Product Details

Ductile Iron Pipe Class K9

Centrifugal Casting T-Type Ductile Cast Iron Pipes

Diameter: DN80-DN1200mm

Thickness: K9 is the normal one, we can supply K7,K8, K10, K12 if requested.

Standard:

ISO2531, BS EN545, EN598, ISO4179, ISO8179

Ductile iron pipes for water conveyance:
Product standards: BS EN545:2002, ISO2531:1998

Ductile iron pipes for sewerage application:
Product standard: BS EN598:2002

Material:
Ductile Iron GGG500-7&400-12 or ASTM-A-536 grade 80-55-06 etc.

Joint:

Flexible push-on joint and rubber gasket are used to make convenient installation of pipelines

Joint Type:

The normative joint are Push-on (Tyton-type) joint, we could also supply Mechanical (K-type) joint and flange type if requested.

Material of Rubber gasket: NR, NBR, EPDM, etc.

Coating: Firmly sticking internal and external coating layer

Outside sprayed with zinc (in accordance with ISO8179, not less than 130 g/m2) and black bitumen paint (with thickness not less than 70 microns), inside with cement mortart lining as per ISO4179.

Pipe	Ductile iron casting, minimum 420 MPa tensile strength
Internal Lining	Concrete Lining, ISO 4179
Socket Internal Lining	200 micron epoxy coating
External Coating	70 micron bitumen coating on 130 gr/m2 zinc coating, ISO 8179 70 micron bitumen coating on 200 gr/m2 Zn-Al coating (optional)

Specifications

Nomminal Diameter	Outside Diameter	Wall Thickness	Approximate Weight of Socket Section	Weight of Straight Section	Total Weight of standard Working Length	Number of Pipes Per Mile	Pipe Weight Per Mile
(mm)	(mm)	(mm)	(Kg)	kg/m(K9)	kg(l=6000mm) (K9)	(Pcs)	(Tons)(K9)
80	98	6	3.4	12.2	77	167	12.859
100	118	6	4.3	15.1	95	167	15.865
150	170	6	7.1	22.8	144	167	20.048
200	220	6.3	10.3	30.6	194	167	32.398
250	274	6.8	14.2	40.2	255	167	42.585
300	326	7.2	18.6	50.8	323	167	53.941
350	378	7.7	23.7	63.2	403	167	67.301
400	429	8.1	29.3	75.5	482	167	80.484
450	480	8.6	38.3	89.5	575	167	96.025
500	532	9	42.8	104.3	669	167	111.723
600	635	9.9	59.3	137.3	882	167	147.294
700	738	10.8	79.1	173.9	1123	167	187.541
800	842	11.7	102.6	215.2	1394	167	232.798
900	945	12.6	129.9	260.2	1691	167	282.397
1000	1048	13.5	161.3	309.3	2017	167	336.839
1200	1255	15.3	237.7	420.1	2758	167	460.586

K9 Thickness Ductile Iron Pipe Mechanical Properties

PRODUCT PERFORMANCE

Mechanical Properties
Nominal diameter mm	Tensile strength N/m2	Yield strength N/m2	Elongation%	Hardness HB	water pressure test MPa
≤300	≥420	≥300	≥10	≤230	5
300—600	≥420	≥300	≥10	≤230	4
700—1000	≥420	≥300	≥10	≤230	3.2
1200	≥420	≥300	≥7	≤230	2.5

Corrosion resistance
	90-day water corrosion(G/cm2)	Corrosion in sea water(G/cm2)	72 hours 5% hydrochloric acid solution(G/cm2)
Ductile iron pipe	0.009	0.066	0.0821
Ordinary gray iron pipe	0.0103	0.073	0.6899
Steel	0.0396	0.13	≥10