1 GB/T 780-1979 汽油發(fā)動(dòng)機(jī)化油器出口凸緣尺寸 Carbureters for automobile engines--Dimensions
of outlet flanges 2 GB/T 983-1995 不銹鋼焊條 Stainless steel covered electrodes
3
GB/T 984-1985 堆焊焊條 Covered electrodes for hardfacing
4 GB/T 985-1988
氣焊、手工電弧焊及氣體保護(hù)焊焊縫坡口的基本形式與尺寸 Basic forms and sizes of weld grooves for gas welding
manual arc welding and gas-Shielded arc welding
5 GB/T 986-1988
埋弧焊焊縫坡口的基本形式和尺寸 Basic forms and sizes of weld grooves for submerged arc welding

6 GB/T 1173-1995 鑄造鋁合金 Casting aluminium alloys
7 GB/T 1174-1992 鑄造軸承合金
cast bearing metals
8 GB/T 1176-1987 鑄造銅合金技術(shù)條件 Specification for cast copper
alloys
9 GB/T 1177-1991 鑄造鎂合金 Casting magnesium alloys
10 GB/T 1348-1988
球墨鑄鐵件 Spheroidal graphite iron castings
11 GB/T 1954-1980 鉻鎳奧氏體不銹鋼焊縫鐵素體含量測(cè)量方法
Determination of the weldign seam iron element contentin chromium,nickel
austenitic stainless steel
12 GB/T 2100-1980 不銹耐酸鋼鑄件技術(shù)條件 Stainless
acid-resistant steel castings--Specifications
13 GB/T 2649-1989
焊接接頭機(jī)械性能試驗(yàn)取樣方法 Methods of sampling for mechanical properties tests of welded
joint
14 GB/T 2650-1989 焊接接頭沖擊試驗(yàn)方法 Method of impact test for welded joint

15 GB/T 2651-1989 焊接接頭拉伸試驗(yàn)方法 Method of tensile test for welded joint
16
GB/T 2652-1989 焊縫及熔敷金屬拉伸試驗(yàn)方法 Method of tensile tests for weld and deposited
metal
17 GB/T 2653-1989 焊接接頭彎曲及壓扁試驗(yàn)方法 Methods of bend and compression tests
for welded joint
18 GB/T 2654-1989 焊接接頭及堆焊金屬硬度試驗(yàn)方法 Methods of hardness tests
for welded joint and surfacing metal
19 GB/T 2655-1989 焊接接頭應(yīng)變時(shí)效敏感性試驗(yàn)方法
Method of strain-age sensibillity test for welded joint
20 GB/T 2656-1981
焊縫金屬和焊接接頭的疲勞試驗(yàn)法 Weld beads metal and welds--Fatigue test
21 GB/T 2684-1981
鑄造用原砂及混合料試驗(yàn)方法 Foundry sands and sand mixtures for casting--Method of testing