Specifications

heavy duty lifting chain
1.factory
2.black oxide
3.20mn2
4.iron

                          heavy duty lifting chain                 

heavy duty lifting chain brief introduction

 

Material:	25MnV or 20MN2			23MnNiMoCr54
Standard:	heavy duty lifting chain
Size:	6-34mm
Delivery time:	1x20 GP	2x20 GP	3x20 GP		4x20 GP
	30days	45days	55days		68days
Package:	gunny bags
	iron drums 500kg per drum
	pack as you like
Grade:	G80/g70

 

>>.Sizes 6mm to 22mm, using alloy steel 25MnV or 20MN2,

  Sizes24mm to 42mm using alloy steel 23MnNiMoCr54 importer from Germany

 

>>.Surface:self colored ;painted black; yellow, silver white Galvanized.

black painted: 1.manufacture chains -- 2.varnished with black lacquer/ high bitumen content--3. baked.

>>.Safety factor:4:1

    heavy duty lifting chain spec:

                             GRADE 80 HIGH TEST CHAIN    

      

SIZE	NORMINAL DIAMETER			WIDTH		WEIGHT /M	WORKING LOAD	PROOF TEST(MIN)	BREAKING FORCE(MIIN)
	MM		IN	AMIN	BMAX
6×18	6	7/32		7.5	21	0.79	10	20	45.2
8×24	8	5/16		10	28	1.38	15	30	80.4
10×30	10	3/8		12.5	35	2.2	25	50	125
12×36	12	7/16		15	42	3.1	35	70	181
13×39	13	1/2		16.3	46	3.8	40	80	214
14×42	14	1/2		18	49	4.13	50	100	250
15×46	15	3/5		20	52	5.17	55	110	280
16×48	16	5/8		20	56	5.63	60	120	320
18×54	18	23/32		23	63	6.85	80	160	410
19×57	19	3/4		23.7	63.2	7.7	90	180	450
20×60	20	3/4		25	70	8.6	100	200	500
22×66	22	7/8		28	77	10.2	120	240	610
24×72	24	15/16		32	82	12.78	140	280	720
26×78	26	1		35	91	14.87	170	340	850
30×90	30	19/16		38	105	19.6	220	440	1130
32×96	32	11/4		40	106	22.29	250	500	1286
34×126	34	13/8		42.5	109	22.7	363	870	1450

                                                                    

heavy duty lifting chain  surface treatment                                                                                     

   self-color------------------- black oxidated--------electro galvanized-----yellow galvanized