Yes, there are several standards and specifications that define the requirements for spring steel. These standards help ensure consistent quality, performance, and interchangeability of spring steel materials. Some commonly used standards for spring steel include:

1. ASTM A228/A228M: This standard specifies the requirements for high-strength, oil-tempered carbon steel wire used for the production of mechanical springs.
2. ASTM A29/A29M: This standard covers the general requirements for carbon and alloy steel bars, including those used for the production of springs.
3. ISO 6930-2: This international standard provides the technical delivery requirements for hot-rolled steel bars for the manufacture of leaf springs.
4. JIS G4801: The Japanese Industrial Standards (JIS) G4801 standard specifies the requirements for carbon steel and alloy steel used for the manufacture of mechanical springs.
5. SAE J404: The Society of Automotive Engineers (SAE) J404 standard covers the chemical composition and mechanical properties of standard carbon and alloy steels used in the manufacture of springs.

These standards define aspects such as chemical composition, mechanical properties, heat treatment, dimensional tolerances, and testing methods for spring steel materials. They ensure that spring steel meets specific quality and performance requirements, allowing manufacturers and users to have confidence in the materials used for springs.

It's important to consult the appropriate standard or specification that aligns with the specific spring application and requirements to ensure the proper selection and use of spring steel.