13 X 39mm Case Hardened GR80 Load Chain
13 X 39mm Case Hardened GR80 Load Chain
13 X 39mm Case Hardened GR80 Load Chain
13 X 39mm Case Hardened GR80 Load Chain

13 X 39mm Case Hardened GR80 Load Chain

EN818-2 case hardened Grade 80 lifting chain is lifting short link chains, with high case hardness HRC42-45 HRC, which is used for transmission purpose. We use high qualified alloy steel to produce G80 chains (Mn alloy steel), all G80 chains will be approved by 6-meter proof load test, breaking link rate is 1/10000, which exceed industrial level 6/10000.

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Product Introduction

Product Description

Chain Material: 20Mn2A, 25MnV, 23MnNiCrMo54 etc

Production standard:EN818-2

Chain grade:G80

Hardness: 42-45HRC

Safety factor:6 meter breaking load test, 2.5 times proof load test, 4 times safety factor.

Surface treatment: black oixde, electroplate, black painted etc

Product Specification of EN818-2 short link chains:

diameter mm	Pitch mm	Outside width mm	Working load limit ton	Proof load KN	Breaking load KN	Weight Kg/m
4	12	13.3	0.488	12.33	19.70	0.35
5	15	17	0.75	19.28	30.8	0.54
6	18	20	1.12	28.3	45.2	0.8
7	21	24	1.5	38.5	61.6	1.1
8	24	27	2	50.3	80.4	1.4
9	27	30	2.49	62.4	99.8	18
10	30	34	3.15	78.5	126	2.2
11	33	37	3.715	93.2	149	2.74
12	36	41	4.41	106.2	177.4	3.24
13	39	45	5.3	133	212	3.8
14	42	48	6	152	242	4.3
16	48	54	8	201	322	5.7
18	54	62.64	10	254	407	7.3
19	57	66	11.37	283	453	8
20	60	70	12.5	314	503	9
22	66	74	15	380	608	10.9