国家标准题录

GB/T 9790-2021

金属材料 金属及其他无机覆盖层的维氏和努氏显微硬度试验

Metallic materials—Vickers and Knoop microhardness tests of metallic and other inorganic coatings

实施日期

2021-11-01

ICS 分类

77.040.10

GB/T 8361-2021

冷拉圆钢表面超声检测方法

Ultrasonic testing method for the surface of cold drawn round steel

实施日期

2021-11-01

ICS 分类

77.040.20

GB/T 8151.24-2021

锌精矿化学分析方法 第24部分:可溶性锌含量的测定 火焰原子吸收光谱法

Methods for chemical analysis of zinc concentrates—Part 24：Determination of soluble zinc content—Flame atomic absorption spectrometry

实施日期

2021-11-01

ICS 分类

77.120.60

GB/T 3093-2021

柴油机用高压无缝钢管

High-pressure seamless steel tubes for diesel engine

实施日期

2021-11-01

ICS 分类

77.140.75

GB/T 3488.3-2021

硬质合金 显微组织的金相测定 第3部分：Ti（C,N）和WC立方碳化物基硬质合金显微组织的金相测定

Hardmetals—Metallographic determination of microstructure—Part 3: Measurement of microstructural features in Ti (C, N) and WC/cubic carbide based hardmetals

实施日期

2021-10-01

ICS 分类

77.160

GB/T 39864-2021

锰酸锂电化学性能测试 首次放电比容量及首次充放电效率测试方法

Electrochemical performance test of lithium manganese oxide—Test method for the initial specific discharge capacity and the initial efficiency

实施日期

2021-10-01

ICS 分类

77.160

GB/T 39861-2021

锰酸锂电化学性能测试 放电平台容量比率及循环寿命测试方法

Electrochemical performance test of lithium manganese oxide—Test method for discharge plateau capacity ratio and cycle life

实施日期

2021-10-01

ICS 分类

77.160

GB/T 39859-2021

镓基液态金属

Gallium-based liquid metal

实施日期

2021-10-01

ICS 分类

77.150.99

GB/T 39856-2021

热轧钛及钛合金无缝管材

Hot rolled titanium and titanium alloy seamless tubes

实施日期

2021-10-01

ICS 分类

77.150.50

GB/T 39816-2021

钛及钛合金铸造母合金电极

Master alloy electrode for titanium and titanium alloy casting

实施日期

2021-10-01

ICS 分类

77.150.50

GB/T 39810-2021

高纯银锭

High purity silver ingots

实施日期

2021-10-01

ICS 分类

77.150.99

GB/T 39799-2021

钛及钛合金棒材和丝材尺寸、外形、重量及允许偏差

Dimension,shape,weight and tolerances for titanium and titanium alloy bars and wires

实施日期

2021-10-01

ICS 分类

77.150.50

GB/T 39754-2021

波纹管用热镀层钢板及钢带

Hot dip coating steel sheet and strip for corrugated pipe

实施日期

2021-10-01

ICS 分类

77.140.50

GB/T 24590-2021

高效换热器用 特型管

Enhanced tubes for efficient heat exchanger

实施日期

2022-02-01

ICS 分类

77.140.75

GB/T 5162-2021

金属粉末 振实密度的测定

Metallic powders—Determination of tap density

实施日期

2021-10-01

ICS 分类

77.160

GB/T 2585-2021

铁路用热轧钢轨

Hot-rolled steel rails for railway

实施日期

2021-10-01

ICS 分类

77.140.60;45.080

GB/T 37400.7-2019

Heavy mechanical general technical specification—Part 7：Repair welding for steel castings

实施日期

—

ICS 分类

77.140.80

GB/T 37775-2019

Heavy steel open die forgings—General technical specification

实施日期

—

ICS 分类

77.140.85

GB/T 37400.6-2019

Heavy mechanical general technical specification—Part 6：Steel castings

实施日期

—

ICS 分类

77.140.80

GB/T 37400.8-2019

Heavy mechanical general technical specification—Part 8：Forgings

实施日期

—

ICS 分类

77.140.85