QUALITY CONTROL

BENDING AND REBENDING INSTRUCTION

NOMINAL SIZE & SECTION WEIGHT

NOMINAL SIZE (MM) NOMINAL SECTION WT. (KG/M) SECTION WEIGHT (RANGE) KG/M
8 0.395 (0.367 - 0.423)
10 0.617 (0.574 - 0.660)
12 0.889 (0.845 - 0.933)
16 1.580 (1.501 - 1.659)
20 2.469 (2.395 - 2.543)
25 3.858 (3.742 - 3.974)
28 4.840 (4.695 - 4.985)
32 6.321 (6.131 - 6.511)

BEND TEST
AS PER IS 1786/2008


REBEND TEST
AS PER IS 1786/2008


AS PER IS 1786/20008

BEND TEST // TABLE OF MANDRELS
Nominal Size (mm) GRADE
Fe 415
Fe 415D
Fe 500
Fe 500D
Fe 550
Fe 550D
08 mm 3 Φ 24 mm 2 Φ 16 mm 4 Φ 32 mm 3 Φ 24 mm 5 Φ 40 mm 4 Φ 32 mm
10 mm 3 Φ 30 mm 2 Φ 20 mm 4 Φ 40 mm 3 Φ 30 mm 5 Φ 50 mm 4 Φ 40 mm
12 mm 3 Φ 36 mm 2 Φ 24 mm 4 Φ 48 mm 3 Φ 36 mm 5 Φ 60 mm 4 Φ 48 mm
16 mm 3 Φ 48 mm 2 Φ 32 mm 4 Φ 64 mm 3 Φ 48 mm 5 Φ 80 mm 4 Φ 64 mm
20 mm 3 Φ 60 mm 2 Φ 40 mm 4 Φ 80 mm 3 Φ 60 mm 5 Φ 100 mm 4 Φ 80 mm
25 mm 4 Φ 100 mm 3 Φ 75 mm 5 Φ 125 mm 4 Φ 100 mm 6 Φ 150 mm 5 Φ 125 mm
32 mm 4 Φ 128 mm 3 Φ 96 mm 5 Φ 160 mm 4 Φ 128 mm 6 Φ 192 mm 5 Φ 160 mm
REBEND TEST // TABLE OF MANDRELS
Nominal Size (mm) GRADE
Fe 415
Fe 415D
Fe 500
Fe 500D
Fe 550
Fe 550D
08 mm 5 Φ 40 mm 4 Φ 32 mm 5 Φ 40 mm 4 Φ 32 mm 7 Φ 56 mm 4 Φ 48 mm
10 mm 5 Φ 50 mm 4 Φ 40 mm 5 Φ 50 mm 4 Φ 40 mm 7 Φ 70 mm 4 Φ 60 mm
12 mm 7 Φ 84 mm 6 Φ 72 mm 7 Φ 84 mm 6 Φ 72 mm 8 Φ 96 mm 4 Φ 84 mm
16 mm 7 Φ 112 mm 6 Φ 96 mm 7 Φ 112 mm 6 Φ 96 mm 8 Φ 128 mm 4 Φ 112 mm
20 mm 7 Φ 140 mm 6 Φ 120 mm 7 Φ 140 mm 6 Φ 120 mm 8 Φ 160 mm 4 Φ 140 mm
25 mm 7 Φ 175 mm 6 Φ 150 mm 7 Φ 175 mm 6 Φ 150 mm 8 Φ 200 mm 5 Φ 175 mm
32 mm 7 Φ 224 mm 6 Φ 192 mm 7 Φ 224 mm 6 Φ 192 mm 8 Φ 256 mm 5 Φ 224 mm