Precision steel tube DIN2391/EN10305
Application
Cold drawn or cold rolled precision seamless steel tubes for hydraulic pressure and pneumatic services.
For Auto. use,machinery use,oil cylinder tube,motorcycle shock reducer use,auto shock reducer inner cylinder,etc.
Details
size
O.D.: 6.0-650.0mm W.T.: 1.0-65mm Length: Max.12000mm
Steel Grade and Chemical Composition(%)
Standard Grade C≤ Si≤ Mn P≤ S≤
DIN2391 St35 0.17 0.35 ≥0.40 0.025 0.025
St45 0.21 0.35 ≥0.40 0.025 0.025
St52 0.22 0.55 ≤1.60 0.025 0.025
Mechanical Properties
Rm:Tensile Strength(Mpa) ReH:Yield Point(Mpa) A%:Elongation Mpa=N/mm
Standard Grade BK BKW BKS GBK NBK
Rm≥ A%≥ Rm≥ A%≥ Rm≥ ReH≥ A%≥ Rm≥ A%≥ Rm≥ ReH≥ A%≥
DIN2391 St35 480 6 420 10 420 315 14 315 25 340-470 235 25
St45 580 5 520 8 520 375 12 390 21 440-570 235 21
St52 640 4 580 7 580 420 10 490 22 490-630 355 22
Steel Grade and Chemical Composition(%)
Standard Grade C≤ Si≤ Mn≤ P≤ S≤ Al
EN10305 E215 0.10 0.05 0.70 0.025 0.025 ≥0.025
E235 0.17 0.35 1.20 0.025 0.025 /
E355 0.22 0.55 1.60 0.025 0.025 /
Mechanical Properties For EN10305
Rm:Tensile Strength(Mpa) ReH:Yield Point(Mpa) A%:Elongation Mpa=N/mm
Grade Minimum values for the delivery condition(Exclude +N Rm)
+C +LC +SR +A +N
Rm≥ A%≥ Rm≥ A%≥ Rm≥ ReH≥ A%≥ Rm≥ A%≥ Rm ReH≥ A%≥
E215 430 8 380 12 380 280 16 280 30 290-430 215 30
E235 480 6 420 10 420 350 16 315 25 340-480 235 25
E355 640 4 580 7 580 450 10 450 22 490-630 355 22
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KWK Steel Co.,Ltd
Tel:+86-576-88808821
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Http://www.kwksteel.com
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