Spring Engineering Specification Standards

AISI
American Iron and Steel Institute
www.steel.org

AMS
SAE Aerospace Materials Specifications. Standards issued by the Society of Automotive Engineers

ASME
Americal Society of Mechanical Engineers
www.asme.org

ASTM
American Society for Testing and Materials
www.astm.org

AWS
American Welding Society Numbers
www.aws.org

SAE (Carbon and Low Alloy Steels)
Standards issued by the Society of Automotive Engineers
www.sae.org

QQ
Federal Specification Numbers issued by the US Government
Copper Development Association – www.copper.org

MILS
Military Specification Numbers issued by the US Government

SAE
Society of Automotive Engineers – “J” Numbers

UNS
Unified Numbering System is a specification created by the American Society for Testing and Materials (ASTM), the Society of Automotive Engineers (SAE), and a core of metal trade associations (including the Aluminum Association (AA) and the American Iron and Steel Institute (AISI). A UNS designation provides a means of correlating many internationally used metal and alloy numbering systems administered by societies, trade associations, and those individual users and producers of metals and alloys

JIS
Standards issued by the Japanese Standards Association

DIN
Standards issued by the Deutsches Institut fur Normung

BS
Standards issued by the British Standards Institute

The Spring Making Machine above is fully-automated to produce torsion springs and can be adjusted for End Length, Diameter and Number of Turns.

Spring Industry Associations

Chicago Association of Spring Manufacturers, Inc.
CASMI

www.casmi-springworld.org

European Spring Federation
ESF

www.esf-springs.com

Institute of Spring Technology
IST

www.ist.org.uk

Spring Manufacturers Institute
SMI

www.smihq.org

UK Spring Manufacturers Association
UKSMA

www.uksma.org.uk

West Coast Spring Manufacturers Association
WCSMA

www.wcsma.us