ISO Standard Marine Steel And Aluminum Vertical Ladder For Boat

We are leading supplier of marine outfitting equipment,such as marine steel doors,

marine aluminum door,marine windows,marine hatch cover,marine pilot rope ladder,

embarkation rope ladder,gangway ladder ,bulwark ladder ,Steel Straight Ladder etc.

This Steel Vertical Ladder is in compliance with the requirements of standard

ISO3797-76,and to be used on board for a ship.

No.	Step	Length	Width	Ladder Frame Thickness		Weight(kg)
	Quantity					（Model A）			（Model B）			（Model C）
		L	H	δ	δ1	300	350	400	300	350	400	300	400
		mm				Φ20	Φ20	Φ22	□20	□20	□22	Φ22	Φ22
1	2	600	150	8	10	10.9	11.1	11.8	11.3	11.6	12.5	8.7	9.0
2	3	800	100	8	10	13.3	13.6	14.6	13.9	14.4	15.7	10.0	10.4
3	3	1000	200	8	10	14.9	15.3	16.3	15.5	16.0	17.4	10.9	11.3
4	4	1200	150	8	10	17.3	17.8	19.1	18.1	18.8	20.6	12.2	12.7
5	5	1400	100	8	10	19.7	20.3	22.0	20.7	21.5	23.8	13.6	14.2
6	5	1600	200	8	10	21.3	21.9	23.6	22.4	23.2	25.4	14.4	15.1
7	6	1800	150	8	10	23.7	24.5	26.5	24.8	25.9	28.7	15.7	16.5
8	7	2000	100	8	10	26.1	27.0	29.3	27.6	28.7	31.9	17.0	17.9
9	7	2200	200	8	10	27.8	28.6	30.9	29.2	30.3	33.5	18.1	19.0
10	8	2400	150	8	10	30.2	31.2	33.8	31.8	33.1	36.7	19.4	20.5
11	9	2600	100	8	10	34.6	35.7	38.9	36.5	37.9	41.1	20.7	21.9
12	9	2800	200	8	10	36.2	37.3	40.3	38.1	39.5	43.6	21.6	22.8
13	10	3000	150	10	12	38.6	39.9	43.2	40.7	42.3	46.9	22.9	24.0
14	11	3200	100	10	12	41.0	42.2	46.0	43.3	45.0	50.1	24.2	25.7
15	11	3400	200	10	12	42.7	44.0	47.7	44.9	46.7	51.7	25.1	26.5
16	12	3600	150	10	12	45.1	46.5	50.5	47.5	49.4	54.9	26.4	27.9
17	13	3800	100	10	12	56.4	58.0	62.3	59.0	61.1	67.1	-	-
18	13	4000	200	10	12	58.4	60.0	64.3	61.1	63.1	69.1	-	-
19	14	4200	150	10	12	61.2	62.9	67.6	64.1	66.3	72.7	-	-
20	15	4400	100	10	12	64.0	65.9	70.8	67.1	69.7	76.4	-	-
21	15	4600	200	10	12	66.0	67.9	72.9	69.2	71.5	78.4	-	-
22	16	4800	150	10	12	68.8	70.8	76.1	72.2	74.7	82.0	-	-
23	17	5000	100	10	12	71.7	73.8	79.4	75.2	77.9	85.7	-	-
24	17	5200	200	10	12	73.7	75.8	81.4	77.2	80.0	87.7	-	-
25	18	5400	150	10	12	76.5	78.7	84.7	80.2	83.1	91.3	-	-
26	19	5600	100	10	12	79.3	81.6	88.0	82.3	86.2	95.0	-	-
27	19	5800	200	10	12	81.3	83.7	90.0	85.3	88.3	97.0	-	-
28	20	6000	150	10	12	84.1	86.6	93.3	88.3	91.4	100.6	-	-