISI can stand for:* African Information Society Initiative of UNECA* Alberta Initiative for School Improvement http://education.alberta.ca/admin/aisi.aspx...
 9255 (DIN
Din

DIN or Din or din can have several meanings:-* A din is a loud noise.* Deen , an Arabic language term meaning "religion" or "way of life"....
 and UNI: 55Si7, AFNOR
AFNOR

Association fran?aise de Normalisation is the French national organization for standardization and is that country's ISO member body....
 55S7), containing 1.50%-1.80% silicon
Silicon

Silicon is the most common metalloid. It is a chemical element, which has the symbol Si and atomic number 14. The atomic mass is 28.0855....
, 0.70%-1.00% manganese
Manganese

Manganese is a chemical element, designated by the symbol Mn. It has the atomic number 25. It is found as a Oxidation state in nature , and in many minerals....
 and 0.52%-0.60% carbon
Carbon

Carbon is a chemical element with chemical symbol C and atomic number 6. As a member of group 14 on the periodic table, it is nonmetallic and tetravalence?making four electrons available to form covalent bond chemical bonds....
.

Most spring steels (as used in cars) are hardened
Heat treatment

Heat treatment is a method used to alter the physical property, and sometimes chemical property, properties of a material. The most common application is metallurgy....
 and tempered
Tempering

Tempering is a heat treatment technique for metals, alloys and Toughened glass. In steels, tempering is done to "toughen" the metal by transforming brittle martensite into bainite or a combination of ferrite and cementite....
 to about 45 Rockwell C
Rockwell scale

The Rockwell scale is a hardness scale based on the indentation hardness of a material. The Rockwell test determines the hardness by measuring the depth of penetration of an indenter under a large load compared to the penetration made by a preload....
.

According to Machinery's Handbook
Machinery's Handbook

Machinery's Handbook for machine shop and drafting-room; a reference book on machine design and shop practice for the mechanical engineer, draftsman, toolmaker, and machinist is a classic reference work in mechanical engineering and practical workshop Mechanic in one volume published by Industrial Press, Inc., New York, since 1914...
, the most widely used spring steel is ASTM A228 (0.80–0.95% carbon), which is also known as music wire. Spring steel is one of the most popular materials used in the fabrication of lockpicks
Lockpick

Lockpick may refer to:* A tool used in lock picking** Slim Jim ** Torsion wrench** Tubular lock pick** Paper clip* Lockpick Pornography, a 2005 novella by Joey Comeau...
 due to its pliability and resilience.

See also

  • Martensite
    Martensite

    Martensite, named after the German :category:metallurgists Adolf Martens , most commonly refers to a very hard form of steel crystalline structure, but it is also any crystal structure that is formed by displacive transformation....