ISO2531 Ductile iron pipes K9 Length:5.7M OR6M. 125PCS FOR 20GP. 150PCS FOR 40GP Enough experience for exporting. characteristic

Anticorrosion strong, good ductibility, Simple installation.

chemical composition

Main ingredients: C, Si, Ma, S, Mg etc.

metallographic structure

In ferrite and pearlite substrate  has a certain number of spherical graphite,minor-calibe:≤20%, large diameter:about25%

mechanical property

Min tensile strength:420/Mpa;Min yield strength 300/Mpa;Min elongation7%

executive standard

GB/T13295-2003 ISO2531/2003

caliber

DN80-DN1500

advantage

Safe and reliable operation, lower breakage, construction maintenance convenient, quick, anti-corrosion performance is excellent, etc.

shortcoming

Have low stress tolerance.Due to too heavy,must use mechanical.

application

Mainly used in municipal, enterprises water supply and gas transmission, etc.

Interface and coating

1interface cement calking, rubber ring interface.

2 rubber ring material: EPDM

3 coating:internal coating: epoxy resin, polyurethane. Outer coating:PE membrane

Theoretical Weight Table

nominal diameter(mm)	Straight part diameter (mm)	wall thickness (mm)	weight (Kg/m)	Bellmouth  weight (Kg)	total weight (Kg)	total weight/m
100	118	6.1	15.1	4.3	95	15.8
150	170	6.3	22.8	7.1	144	24
200	222	6.4	30.6	10.3	194	32.3
250	274	6.8	40.2	14.2	255	42.5
300	326	7.2	50.8	18.9	323	53.8
350	378	7.7	63.2	23.7	403	67.2
400	429	8.1	75.5	29.5	482	80.3
450	480	8.6	89.3	38.3	575	95.8
500	532	9	104.3	42.8	669	111.5
600	635	9.9	137.3	59.3	882	147
700	738	10.8	173.9	79.1	1123	187.2

  

  

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