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List of Quality-Control Samples

List of quality-control sample




Serial number
Name
Specifications Test parameters
1
Room temperature tensile test sample(Hot rolled ribbed steel bar) Ф12mm×350mm
Ф16mm×350mm
Ф16mm×450mm
Tensile strength (Rm, MPa)
Lower yield strength (ReL, MPa)
Percentage elongation after fracture (A, %)
2
Room temperature tensile test sample (Steel bar) Ф10mm,
M16 standard thread
Ф 5 mm,
M12 standard thread
Tensile strength (Rm, MPa)
Lower yield strength (ReL, MPa)
Percentage elongation after fracture (A, %)
Percentage reduction of area (Z, %)
3
Room temperature tensile test sample (Steel Plate) Thickness: 2 mm
Width: 20 mm
Original gage: 50 mm
The parallel length: 90 mm
Clamping head: 50 mm
Tensile strength (Rm, MPa)
Lower yield strength (ReL, MPa)
Percentage elongation after fracture (A, %)
4
Room temperature tensile test sample (Aluminium alloy Plate) Thickness: 2 mm
Width: 20 mm
Original gage: 50 mm
The parallel length: 90 mm
Clamping head: 50 mm
Tensile strength (Rm, MPa)
Percentage elongation after fracture (A
50mm, %)
Proof strength, plastic extension of
Rp0.2 (MPa)
5
Room temperature tensile test sample (Steel wire) Ф4mm×300mm Tensile strength (Rm, MPa)
Percentage elongation after fracture (A
100mm, %)
6
Elevated temperature tensile test sample (Steel bar) Ф 5 mm,
M12 standard thread
Tensile strength (Rm, MPa)
Lower yield strength (ReL, MPa)
Percentage elongation after fracture (A, %)
7
Charpy impact test sample (Metallic material) U5 notch, 10mmˣ10mmˣ55mm Impact Absorbed Energy
8
Brinell hardness test sample (Metallic material) 100mmˣ80mmˣ16mm
100mmˣ80mmˣ16mm
60mmˣ40mmˣ10mm
HBW 2.5/187.5
HBW 5/750
HBW 10/3000
9
Rockwell hardness test sample (Metallic material) 60mmˣ40mmˣ10mm
60mmˣ40mmˣ10mm
HRB
HRC
10
Vickers hardness test sample (Metallic material) 25mmˣ25mmˣ5mm
60mmˣ40mmˣ10mm
60mmˣ40mmˣ10mm
HV0.2
HV5
HV10
11
Neutral salt spray test sample (Metallic material) 50mm×50mm×2mm The final quality loss (g/m2)






Contact Information:

China NIL Research Center for Proficiency Testing

Address: No.13, Gaoliangqiao Xiejie, Haidian District, Beijing, 100081, P.R.China

Contacts: Ms. GUO Juan, Mr. Li Yinyan

Fax: +86 10 6218 1163

Tel: +86 10 6218 1064/8330

E-mail:nil@analysis.org.cn