Bar & Shaft Dimensions, Tolerance

Round bar - Bright Drawn

Dia	Weight	Dia	Weight
(mm)	per metre (kg)	(in)	per metre (kg)
3mm	0.06	1/8"	0.06
4mm	0.10	3/16"	0.14
5mm	0.16	1/4"	0.25
6mm	0.22	5/16"	0.39
7mm	0.30	3/8"	0.56
8mm	0.40	7/16"	0.77
10mm	0.62	1/2"	1.00
12mm	0.89	9/16"	1.22
14mm	1.22	5/8"	1.56
15mm	1.40	11/16"	1.89
16mm	1.59	3/4"	2.25
18mm	2.01	7/8"	3.07
20mm	2.48	1"	4.03
22mm	3.00
24mm	3.57
25mm	3.88

Round Bar - Smooth Turned/ Bright Ground

Dia	Weight	Dia	Weight
(mm)	per metre (kg)	(in)	per metre (kg)
25mm*	3.88	1"	4.03
30mm*	5.58	1 1/8 "	5.07
35mm	7.60	1 1/4 "	6.25
40mm*	9.93	1 3/8"	7.57
45mm	12.56	1 1/2"	9.01
60mm	22.30	1 5/8"	10.60
50mm*	15.50	1 3/4"	12.20
		1 7/8"	14.10
		2"	16.00
		2 1/8"	18.10
		2 1/4"	20.30
		2 3/8"	22.60
		2 1/2	25.00
		2 5/8"	27.60
		2 3/4"	30.30
		3"	36.00

Round Bar - Rough Turned

Dia	Weight	Dia	Weight
(in)	per metre (kg)	(in)	per metre (kg)
3 1/4"	42.90	4 3/4"	91.70
3 1/2"	49.80	5"	102.00
3 3/4"	57.10	5' 1/2	123.00
4"	65.00	6"	146.00
4 1/4"	73.40	7"	199.00
4 1/2	82.30

Round Bar - Bright Drawn IMA

Dia (mm)	Weight per metre (kg)	Dia (in)	Weight per metre (kg)
3mm	0.06	1/8"	0.06
4mm	0.10	3/16"	0.14
5mm	0.16	1/4"	0.25
6mm	0.22	5/16"	0.39
8mm	0.40	3/8"	0.56
10mm	0.62	7/16"	0.77
12mm	0.89	1/2	1.00
15mm	1.40	9/16"	1.27
20mm	2.48	5/8"	1.56
25mm	3.88	11/16"	1.89
		3/4"	2.25
		7/8"	3.07
		1"	4.03

Round Bar - Smooth Turned IMA

Dia (mm)	Weight per metre (kg)	Dia (in)	Weight per metre (kg)
25mm	3.88	1"	4.03
30mm	5.58	1 1/8"	5.07
40mm	9.93	1 1/4"	6.25
50 mm	15.50	1 3/8"	7.57
60 mm	22.30	1 1/2"	9.01
		1 5/8"	10.60
		1 3/4	12.20
		2"	16.00
		2 1/4"	20.30
		2 1/2	25.00
		2 3/4"	30.30
		3"	36.00

Round Bar-Rough Turned

Dia (in)	Weight per metre (kg)	Dia (in)	Weight per metre (kg)
3"	36.00	6 1/2"	172.00
3 1/4"	42.90	7"	199.00
31/2"	49.80	7 1/2"	229.00
3 3/4"	57.10	8"	260.00
4"	65.00	8 1/2"	294.00
4 1/4"	73.40	9"	329.00
4 1/2"	82.30	10"	406.00
5"	102.00	11"	492.00
5 1/4"	111.98	12"	585.00
5 1/2"	123.00	340mm	728.00
5 3/4"	134.00	16"	1040.00
6"	146.00

Flat bar - Hot Rolled

Size (mm)	Weight per metre (kg)	Size (mm)	Weight per metre (kg)
20x10	1.58	50 x 15	5.93
25x10	1.98	60 x 15	7.11
30 x 10	2.37	75 x 15	8.88
40x10	3.16	100 x 15	11.90
50 x 10	3.95	25 x 20	3.95
60 x 10	4.74	30 x 20	4.74
75 x 10	5.93	40 x 20	6.32
100 x 10	7.90	50 x 20	7.90
25 x 12	2.37	60 x 20	9.48
30 x 12	2.84	75 x 20	11.90
40 x 12	3.79	100 x 20	15.80
50 x 12	4.74	30 x 25	5.93
60 x 12	5.69	40 x 25	7.90
75 x 12	7.11	50 x 25	9.88
100 x 12	9.48	60 x 25	11.90
25 x 15	2.96	75 x 25	14.80
30 x 15	3.56	100 x 25	19.80
40 x 15	4.74

