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高性能螺杆

双合金螺杆

螺纹区域是螺杆上所受到压力最大的地方,其表面的1.5-3mm厚的涂层可以有效的防止磨损和腐蚀。双合金螺杆通过表面喷涂等离子粉末,并且整个螺杆表面进行离子氮化,同时镀硬铬以保护螺杆。

全硬工具钢螺杆
运用PM-HIP合金生产高耐磨性螺杆。由于PM-HIP技术允许更高的合金含量,相对于传统普通钢材所生产的螺杆更具有耐磨性。


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详细介绍

全硬工具钢螺杆技术参数

Essence
material
Norm 
Bezeichnung
Hardness [HRC]
Wear
resistance
Corrosion
resistance
Thermal material expansion
(25 - 400 °C) [1/MK]
Essential alloy elements [Gew.-%]


RT 300°C


Cr V C
R123.6 X230CrVMoW18-6 64 54 • • • • • • 11,7 18,0 6,0 2,3
R123.3 X270CrVMoW17-9 64 54 • • • • • • • 12,1 17,0 9,0 2,7
R123 X220CrVMoW20-4 62 53 • • • • • 11,4 20,0 4,0 2,2


Delivery dimensions Delivery form 
Screws: Ø 14 mm - 70 mm Screws: completely finished according to the customers drawing
PM-HIP steel rods: Ø 25 mm - 70 mm
Herstellungslängen bis zu 4000 mm
PM-HIP steel rods


双合金螺杆技术参数

   FE-Basis
Essence
material
Norm 
description 
Hardness [HRC]
Wear
resistance
Corrosion
resistance
Thermal material expansion
(25 - 400 °C) [1/MK]
Essential alloy elements [Gew.-%]


RT 300°C


Cr V C
EC3 X395VCrWMo16-13 56-59 54 • • • • • • • 12,2 13 16 4,0


   CO-Basis
Essence
material
Norm 
description 
Hardness [HRC]
Wear
resistance
Corrosion
resistance
Thermal material expansion
(25 - 400 °C) [1/MK]
Essential alloy elements [Gew.-%]


RT
300°C
hardened



Cr W Si C
ES6 CoCr28W5 38-41 3 • • • 13,9 28 5 1,5 0,9
ES12 CoCr27W10 45-48 41 • • • • • 12,9 27 10 1,5 2,0
ES1 CoCr33W13 52-56 48 • • • • • • 12,1 33 13 1,2 2,5


   NI-Basis
Essence
material
Norm 
description 
Hardness [HRC]
Wear
resistance
Corrosion
wider-
stand
Thermal material expansion
(25 - 400 °C) [1/MK]
Essential alloy elements 
[Gew.-%]


RT  300°C


Cr Mo W Co B SI C
EP50 NiCr17Mo16 48-52 49 • • • • • • • 11,7 17 16 6 5 1 1,8 1,1
EP50 Plus NiW20Cr14Mo13 51-55 52 • • • • • • • • 11,4 14 13 20 4 0,8 1,5 1,9


material material 
Nr.
Yield strength
Rp0,2
[MPa]
Tensile strength
Rm
[MPa]
Elongation to fraction
A(I=5d)
[%]
Surface hardness
after
ion-nitriding HV5 bei RT
Depth of nitrided zone
[mm]
31CrMoV9 1.8519 780 930 15 720 0,30
X35CrMo17-1 1.4122 470 850 14 1100 0,15
Inconel 625 2.4856 415 870 45 - -


Delivery dimensions Delivery form
Ø 50 mm - 350 mm Screw blanks with armouring, pre-ground
+0,3 mm to nominal dimension
Length max. 9000 mm Screws completely finished according to the customer’s drawing

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