GB/T 38688-2020Corrosion-resistant alloy of hot rolled plates (English PDF)

Foreword

This Standard was drafted in accordance with the rules in GB/T 1.1-2009.

1 Scope

This Standard stipulates the order content, dimensions, shapes, weights, technical requirements, test methods, inspection rules, packaging, marking and quality certificate of corrosion-resistant alloy of hot rolled plates.

The scope of application of this Standard is: nickel-based, iron-nickel-based, pure nickel and nickel-copper-based corrosion-resistant alloy of hot rolled plates with the nominal thickness of 3.0 mm ~ 200 mm, the nominal width of not more than 3,000 mm and the nominal length of not more than 15,000 mm (hereinafter referred to as plates).

2 Normative References

The following documents are indispensable to the application of this document. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document.

GB/T 223.3 Methods for Chemical Analysis of Iron, Steel and Alloy - The Diantipyryl Methane Phosphomolybdate Gravimetric Method for the Determination of Phosphorus Content

GB/T 223.4 Alloyed Steel - Determination of Manganese Content - Potentiometric or Visual Titration Method

GB/T 223.5 Steel and Iron - Determination of Acid-soluble Silicon and Total Silicon Content - Reduced Molybdosilicate Spectrophotometric Method

GB/T 223.8 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium Fluoride Separation - EDTA Titration Method for the Determination of Aluminum Content

GB/T 223.9 Iron, Steel and Alloy - Determination of Aluminum 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 223.17 Methods for Chemical Analysis of Iron, Steel and Alloy - The Diantipyrylmethane Photometric Method for the Determination of Titanium Content

GB/T 223.78 Methods for Chemical Analysis of Iron, Steel and Alloy - Curcumin Spectrophotometric Method for the Determination of Boron Content

GB/T 223.79 Iron and Steel - Determination of Multi-element Contents - X-ray Fluorescence Spectrometry (routine method)

GB/T 223.86 Steel and Iron - Determination of Total Carbon Content - Infrared Absorption Method after Combustion in an Induction Furnace

GB/T 228.1 Metallic Materials - Tensile Testing - Part 1: Method of Test at Room Temperature

GB/T 228.2 Metallic Materials - Tensile Testing - Part 2: Method of Test at Elevated Temperature

GB/T 230.1 Metallic Materials - Rockwell Hardness Test - Part 1: Test Method (scales A, B, C, D, E, F, G, H, K, N, T)

GB/T 247 General Rule of Acceptance, Package, Mark and Certification for Steel Plates (sheets) and Strips

GB/T 709 Dimension, Shape, Weight and Tolerances for Hot-rolled Steel Plates and Sheets

GB/T 2039 Metallic Materials - Uniaxial Creep Testing Method in Tension

GB/T 2970 Method for Ultrasonic Testing of Thicker Steel Plates

GB/T 2975 Steel and Steel Products - Location and Preparation of Samples and Test Pieces for Mechanical Testing

GB/T 6394 Metal - Methods for Estimating the Average Grain Size

GB/T 8651 Flaw Detection Method by the Ultrasonic Plate Wave for Metal Plates

GB/T 10561-2005 Steel - Determination of Content of Non-metallic Inclusions - Micrographic Method Using Standards Diagrams

GB/T 11170 Stainless Steel - Determination of Multi-element Contents - Spark Discharge Atomic Emission Spectrometric Method (routine method)

GB/T 15007 Designations of Corrosion-resistant Alloy

GB/T 15260 Standard Test Method for Intergranular Corrosion of Nickel Alloys by Corrosion of Metals and Alloys

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 20124 Steel and Iron - Determination of Nitrogen Content - Thermal Conductimetric Method after Fusion in a Current of Inert Gas

GB/T 36164 High Alloy Steel - Determination of Multi-element Contents - X-ray Fluorescence Spectrometry (routine method)

YB/T 4395 Steel Determination of Molybdenum, Niobium and Tungsten Contents - Inductively Coupled Plasma Atomic Emission Spectrometric Method

YS/T 325.2 Methods for Chemical Analysis of Nickel-copper Alloy - Part 2: Determination of Copper Content - Electrolysis Weight Method

3 Order Content

Contract or order form that orders in accordance with this Standard at least shall include the following content:

a) Serial No. of this Standard;

b) Product name (or trade name);

c) Uniform digital code or alloy designation;

d) Dimensions and accuracy;

e) Weight or quantity;

f) Smelting method (see 5.2);

g) Delivery state (see 5.3);

h) Ultrasonic testing qualification level (see 5.6);

i) Special requirements (see 5.8).

4 Dimensions, Shapes and Weights

6 Test Methods

6.1 The inspection items and test methods of plates shall comply with the stipulations in Table 9.

6.2 The chemical composition analysis of plates shall be conducted in accordance with GB/T 223.76, GB/T 223.78, GB/T 223.79, GB/T 223.86, GB/T 20123, GB/T 20124, GB/T 36164 and GB/T 11170, or other universal methods. However, arbitration shall be conducted in accordance with the stipulations in GB/T 223.3, GB/T 223.4, GB/T 223.5,

GB/T 223.8, GB/T 223.9, GB/T 223.11, GB/T 223.17, GB/T 223.20, GB/T 223.25, GB/T 223.28, GB/T 223.29, GB/T 223.30, GB/T 223.36, GB/T 223.38, GB/T 223.40, GB/T 223.42,

GB/T 223.43, GB/T 223.50, GB/T 223.65, GB/T 223.72, GB/T 223.73, GB/T 223.76, GB/T 223.78, GB/T 223.86, YB/T 4395 and YS/T 325.2.

7 Inspection Rules

8 Packaging, Marking and Quality Certificate

The packaging, marking and quality certificate of plates shall comply with the stipulations of GB/T 247. […]