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| Description of tests |
| classification |
Name |
item |
criterion |
|
| (Physics and chemistry test for metallic materials) |
(tensile and elongation test) |
ultimate strength, yield strength, specified strength at non-linear elongation, strain, cross-sectional shrinkage. |
GB/T 228-2002 Elongation test method for metallic materials under room temperature |
| compression test |
yield strength, compression strength, compression modulus. |
GB 7314-87The test method on metal compression |
| Bending test |
Specified non-linear bending strength, ultimate bending strength, bending modulus, maximum bending force, bending sectional energy. |
GB/T 1445-93 The test method to determine mechanical properties of metal bending |
| Impact test |
Impact energy |
GB/T 229-1994 Sharpy鈥檚 notch impact test method on metals |
| hardness |
HRA銆丠RB銆丠RC銆丠B |
GB/T230-1991
Test to determine Rockwell hardness of metal
GB/T 229-1994 Test to determine Brinnell hardness of metal |
| Metal phase structure |
Determination of metal phase structure |
GB/T13298-91 Test method to determine metal phase
GB/T13299-91 Appraisal method to determine metal phase structure |
| adhesion |
adhesion grading |
GB/T1720
Determination of adhesion of paint film
GB/T9286 Grading method of colored paint, varnish and paint wax |
| Film thickness |
Film thicknesses of paint, plastic, rubber coatings, polyester powder coating, flurocarbon coating. |
GB/T4957 Eddy current method to measure the thickness of non-conductive coating of nonmagnetic metal base |
| Chemical analysis of steel |
C, Si, Mn, P, S, Cr, Mo, Cu, Ti, V. |
GB/T223 Chemical analysis of steels and alloys
GB/T4336-1984 Spectrum Analysis of carbon steels and medium and low alloy steels
GB/T11170-1989 Spectrum Analysis of Stainless steels |
| Chemical analysis of aluminium alloys |
Si, Ti, Cu, Mn, Mg, Cr, Zn, Ti. |
GB/T6987-2001Chemical analysis of Aluminium alloys |
| Chemical analysis of zinc alloys |
Al, Cu, Mg, Fe, Pb, Cd, Sn |
GB/T12689-2004 Chemical analysis of zinc alloys |
| corrosion resistance |
Neutral salt spray test
Acidic Salt-Spray Test
Salt spray test with copper acetate |
QB/T3826-1999 Corrosion resistance test for metal coating and chemical treated layer of light industry products
GB/T10125 Man-made gas corrosion test, salt spray test |
| nondestructive test |
Metallic materials, castings, welds |
X-ray fissure test |
GB/T5677-85 Classification method of radiographic images on film for steel castings
GB/T3323-87 Classification method of radiographic images and quality grading on welded butt joints |
| Welds of metallic materials andcastings |
Ultrasonic fissure -test |
GB/T11345-1989 Classification method of ultrasonic fissure-detection of steel welds |
| welds |
Magnetic particle fissure test |
JB/T6061-92 Magnetic particle method of detecting fissures inwelds and its classification |
| welds |
Penetration fissure test |
JB/T6062-92 Penetration method of detecting fissures inwelds and its classification | |
|
| classification |
Name |
item |
criterion |
|
| mechanical performance of fasteners |
Screws and bolts |
Tension test, torque test, hardness test, guarantee loading test |
GB/T3098.1-2000 Mechanical performance of screws and bolts |
| Nuts with fine screw threads |
guarantee loading test, hardness test |
GB/T3098.2-2000 Mechanical performance of nuts with fine screw threads |
| Nuts with coarse screw threads |
guarantee loading test, hardness test |
GB/T3098.4-2000GB/T3098.4-2000 Mechanical performance of nuts with coarse screw threads |
| Self-tapping screws |
Metal phase and hardness test, self tapping performance, destructive torque test. |
GB/T3098.5-2000 Mechanical performance of self-tapping screws |
| Stainless steel screws and bolts |
Tension test, elongation at break, destructive torque test. |
GB/T3098.6-2000 Mechanical performance of stainless steel screws and bolts |
| Fittings for point-fixed glass facades |
spider |
axial loading capacity, radial loading capacity, corrosion resistance |
JG138-XXXX Point-fixed support device of architectural glass |
| routel |
axial loading capacity, radial loading capacity, corrosion resistance |
JG138-XXXX Point-fixed support device of architectural glass |
| Glass clamp |
axial loading capacity, radial loading capacity, corrosion resistance |
JG138-XXXX Point-fixed support device of architectural glass |
| connector |
Axial tension, radial bending resistance |
Q/JL7-2004 Supporting device for point-fixed glass facades (connector) |
| Glass suspension clamps |
Loading capacity, surface finish, mechanical performance of fasteners |
JG139-2001 Suspension support device of architectural glass |
| Tension rod |
Tensile test, Neutral salt spray test |
Q/JL4-2004 Supporting device of point-fixed glass facades ( stainless steel tension rod) |
| Tension cable |
Tensile test, elongation, breaking force, tension at slipping, joint breaking force |
Q/JL1-2004 Stainless steel JG/Txxxx-xxxx Technical conditions for swagging heads |
| Steel strand wire |
minimum breaking force, wire strength |
GB/T8358 Tensile test method of steel wire rope JG/Txxxx-xxxx Architectural stainless steel strand wire |
| Steel wire |
Minimum breaking force, ultimate tensile, yield strength, reduction of cross section, elastic modulus |
GB/T4240-1993 Stainless steel wire |
| Doors & Windows Hardware |
handle |
Corrosion resistance, film thickness, adhesive force, operating force, operating moment, endurance, anti-twisting, tension resistance. |
JG/Txxxx-xxxx Architectural Doors & Windows Hardware - Handle for transmission mechanism JG/Txxxx-xxxx Architectural Doors & Windows Hardware 鈥?cam handle |
| Pivot hinge |
Corrosion resistance, film thickness, adhesive force, loading moment, rotating force, endurance, sagging, hitting opening, hitting block |
JG/Txxxx-xxxx Architectural Doors & Windows Hardware - pivot hinge |
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