High-carbon chromium bearing steel wires
1 Scope
This standard specifies the classifications and designations, order contents, dimension, shape, weight and permissible tolerance, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of high-carbon chromium bearing steel wires.
This standard is applicable to the manufacture of high-carbon chromium bearing steel wires (hereinafter referred to as steel wires) for bearing rolling elements and rings.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 223.5 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method
GB/T 223.9 Iron, steel and alloy—Determination of aluminium content—Chrome azurol S photometric method
GB/T 223.11 Iron steel and alloy—Determination of chromium content—Visual titration or potentiometric titration method
GB/T 223.23 Iron, steel and alloy - Determination of nickel content - The dimethylglyoxime spectrophotometric method
GB/T 223.26 Iron, steel and alloy - Determination of molybdenum content - The thiocyanate spectrophotometric method
GB/T 223.29 Iron, steel and alloy - Determination of lead content - Carrier precipitation - Xylenol orange spectrophotometric method
GB/T 223.31 Iron, steel and alloy - Determination of arsenic content - Distillation - Molybdenum blue spectrophotometric method
GB/T 223.47 Methods for chemical analysis of iron, steel and alloy - The carrier precipitation - Molybdenum blue potometric method for the determination of antimony content
GB/T 223.50 Methods for chemical analysis of iron, steel and alloy - The phenylfluorone-CTMAB direct photometric method for the determination of tin content
GB/T 223.53 Methods for chemical analysis of iron,steel and alloy - The flame atomic absorption spectrophotometric method for the determination of copper content
GB/T 223.62 Methods for chemical analysis of iron, steel and alloy - The butyl acetate extraction photometric method for the determination of phosphorus content
GB/T 223.63 Methods for chemical analysis of iron, steel and alloy - The sodium (potassium) periodate photometric method for the determination of manganese content
GB/T 223.77 Methods for chemical analysis of iron, steel and alloy - The flame atomic absorption spectrometric method for the determination of calcium content
GB/T 223.85 Steel and iron - Determination of sulfur content - Infrared absorption method after combustion in an induction furnace
GB/T 223.86 Steel and iron—Determination of total carbon content—Infrared absorption method after combustion in an induction furnace
GB/T 224 Determination of the depth of decarburization of steels
GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature
GB/T 231.1 Metallic materials - Brinell hardness test - Part 1: Test method
GB/T 2103 General provisions for checking, packing, marking and quality certification of steel wire
GB/T 4336 Carbon and low-alloy steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (routine method)
GB/T 11261 Steel and iron - Determination of oxygen content - The pulse heating inert gas fusion-infra-red absorption method
GB/T 18254-2016 High-carbon chromium bearing steel
GB/T 20066 Steel and iron - Sampling and preparation of samples for the determination of chemical composition
GB/T 20123 Steel and iron—Determination of total carbon and sulfur content - Infrared absorption method after combustion in an induction furnace (routine method)
GB/T 20125 Low-alloy steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric method
3 Classification and designation
3.1 Steel is classified into the following by metallurgical quality:
a) High quality steel;
b) High quality steel (with "A" after the designation);
c) Super high quality steel (with "E" after the designation).
3.2 Steel is classified into the following by casting process:
a) Die cast steel;
b) Continuous casting steel.
3.3 Steel is classified into the following by the end use of product:
a) G for rolling elements;
b) T for rings
3.4 The classification and code of steel wire by delivery status are shown in Table 1. Requirements for other delivery conditions shall be indicated in the contract.
Foreword i
1 Scope
2 Normative references
3 Classification and designation
4 Order information
5 Dimension, shape, weight and permissible deviation
6 Technical requirements
7 Test methods
8 Inspection rules
9 Packaging, marking and quality certificate
High-carbon chromium bearing steel wires
1 Scope
This standard specifies the classifications and designations, order contents, dimension, shape, weight and permissible tolerance, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of high-carbon chromium bearing steel wires.
This standard is applicable to the manufacture of high-carbon chromium bearing steel wires (hereinafter referred to as steel wires) for bearing rolling elements and rings.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 223.5 Steel and iron - Determination of acid-soluble silicon and total silicon content - Reduced molybdosilicate spectrophotometric method
GB/T 223.9 Iron, steel and alloy—Determination of aluminium content—Chrome azurol S photometric method
GB/T 223.11 Iron steel and alloy—Determination of chromium content—Visual titration or potentiometric titration method
GB/T 223.23 Iron, steel and alloy - Determination of nickel content - The dimethylglyoxime spectrophotometric method
GB/T 223.26 Iron, steel and alloy - Determination of molybdenum content - The thiocyanate spectrophotometric method
GB/T 223.29 Iron, steel and alloy - Determination of lead content - Carrier precipitation - Xylenol orange spectrophotometric method
GB/T 223.31 Iron, steel and alloy - Determination of arsenic content - Distillation - Molybdenum blue spectrophotometric method
GB/T 223.47 Methods for chemical analysis of iron, steel and alloy - The carrier precipitation - Molybdenum blue potometric method for the determination of antimony content
GB/T 223.50 Methods for chemical analysis of iron, steel and alloy - The phenylfluorone-CTMAB direct photometric method for the determination of tin content
GB/T 223.53 Methods for chemical analysis of iron,steel and alloy - The flame atomic absorption spectrophotometric method for the determination of copper content
GB/T 223.62 Methods for chemical analysis of iron, steel and alloy - The butyl acetate extraction photometric method for the determination of phosphorus content
GB/T 223.63 Methods for chemical analysis of iron, steel and alloy - The sodium (potassium) periodate photometric method for the determination of manganese content
GB/T 223.77 Methods for chemical analysis of iron, steel and alloy - The flame atomic absorption spectrometric method for the determination of calcium content
GB/T 223.85 Steel and iron - Determination of sulfur content - Infrared absorption method after combustion in an induction furnace
GB/T 223.86 Steel and iron—Determination of total carbon content—Infrared absorption method after combustion in an induction furnace
GB/T 224 Determination of the depth of decarburization of steels
GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature
GB/T 231.1 Metallic materials - Brinell hardness test - Part 1: Test method
GB/T 2103 General provisions for checking, packing, marking and quality certification of steel wire
GB/T 4336 Carbon and low-alloy steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (routine method)
GB/T 11261 Steel and iron - Determination of oxygen content - The pulse heating inert gas fusion-infra-red absorption method
GB/T 18254-2016 High-carbon chromium bearing steel
GB/T 20066 Steel and iron - Sampling and preparation of samples for the determination of chemical composition
GB/T 20123 Steel and iron—Determination of total carbon and sulfur content - Infrared absorption method after combustion in an induction furnace (routine method)
GB/T 20125 Low-alloy steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric method
3 Classification and designation
3.1 Steel is classified into the following by metallurgical quality:
a) High quality steel;
b) High quality steel (with "A" after the designation);
c) Super high quality steel (with "E" after the designation).
3.2 Steel is classified into the following by casting process:
a) Die cast steel;
b) Continuous casting steel.
3.3 Steel is classified into the following by the end use of product:
a) G for rolling elements;
b) T for rings
3.4 The classification and code of steel wire by delivery status are shown in Table 1. Requirements for other delivery conditions shall be indicated in the contract.
Contents of GB/T 18579-2019
Foreword i
1 Scope
2 Normative references
3 Classification and designation
4 Order information
5 Dimension, shape, weight and permissible deviation
6 Technical requirements
7 Test methods
8 Inspection rules
9 Packaging, marking and quality certificate
