Ductile Cast Iron Technical Details

Technical Details

1. Chemical Analysis

Composition	C	Si	Mn	P	S	Mg
Rate	3.5-4.0%	1.8-2.6%	≤0.40%	≤0.08%	≤0.02%	0.04-0.08%

Note: Proof Stress may be measured by agreement between the manufacturer and the purchaser.

Nominal Diameter	Centrifugal Pipe			Fitting	Weld-on/Screwed-on Flange Pipe
DN(mm)	K<9	K≥9	Preferred C Class	Fitting	PN10	PN16	PN25	PN40
80-300	0.5(K+1)2	50	40	25	16	25	32	40
350-600	0.5K2	40	30	16
700-1000	0.5(K-1)2	32	25	10
1100-2000	0.5(K-2)2	25	25	10
2200-2600	0.5(K-3)2	18	25	10

DN(mm)	DE(mm)	Wall Thickness(mm)			Approximate Weight of Socket(kg)	UNIT WEIGHT L=6M (kg/PC)			Preferred Calss
Nominal Diameter	Outside Diameter	K9	K8	C	Approximate Weight of Socket(kg)	K9	K8	C	Preferred Calss
80	98	6.0	6.0	4.4	3.40	77	77	59	C40
100	118	6.0	6.0	4.4	4.30	95	94	71	C40
150	170	6.0	6.0	4.5	7.10	144	138	106	C40
200	222	6.3	6	4.7	10.30	194	183	146	C40
250	274	6.8	6	5.5	14.20	255	228	210	C40
300	326	7.2	6.4	6.2	18.60	323	290	282	C40
350	378	7.7	6.8	6.3	23.70	403	359	335	C30
400	429	8.1	7.2	6.5	29.30	482	433	394	C30
450	480	8.6	7.6	6.9	38.30	577	515	472	C30
500	532	9.0	8	7.5	42.80	669	600	566	C30
600	635	9.9	8.8	8.7	59.30	882	791	783	C30
700	738	10.8	9.6	8.8	79.10	1,123	1,009	932	C25
800	842	11.7	10.4	9.6	102.60	1,394	1,255	1,165	C25
900	945	12.6	11.2	10.6	129.90	1,690	1,521	1,446	C25
1000	1048	13.5	12	11.6	161.30	2,017	1,811	1,759	C25
1200	1255	15.3	13.6	13.6	237.30	2,758	2,482	2,482	C25
1400	1462	17.1	15.2	15.7	385.80	3,669	3,207	3,403	C25
1600	1668	18.9	16.8	17.7	375.40	4,668	4,213	4,408	C25

* Any other questions, please feel free to contact us.

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