RUD stainless steel chains

RUD offers the right chain for a wide range of applications. For applications with high demands on rust and acid resistance, RUD stainless steel chains offer a high degree of flexibility for manual and motor-driven hoists. All rust and acid-resistant chains are designed and produced in accordance with DIN 5684 Part 1 and Part 2.

Special features of RUD stainless steel chains

  • Rust and acid resistant
  • From 4 mm to 16 mm chain diameter
  • Similar to DIN 5684 part 1 and part
  • Grade P: RPA and grade S: RSA
  • Without heat treatment
Dimension [mm] Grade Carrying capacity Ftr [kg] by drive unit group Carrying capacity Ftr [kg] by drive unit group Carrying capacity Ftr [kg] by drive unit group Carrying capacity Ftr [kg] by drive unit group Carrying capacity Ftr [kg] by drive unit group Production test force Breaking force Weight Material number
    Hand (1Dm) M3 (1Bm) M4 (1Am) M5 (2m) M6 (3m) FFPmin [kN] FBmin [kN] [kg/m]  
    Bearing stress: ≤ 07 mm = 160 N/mm² ≤ 08 mm = 125 N/mm² Bearing stress: ≤ 07 mm = 125 N/mm² ≤ 08 mm = 100 N/mm² Bearing stress: ≤ 07 mm = 110 N/mm² ≤ 08 mm = 90 N/mm² Bearing stress: ≤ 07 mm = 100 N/mm² ≤ 08 mm = 80 N/mm² Bearing stress: ≤ 07 mm = 90 N/mm² ≤ 08 mm = 70 N/mm²        
    Safety factor: 4 Safety factor: 5 Safety factor: 5.7 Safety factor: 6.4 Safety factor: 7.1        
4 x 12 S 400 320 280 250 230 10 16 0.35 54079
5 x 15 S 630 500 440 400 360 16 25 0.54 54100
6 x 18 S 900 720 630 570 210 22 36 0.78 54333
6.3 x 19.1 S 1010 790 700 635 570 25 40 0.86 53998
7 x 21 S 1250 1000 860 780 700 32 50 1.10 54130
8 x 24 P 1250 1000 920 820 710 32 50 1.40 58778
9 x 27 P 1600 1250 1160 1000 900 40 63 1.80 58779
10 x 28 P 2000 1600 1440 1250 1120 50 80 2.20 58780
10 x 30 P 2000 1600 1440 1250 1120 50 80 2,30 52303
11.3 x 31 P 2500 2000 1800 1600 1400 63 100 2.85 7984841
13 x 36 P 3350 2650 2430 2100 1890 85 132 3.80 58784
16 x 45 P 5000 400 3680 3270 2860 125 200 5.70 7988746

Grade RPA and RSA

Drive unit group ISO 4301-1 (FEM 9.511) Nominal stress [N/mm ²] Nominal stress [N/mm ²] Limit stress [N/mm ²] Limit stress [N/mm ²]
  RPA RSA RPA RSA
M1 (1Dm) 125 160 187.5 240
M2 (1Cm) 100 125 138 175
M3 (1Bm) 100 125 125 160
M4(1Am) 90 112 112 140
M5 (2m) 80 100 100 125
M6 (3m) 70 90 90 112
M7 (4m) 60 80 80 100
M8 (5m) 55 70 70 90
Quality and designation Version DAT     Grade P RPA Grade S RSA
Material   AISI 316   AISI 316
Production test stress σFPmin N/mm ² 315 400
Breaking stress σBmin N/mm ² 500 630
Elongation at break Amin % 15 15
Surface hardness in the joint d≤6.5 ⌀ d ≥7 ⌀ HV 5 HV 10 approx. 250 approx. 250

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