FLAT - ROLLED EDGE

Size (mm)	Weight per metre (Kg)	Size (mm)	Weight per metre (Kg)
12 x 3	0.28	50x6	2.37
20 x 3	0.47	60 x 6	2.84
25 x 3	0.59	75 x 6	3.56
30 x 3	0.71	100 x 6	4.74
40 x 3	0.95	25 x 8	1.58
50 x 3	1.19	30 x 8	1.90
60 x 3	1.42	40 x 8	2.53
75 x 3	1.78	50 x 8	3.16
100 x 3	2.37	60 x 8	3.79
12 x 5	0.47	75 x 8	4.74
20 x 5	0.79	100 x 8	6.32
25 x 5	0.99	25 x 10	1.98
30 x 5	1.19	30 x 10	2.37
40 x 5	1.58	40 x 10	3.16
45 x 5	1.78	50 x 10	3.95
50 x 5	1.98	60 x 10	4.74
60 x 5	2.37	75 x 10	5.93
75 x 5	2.96	100 x 10	7.90
100 x 5	3.95	25 x 12	2.37
12 x 6	0.57	30 x 12	2.84
20 x 6	0.95	40 x 12	3.79
25 x 6	1.19	50 x 12	4.74
30 x 6	1.42	60 x 12	5.69
40 x 6	1.90	75 x 12	7.11
45 x 6	2.13	100 x 12	9.48

Square bar

Size (mm)	Weight per metre (Kg)	Size (mm)	Weight per metre (Kg)
12 x 12	1.14	30x30	7.11
16 x 16	2.02	40 x 40	12.60
20 x 20	3.16	50 x 50	19.80
25 x 25	4.94

Angle

Size (mm)	Weight per metre (kg)	Size (mm)	Weight per metre (kg)
20 x 20 x 3	0.88	50 x 50 x 10	7.11
25 x 25 x 3	1.12	60 x 60 x 5	4.58
25 x 25 x 5	1.78	60 x 60 x 6	5.40
25 x 25 x 6	2.09	60 x 60 x 10	8.69
30 x 30 x 3	1.35	70 x 70 x 6	6.35
30 x 30 x 5	2.17	70 x 70 x 10	10.30
30 x 30 x 6	2.56	75 x 75 x 6	7.37
40 x 40 x 3	1.83	75 x 75 x 10	11.95
40 x 40 x 5	2.96	80 x 80 x 6	7.89
40 x 40 x 6	3.51	80 x 80 x10	12.80
50 x 50 x 3	2.30	100 x 100 x 6	9.20
50 x 50 x 5	3.75	100 x 100 x 10	15.0
50 x 50 x 6	4.46

Hexagon bar

Size (in)	Weight per metre (kg)	Size (in)	Weight per metre (kg)
.3125"	0.43	1.010"	4.50
.324"	0.46	1.100"	5.35
.375"	0.62	1.125"	5.59
.437"	0.84	1.200"	6.36
.500"	1.10	1.250"	6.90
.525"	1.22	1.300"	7.46
.562"	1.39	1.375"	8.35
.600"	1.59	1.480"	9.67
.625"	1.73	1.500"	9.93
.710"	2.22	1.670"	12.30
.750"	2.48	1.750"	13.50
.812"	2.91	1.860"	15.30
.820"	2.97	2.200"	21.40
.875"	3.38	2.220"	21.80
.920"	3.74	2.375"	24.90
.9375"	3.88	2.500"	27.60

Bar Sizes & Weight

Size in mm	Average Weight
Size in mm	KG/MTR	KG/FT
10	0.62	0.18
12	0.90	0.30
14	1.20	0.40
16	1.60	0.50
18	2.00	0.60
20	2.50	0.80
22	3.00	0.90
24	3.56	1.08
25	3.90	1.20
28	4.80	1.50
30	5.55	1.69
32	6.30	1.90
34	7.14	2.18
36	8.00	2.44
40	9.90	3.00
45	12.49	3.81
50	15.40	4.70
56	19.34	5.89
60	22.20	6.80
63	24.47	7.46
63.5	24.86	7.58
65	26.05	7.94
70	30.20	9.20
73	32.86	10.00
75	34.72	10.58
78	37.51	11.43
80	39.50	12.00
83	42.47	12.95
85	44.55	13.58
90	50.00	15.20
92	52.19	15.91
93	53.39	16.27
95	55.65	16.95
100	61.66	18.79
105	67.98	20.72
110	74.60	22.74
115	81.64	24.88
125	96.34	29.36

Rolling Tolerances

Size	Ovality	Weight	Length
up to 25 mm ± 0.5 mm 25 mm to 35 mm ± 0.6 mm 35 mm to 50 mm ± 0.8 mm 50 mm to 80 mm ± 1 mm 80 mm to 100 mm ± 1.3 mm 100 mm and above ± 1.6 % of diameter.	± 75 % of total tolerance specified on the size.	10 mm to 16 mm ± 5 % 16 mm and above ± 3 %	For fixed length : ± 100 mm

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Know More About Forged Fittings

What is the difference between Class 3000 and Class 6000 fittings?

The fitting's class indicates the highest pressure that the device is permitted to sustain. Schedule 80/XS pipes are fitted with Class 3000 fittings, Sch. 160 pipes with Class 6000 fittings, and XXS pipes with Class 9000 fittings.

Bars Dimensions, Tolerance & Sizes