YB/T 4201-2009Steel slag sand for ready-mixed mortar (English PDF)

1 Scope

This Standard specifies the classification and code, dimension, shape, technical requirements, test methods, inspection rules, package, marking and quality certificate, etc. of the heat treatment spring steel strips.

This Standard is applicable to the heat treatment spring steel strips with thickness no greater than 1.50mm, width no greater than 100mm for manufacturing the spring parts.

2 Normative References

The provisions in following documents become the provisions of this Standard through reference in this Standard. For dated references, the subsequent amendments (excluding corrigendum) or revisions do not apply to this Standard, however, parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies.

GB/T 222 Method of Sampling Steel for Determination of Chemical Composition and Permissible Variations for Product Analysis

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 223.12 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium

Carbonate Separation-Diphenyl Carbazide Photometric Method for the

Determination of Chromium Content

GB/T 223.19 Methods for Chemical Analysis of Iron, Steel and Alloy - The

Neocuproine-Chloroform Extraction Photometric Method for the Determination of

Copper Content

GB/T 223.23 Methods for Chemical Analysis of Iron, Steel and Alloy - The

Dimethylglyoxime Spectrophotometric Method for the Determination of Nickel

Content

GB/T 223.58 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium

Arsenite-Sodium Nitrite Titrimetric Method for the Determination of Manganese

Content

GB/T 223.60 Methods for Chemical Analysis of Iron, Steel and Alloy - The

Perchloric Acid Dehydration Gravimetric Method for the Determination of Silicon

Content

GB/T 223.68 Methods for Chemical Analysis of Iron, Steel and Alloy - The

Potassium Iodate Titration Method After Combustion in the Pipe Furnace for the

Determination of Sulfur Content

GB/T 223.69 Methods for Chemical Analysis of Iron, Steel and Alloy -

Determination of Carbon Contents - Gas-Volumetric Method after Combustion in the Pipe Furnace

GB/T 224 Determination of Depth of Decarburization of Steels

GB/T 228 Metallic Materials – Tensile Testing at Ambient Temperature (GB/T 228-

2002, eqv ISO 6892.1998)

GB/T 235 Metallic Materials - Sheet and Strip 3 Mm Thick or less - Reverse Bend

Test (GB/T 235-1999, eqv ISO 7799.1985)

GB/T 247 General Rule of Acceptance, Package, Mark and Certification for Steel

Plates (Sheets) and Strips

GB/T 1222-1984 Spring Steels

GB/T 1298-1986 Carbon Tool Steels - Technical Requirements

GB/T 2523 Measuring Method of Surface Roughness and Peak Count for Cold-

Rolled Metal Sheet (Strip)

GB/T 4340.1 Metallic Materials - Vickers Hardness Test - Part 1. Test Method (GB/T 4340.1-1999, eqv ISO 6507-1.1987)

GB/T 15391 Dimensions, Shape and Tolerances for Cold-Rolled Steel Strips with a Width Less Than 600mm

GB/T 20066 Steel and Iron-Sampling and Preparation of Samples for the

Determination of Chemical Composition (GB/T 20066-2006, ISO 14284.1996, IDT)

YB/T 5058-2005 Cold-Rolled Spring and Tool Steel Strips a) Standard number;

b) Designation;

c) Dimension and dimension accuracy;

d) Edge state;

e) Groups of mechanical properties;

f) Surface state;

g) Weight;

h) Package requirements;

i) Other requirements.

6 Technical Requirements