C. Gordhandas & Co.

C BRAND MALLEABLE PIPE FITTINGS

Made of high grade black hearts malleable Iron & Galvanised for common use on Steam, Air, Water, Oil and other piping installations with the working pressure upto 300 pounds per sq. inch and Hydraulically 20kg. per sq. cm.

Specification of castings of Black Heart Malleable Iron Galvanised Pipe Fittings according to IS:14329/1995.

Chemical Composition

Carbon 2.1% to 2.4%
Sillicon 0.9% to 1.1%
Maganese 0.3% to 0.4%
Sulphur 0.06% to 0.1%
Phosphorous According to Grade

Brinell Handness

150 - 160 BHN Tensiletest

300 Mpa to 350 Mpa

Elongation

6 to 12%

Tolerances

DIMENSION		TOLERANCES
(A) Above mm	(B) Upto and including mm	mm
--	30	±1.5
30	50	±2.0
50	75	±2.5
75	100	±3.0
100	150	±3.5
150	200	±4.0
200	--	±5.0

(A) Centre to face dimension applies to Elbows, Tee etc.
(B) Face to face dimension applies to Sockets, Union etc.

Wall Tickness and Tolerance

Size Designation in mm Size Designation in inch	15 ½	20 ¾	25 1	32 1½	40 1½	50 2	65 2½	80 3	100 4	125 5	150 6
Thickness in mm	2.5	3.0	3.0	3.5	3.5	4.0	4.5	5.0	6.0	6.5	7.5
Tolerance in mm	-0.5	-0.7	-0.7	-0.7	-0.7	-0.7	-1.0	-1.0	-1.0	-1.0	-1.0

ELBOW

NOMINAL SIZE IN inches	NOMINAL SIZE IN mm	A mm	D mm
1/2	15	29	30
3/4	20	34	34
1	25	39	41
1¼	32	46	50
1½	40	50	70
2	50	59	70
2½	65	70	86
3	80	79	99
4	100	97	126
5	125	116	162
6	150	132	185

TEE

NOMINAL SIZE IN inches	NOMINAL SIZE IN mm	A mm	D mm
1/2	15	29	29
3/4	20	34	34
1	25	39	41
1¼	32	46	50
1½	40	50	56
2	50	59	70
2½	65	70	86
3	80	79	99
4	100	97	126
5	125	116	162
6	150	132	185

SOCKET

NOMINAL SIZE IN inches	NOMINAL SIZE IN mm	A mm	D mm
1/2	15	36	29
3/4	20	39	34
1	25	45	41
1¼	32	50	50
1½	40	55	56
2	50	65	70
2½	65	74	86
3	80	80	99
4	100	94	126
5	125	110	158
6	150	121	184

UNION

NOMINAL SIZE IN inches	NOMINAL SIZE IN mm	A mm	D mm	S mm
1/2	15	49	28	45
3/4	20	52	34	50
1	25	58	41	55
1¼	32	66	50	71
1½	40	70	56	75
2	50	79	70	92
2½	65	86	86	115
3	80	96	99	132
4	100	111	126	155
5	125	135	155	187
6	150	152	182	217

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