GB/T 222-2006
AbolishedPermissible tolerances for chemical composition of steel products
钢的成品化学成分允许偏差
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 术语和定义 → 4 分类 → 5 技术要求 → 6 试验方法 → 7 检验规则 → 8 包装、标志和质量证明书 Foreword → 1 Scope → 2 Normative References → 3 Terms and Definitions → 4 Classification → 5 Technical Requirements → 6 Test Methods → 7 Inspection Rules → 8 Packaging, Marking and Quality Certificate
Scope
This standard specifies the permissible tolerances for the chemical composition of steel products. This standard is applicable to the determination and judgment of the chemical composition of steel products.
本标准规定了钢的成品化学成分允许偏差。本标准适用于钢的成品化学成分的测定和判定。
Normative References
Keywords
Application Summary AI generated
Steel manufacturers, quality inspection agencies, and end users use this standard to determine whether the chemical composition of finished steel products meets specified tolerances. It ensures that the chemical composition remains within acceptable limits, guaranteeing consistent material properties and reliability. This standard is critical for controlling steel quality and preventing performance issues caused by composition deviations.
钢铁生产企业、质量检验机构和用户使用本标准来判定成品钢材的化学成分是否合格。它确保了钢材化学成分在允许范围内，从而保证材料性能的一致性和可靠性。该标准对于控制钢材质量、避免因成分偏差导致的性能问题至关重要。
AI Summary AI generated
GB/T 222-2006 specifies the permissible tolerances for the chemical composition of finished steel products, applicable to the determination and conformity assessment of various steel types. It defines deviation limits for elements such as carbon, silicon, and manganese, and includes rules for rounding analytical results. Replacing the 1984 version, this standard provides a unified technical basis for steel production, inspection, and trade, ensuring accuracy and consistency in chemical composition.
GB/T 222-2006《钢的成品化学成分允许偏差》规定了成品钢材化学成分的允许偏差范围，适用于各类钢产品的成分测定与合格判定。标准明确了不同元素（如碳、硅、锰等）的偏差限值，并规定了分析结果的数值修约规则。该标准替代了1984年版本，为钢铁生产、检验和贸易提供了统一的技术依据，确保钢材化学成分的准确性和一致性。
Key Sentences extracted from text
本标准规定了钢的成品化学成分允许偏差。
本标准适用于钢的成品化学成分的测定和判定。
钢的成品化学成分允许偏差应符合表1的规定。
当需方对化学成分有特殊要求时，应在合同中注明。
分析结果的数值修约应按GB/T 8170的规定进行。
This standard specifies the permissible tolerances for the chemical composition of steel products.
This standard is applicable to the determination and judgment of the chemical composition of steel products.
The permissible tolerances for the chemical composition of steel products shall comply with the provisions of Table 1.
When the purchaser has special requirements for chemical composition, it shall be indicated in the contract.
The rounding of numerical values of analysis results shall be carried out in accordance with the provisions of GB/T 8170.
Standard Timeline
Changes from replaced version:
- 增加了术语和定义章节
- 修改了部分元素的允许偏差值
- 更新了规范性引用文件
- Added terms and definitions section
- Modified permissible tolerance values for some elements
- Updated normative references