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X35 ST +

100% martensitic stainless steel, the X35 ST+ is developed for the manufacture of watch movement components. It offers excellent skills for bar turning, cutting, polishing and rolling. The X35 ST+ can replace traditional stainless steel as well as leaded and lead-free steels, and will also offer very good corrosion resistance.

Main fields of application of X35 ST +

Many diverse and varied components are now prescribed in X35 ST+ by watch manufacturers: screws, screw feet, studs, winding rods, nucleus, ratchet, barrel shaft, second pinion, balance pin, pins, various other pinions and pins.

Chemical composition of X35 ST +

C 0.50 max S 0.15 min
Mn 1.50 max Cr 12 - 14
P 0.06 max Mo 0.60 max

Mechanical properties of X35 ST +

before heat treatment   after heat treatment  
Hardness: approx. 220 HV Hardness: 670 -700 HV (58-60) HRC
Rm: approx. 820 N/mm² Possible: 550-580 HV (with adapted
Rp0.2: approx. 740 N/mm²   tempering temperature)

Delivery program

Round bars drawned < ø 2.00 mm h6

Round bars grounded  ø 2.00 mm - 8.00 mm h6

 Round bars grounded ø 10.00 mm - 20.00 mm h8

Bars Lg = 3000 - 3050 mm

Further sizes available upon request.

Material Outlet by Hempel

ECONOXX.com offers buyers a new and uncomplicated procurement channel, which also includes small quantities and materials in special alloys at favourable conditions.

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Product Count

Coil (36)

Coil slit strip (26)

Coil slit strip Coil slit strip
26

Sheets & plates (1688)

Sheets & plates Sheets & plates
1688

Tubes round (79)

Tubes round Tubes round
79

Full material square-cut (18)

Full material square-cut Full material square-cut
18

Tubes quadratic or rectangular (3)

Tubes quadratic or rectangular Tubes quadratic or rectangular
3

Hexagon-Shape (13)

Hexagon-Shape Hexagon-Shape
13

U-Shape (1)

U-Shape U-Shape
1

Wire Coil (3)

Wire Coil Wire Coil
3

Flat Steel (9)

Flat Steel Flat Steel
9

Cuts, fittings, other shapes (21)

Cuts, fittings, other shapes Cuts, fittings, other shapes
21

Disk (3)

Round bars (269)

Round bars Round bars
269

Ingots &#34;square&#34; (8)

Ingots &#34;square&#34; Ingots "square"
8

Contact us

Jérôme Evrard
Jérôme Evrard
Division Manager Watch Industry

Request offer at detailpage

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