GB/T 1973.3-2025 Small cylindrical helical springs—Part 3：Dimension and parameters—Compression springs English, Anglais, Englisch, Inglés, えいご
This is a draft translation for reference among interesting stakeholders. The finalized translation (passing thorugh draft translation, self-check, revision and varification) will be delivered upon being ordered.
ICS 21.160
CCS J26
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 1973.3-2025
Replaces GB/T 1973.3-2005
Small Cylindrical Helical Springs—Part 3: Dimensions and Parameters—Compression Springs
Issued on 2025-08-29
Implemented on 2026-03-01
Issued by
State Administration for Market Regulation
Standardization Administration of China
CONTENTS
1 Scope
2 Normative References
3 Terms and Definitions
4 Symbols, Units and Parameter Nomenclature
5 Spring Working Drawings and End Types
6 Materials
7 Mandrel Diameter
8 Manufacturing Tolerances
9 Direction of Coiling
10 Surface Treatment
11 Marking
12 Other Technical Requirements for Springs
13 Basic Dimensions and Parameters
1 Scope
This document specifies the marking, dimensions and parameters of small cylindrical helical compression springs.
This document applies to cold-formed cylindrical helical compression springs with round cross-section wire diameters ranging from 0.16 mm to 0.48 mm for general purposes (closed-and-ground ends type and closed-but-not-ground ends type).
2 Normative References
The following documents contain provisions which, through reference in this text, constitute essential provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 1805 Terminology for springs
GB/T 1973.1—2021 Small cylindrical helical springs—Part 1: Technical specifications
GB/T 4357 Cold-drawn carbon spring steel wires
GB/T 4459.4 Mechanical drawings—Representation of springs
GB/T 13911 Marking system for metallic coatings and chemical treatments
GB/T 24588 Stainless spring steel wires
3 Terms and Definitions
The terms and definitions defined in GB/T 1805 apply to this document.
4 Symbols, Units and Parameter Nomenclature
The symbols, units and parameter names given in Table 1 apply to this document.
Table 1 Symbols, Units and Parameter Nomenclature
5 Spring Working Drawings and End Types
5.1 Cold-formed cylindrical helical compression springs (closed-and-ground ends type and closed-but-not-ground ends type, hereinafter referred to as "springs") shall be drawn according to GB/T 4459.4.
5.2 Spring end types are classified as Type I (closed-and-ground ends, see Figure 1) and Type II (closed-but-not-ground ends, see Figure 2).
Figure 1 Type I (Closed-and-ground ends)
Figure 2 Type II (Closed-but-not-ground ends)
Standard
GB/T 1973.3-2025 Small cylindrical helical springs—Part 3：Dimension and parameters—Compression springs (English Version)
Standard No.
GB/T 1973.3-2025
Status
to be valid
Language
English
File Format
PDF
Word Count
12500 words
Price(USD)
375.0
Implemented on
2026-3-1
Delivery
via email in 1~5 business day
Detail of GB/T 1973.3-2025
Standard No.
GB/T 1973.3-2025
English Name
Small cylindrical helical springs—Part 3：Dimension and parameters—Compression springs
GB/T 1973.3-2025 Small cylindrical helical springs—Part 3：Dimension and parameters—Compression springs English, Anglais, Englisch, Inglés, えいご
This is a draft translation for reference among interesting stakeholders. The finalized translation (passing thorugh draft translation, self-check, revision and varification) will be delivered upon being ordered.
ICS 21.160
CCS J26
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 1973.3-2025
Replaces GB/T 1973.3-2005
Small Cylindrical Helical Springs—Part 3: Dimensions and Parameters—Compression Springs
Issued on 2025-08-29
Implemented on 2026-03-01
Issued by
State Administration for Market Regulation
Standardization Administration of China
CONTENTS
1 Scope
2 Normative References
3 Terms and Definitions
4 Symbols, Units and Parameter Nomenclature
5 Spring Working Drawings and End Types
6 Materials
7 Mandrel Diameter
8 Manufacturing Tolerances
9 Direction of Coiling
10 Surface Treatment
11 Marking
12 Other Technical Requirements for Springs
13 Basic Dimensions and Parameters
1 Scope
This document specifies the marking, dimensions and parameters of small cylindrical helical compression springs.
This document applies to cold-formed cylindrical helical compression springs with round cross-section wire diameters ranging from 0.16 mm to 0.48 mm for general purposes (closed-and-ground ends type and closed-but-not-ground ends type).
2 Normative References
The following documents contain provisions which, through reference in this text, constitute essential provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 1805 Terminology for springs
GB/T 1973.1—2021 Small cylindrical helical springs—Part 1: Technical specifications
GB/T 4357 Cold-drawn carbon spring steel wires
GB/T 4459.4 Mechanical drawings—Representation of springs
GB/T 13911 Marking system for metallic coatings and chemical treatments
GB/T 24588 Stainless spring steel wires
3 Terms and Definitions
The terms and definitions defined in GB/T 1805 apply to this document.
4 Symbols, Units and Parameter Nomenclature
The symbols, units and parameter names given in Table 1 apply to this document.
Table 1 Symbols, Units and Parameter Nomenclature
5 Spring Working Drawings and End Types
5.1 Cold-formed cylindrical helical compression springs (closed-and-ground ends type and closed-but-not-ground ends type, hereinafter referred to as "springs") shall be drawn according to GB/T 4459.4.
5.2 Spring end types are classified as Type I (closed-and-ground ends, see Figure 1) and Type II (closed-but-not-ground ends, see Figure 2).
Figure 1 Type I (Closed-and-ground ends)
Figure 2 Type II (Closed-but-not-ground ends)
