GB/T 40313-2021變形高溫合金盤(pán)鍛件Specification for wrought superalloy forging disks

上一條：GB/T 40314-2021金屬和合金的腐蝕 適用于不銹鋼平板或管狀試樣的碟形彈簧縫隙腐蝕構型Corrosion of metals and alloys. Crevice corrosion formers with disc springs for flat specimens or tubes made from stainless steel

下一條：GB/T 40312-2021磷鐵 磷、硅、錳和鈦含量的測定 波長(cháng)色散X射線(xiàn)熒光光譜法（熔鑄玻璃片法）Ferrophosphorus. Determination of phosphorus，silicon，manganese and titanium content. Wavelength dispersive X-ray fluorescence spectrometry method (Fused cast bead method)

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