GB/T 30895-2014Hot-rolled rotary (English PDF)

1 Scope

This standard specifies the ring, bearing rings, grinding rings and flanges with low alloy steel, high-quality carbon structural steel, alloy structural steel ring member

Size, shape, weight and technical requirements, test methods, inspection rules, marking and quality certificate.

This standard applies to the manufacture ring, bearing rings, grinding rings and pressure vessel welding flange, high neck flange, floating head flange and hook and loop high neck enamel Act

Orchids, low alloy steel, high-quality carbon structural steel, alloy structural steel hot-rolled rings.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 222 chemical composition of finished steel tolerance

GB/T 223.5 steel measuring soluble silicon and total silicon content reduced silicon molybdate salt spectrophotometric method

GB/T 223.9 steel and aluminum alloys - Determination of chromium content Azure S Spectrophotometry

Determination of GB/T 223.11 steel and alloy chromium content of visual titration or potentiometric titration

GB/T 223.12 Methods for chemical analysis of iron, steel and alloys of sodium carbonate separation - diphenyl hydrazine spectrophotometric determination of chromium content

GB/T 223.14 Methods for chemical analysis of iron, steel and alloys, tantalum reagent extraction and spectrophotometric determination of vanadium content

Spectrophotometric determination of titanium content GB/T 223.16 Methods for chemical analysis of iron, steel and alloy The chromotropic acid

GB/T 223.19 Methods for chemical analysis of iron, steel and alloy neocuproine - chloroform extraction spectrophotometric determination of copper content

GB/T 223.23 steel and alloy - Determination of nickel content dimethylglyoxime spectrophotometry

GB/T 223.26 steel and alloy - Determination of molybdenum content - Thiocyanate spectrophotometric

GB/T 223.32 Methods for chemical analysis of iron, steel and alloy hypophosphite reduction - iodometric method for the determination of arsenic content

GB/T 223.37 Methods for chemical analysis of iron, steel and alloy distillation - neutralization titration method for the determination of nitrogen

GB/T 223.40 niobium steel and alloy - Determination of chlorine iodine phenol S spectrophotometry

GB/T 223.62 Methods for chemical analysis of iron, steel and alloy butyl acetate extraction spectrophotometric determination of phosphorus content

GB/T 223.63 Methods for chemical analysis of iron, steel and alloy The sodium (potassium) for Determination of amount

GB/T 223.67 steel and alloy sulfur content - Methylene blue spectrophotometric method

GB/T 223.69 after carbon and alloy steel - Determination of the pipe furnace combustion gas volumetric method

GB/T 223.78 Methods for chemical analysis of iron, steel and alloy Curcumin spectrophotometric determination of boron content directly

GB/T 223.79 multi-element steel Determination X- ray fluorescence spectrometry (Routine method)

After GB/T 223.85 steel and alloy sulfur content induction furnace combustion infrared absorption method

After the determination of GB/T 223.86 total carbon content and alloy steel induction furnace combustion infrared absorption method

Determination of depth of decarburization GB/T 224 steel

GB/T 226 steel macrostructure and defect etching test method

RT Test Method. Test Part 1 GB/T 228.1 metallic materials tensile

GB/T 229 metal Charpy pendulum impact test method

GB/T 231.1 metallic materials Brinell hardness test - Part 1. Test methods

GB/T 699 high-quality carbon structural steel […]