Grade C Hardened Mining Round Steel Link Chain DIN22252 Standard

As a round steel link chain manufacturer for 30 years, our factory has been staying with and serving the very important period of Chinese chain making industry evolution catering for mining (coal mine in particular), heavy lifting, and industrial conveying requirements on high strength round steel link chains. We don’t stop at being the leading round link chain manufacturer in China (with annual supply over 10,000T), but stick to non-stopping creation and innovation.

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Product Introduction

DIN22252 Standard Link Chain:

Chain Material: 20Mn2A, 25MnV, 20MnNiCrMo54

Production standard:DIN22252-2

Chain grade:Class C

Safety factor:6-meter long proof load test, 4 times safety factor.

Hardness: 40-42HRC

Specification of DIN22252 Standard Round Link Chain:

Chain Diameter mm		Pitch of the Chain link mm		Width		Curve Radius mm		Testing Load kN		Breaking load Min(kN)		Weight kg/m
Chain Diameter mm		Pitch of the Chain link mm		Inside Min.	Outside Max.	Curve Radius mm		Class B	Class C	Class B	Class C	Weight kg/m
10	±0.4	40	±0.5	12	34	15	±2.0	85	100	110	130	1.93
14	±0.4	50	±0.5	17	48	22	±2.0	150	200	200	250	4
18	±0.5	64	±0.6	21	60	28	±2,0	260	330	330	410	6.6
22	±0.7	86	±0.9	26	74	34	±2.0	380	490	490	610	9.5
24	±0.8	86	±0.9	28	79	37	±2.0	460	580	580	720	11.6
26	±0.8	92	±0.9	30	86	40	±2.0	540	680	680	850	13.7
30	±0.9	108	±1.0	34	98	46	±2.0	710	900	900	1130	18
34	±0.9	126	±1.0	38	109	52	±2.0	900	1160	1140	1450	22.7