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GB/T 42661-2023 Corrosion of metals and alloys Test method for stress corrosion susceptibility of steel bars in simulated marine environment - 英文版 |
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GB/T 223.54-2022 Iron, steel and alloys - Determination of nickel content - Flame atomic absorption spectrometry - 英文版 |
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GB/T 223.63-2022 Iron, steel and alloys - Determination of manganese content - Sodium (potassium) periodate spectrophotometric method - 英文版 |
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GB/T 223.91-2021 Iron, steel and alloy—Determination of copper—2,2’-Biquinoline spectrophotometric method - 英文版 |
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GB/T 223.90-2021 Iron, steel and alloy—Determination of silicon content—Inductively coupled plasma atomic emission spectrometric method - 英文版 |
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GB/T 223.37-2020 Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation - 英文版 |
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GB/T 223.88-2019 Iron, steel and alloy—Determination of calcium and magnesium contents—Inductively coupled plasma atomic emission spectrometric method - 英文版 |
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GB/T 223.89-2019 Iron, steel and alloy—Determination of tellurium content—Hydride generation-atomic fluorescence spectrometric method - 英文版 |
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GB/T 223.88-2019 Iron, steel and alloy—Determination of calcium and magnesium contents—Inductively coupled plasma atomic emission spectrometric method - 英文版 |
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GB/T 223.87-2018 Iron,steel and alloy—Determination of calcium and magnesium—Inductively coupled plasma mass spectrometric method - 英文版 |
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GB/T 19743-2018 Water-atomized pure iron powder and alloyed steel powder for powder metallurgy - 英文版 |
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GB/T 17616-2013 Unified numbering system for designation of iron,steel and alloy - 英文版 |
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GB/T 223.65-2012 Steel, iron and alloy - Determination of cobalt content - Flame atomic absorption spectrometric method - 英文版 |
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GB/T 25834-2010 Corrosion of metals and alloys - Accelerate corrosion testing of iron and steel in outdoor atmospheres - 英文版 |
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GB/T 24520-2009 Cast iron and low alloy steel - Determination of lanthanum, cerium and magnesium content - Inductively coupled plasma atomic emission spectrometric method - 英文版 |
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GB/T 223.11-2008 Iron, steel and alloy - Determination of chromium content - Visual titration or potentiometric titration method - 英文版 |
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GB/T 20972.2-2008 Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 2: Cracking-resistant carbon and low alloy steels, and the use of cast irons - 英文版 |
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GB/T 223.59-2008 Iron,steel and alloy - Determination of phosphorus content - Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometric method - 英文版 |
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GB/T 223.9-2008 Iron, steel and alloy - Determination of aluminium content - Chrom azurol S photometric method - 英文版 |
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GB/T 223.75-2008 Iron,steel and alloy - Determination of boron content - Methanol distillation-curcumin photometric method - 英文版 |
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GB/T 223.73-2008 Iron, steel and alloy - Determination of iron contents - Titanium trichloride-potassium dichromate titration method - 英文版 |
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GB/T 223.72-2008 Iron, steel and alloy - Determination of sulfur content - Gravimetric method - 英文版 |
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GB/T 223.70-2008 Iron, steel and alloy - Determination of iron contents - O-phenanthroline spectrophotometric method - 英文版 |
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GB/T 223.69-2008 Iron, steel and alloy - Determination of carbon contents - Gas-volumetric method after combustion in the pipe furnace - 英文版 |
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GB/T 223.67-2008 Iron, steel and alloy - Determination of sulfur content -Methylene blue spectrophotometric method - 英文版 |
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GB/T 223.64-2008 Iron, steel and alloyed - Determination of manganese content - Flame atomic absorption spectrometric method - 英文版 |
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GB/T 223.55-2008 Iron, steel and alloy - Determination of tellurium content - Oscillo-polarographic method - 英文版 |
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GB/T 223.43-2008 Iron, steel and alloy - Determination of tungsten content - Gravimetryc method and spectrophotometric method - 英文版 |
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GB/T 223.31-2008 Iron, steel and alloy - Determination of arsenic content -Distillation-molybdenum blue spectrophotometric method - 英文版 |
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GB/T 223.29-2008 Iron, steel and alloy - Determination of lead content - Carrier precipitation-xylenol orange spectrophotometric method - 英文版 |
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