S.NO. Parameters Specification Method of checking
1 Nominal size 4.71*0.65
2 Type coating Copper coating
3 O.D.(mm) 4.76�0.05mm Micrometer LC 0.01mm
4 Ovality(mm) 0.08mm max -do-
5 Thick(mm) 0.65mm (-0.02mm,+0.03mm) Pointed micrometer LC 0.01mm
6 YS (N/mm2) 180 min Universal Tensile Testing m/c
7 UTS (N/mm2) 290 min Universal Tensile Testing m/c
8 % EI (50mm Gauge length) 30%min Universal Tensile Testing m/c
9 Flaring 30%min Flaring m/c
10 Flattening 3t (t=thickness ) (*) Flattening m/c
11 Bend Test 1.5 d on 360�No crack /Open Bend on mandrel
12 Bead condition 70-120 u Pointed micrometer LC 0.01mm
13 Surface appearance Bright Smooth Surface (No score line ) Visually
14 Internal Cleanliness 15mg/ max By weightment method as below
15 Internal Moisture Content 13.4mg/ max (**) By Karl Fisher Method
16 Hydraulic pressure Test Withstand 250 kg/c Hydraulic Pressure Testing M/c
17 Grain Structure ASTM NO.7-9 Microscope
Pls check above list and offer your best price ASAP, pls send email for any more information Thanks.
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