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GB/T 31553-2025External-heating hot blast cupola furnaces (English PDF)

外热风冲天炉

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 31, 2025

Implementation date

May 1, 2026

Scope

GB/T 31553-2025 is the English-translated version of 外热风冲天炉.

GB/T 31553-2025 is the Chinese standard "External-heating hot blast cupola furnaces". Its scope clause reads: This document specifies the type, basic parameters, and technical requirements of external hot blast cupola furnaces, describes the corresponding test methods, and stipulates the inspection procedures.

Rules, marking, packaging, transportation and storage. This document applies to the manufacture of external hot blast cupola furnaces. Its clauses include terms and definitions.

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Document preview — GB/T 31553-2025

National Standard of the People's Republic of China

ICS: 25.120.30
Classification: J 61
Replacing: GB/T 31553-2015

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.Types and Basic Parameters
5.Technical Requirements
6.Test Methods
7 Inspection Rules
8.Marking, Packaging, Transport and Storage

1 Scope

This document specifies the type, basic parameters, and technical requirements of external hot blast cupola furnaces, describes the corresponding test methods, and stipulates the inspection procedures.

Rules, marking, packaging, transportation and storage.

This document applies to the manufacture of external hot blast cupola furnaces.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 713.2-2023 Steel plates and strips for pressure equipment – Part 2.Non-alloy and alloy steels with specified temperature properties

GB/T 985.1 Recommended bevels for gas welding, shielded metal arc welding, gas shielded welding and high energy beam welding

GB/T 985.2 Recommended bevel for submerged arc welding

GB/T 1184-1996 Geometric Tolerances - Tolerances Without Specified Values

GB/T 1804-2000 General tolerances - Tolerances for linear and angular dimensions without specified tolerances

GB/T 3098.1-2010 Mechanical properties of fasteners - bolts, screws and studs

GB/T 3098.2-2015 Mechanical Properties of Fasteners - Nuts

GB/T 5226.1 Electrical Safety of Machinery - Electrical Equipment of Machinery - Part 1.General Technical Conditions

GB/T 9969 General Rules for Instructions for Use of Industrial Products

GB/T 18717.2 Ergonomic design for machine safety - Part 2.Determination of opening dimensions for partial human entry into machinery in principle

GB 20905-2007 Safety Requirements for Foundry Machinery

GB/T 23570 General technical requirements for welded parts of metal cutting machine tools

GB/T 23571 Preparation of accompanying technical documents for metal cutting machine tools

GB/T 25370 Terminology for Foundry Machinery

GB/T 25371 Method for measuring sound pressure level of casting machinery noise

GB/T 25711-2023 General Technical Specification for Foundry Machinery

GB/T 31552 Classification and Model Numbering Method for Foundry Machinery

JB/T 11534 Cupola Smelting Operation Requirements

JB/T 12245 Cupola Smelting and Casting Terminology

NB/T 47013.3-2023 Non-destructive testing of pressure equipment - Part 3.Ultrasonic testing

3 Terms and Definitions

The terms and definitions defined in GB/T 25370 and JB/T 12245, as well as the following terms and definitions, apply to this document.

3.1

The combustion-supporting gas is heated in the external combustion chamber and then fed into the cupola furnace inside the furnace. […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 12 pages — is available in the English PDF.

Referenced standards

Normative references

Editions of GB/T 31553

Edition	Title	Revision	Status
GB/T 31553-2025	External-heating hot blast cupola furnace	current edition	Current
GB/T 31553-2015	External combustion hot blast cupola	previous edition	In force

This page sells the current edition, GB/T 31553-2025. Earlier editions are listed for reference only.

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