Cromax 280X is based on a low carbon, microalloyed steel combining high strength with excellent machinability and weldability
For 90 mm, yield and tensile strength are 20% higher than is normal for hard-chrome bars based on low-carbon weldable steel
In comparison with standard products based on grade 20MnV6, the superior properties profile of Cromax 280X offers a number of potential advantages in the design and manufacture of fluid-power cylinders, not the least of which is the possibility to downsize piston rods without loss of load-bearing capacity, thereby reducing not only weight but also cost

Type		Hårdkrommet stempelstang
Chrome layer		Dimensjon >20 mm: Minimum 20 μm Dimensjon <20 mm: 15 μm
Surface roughness		Ra < 0.2 μm (normalt 0,05-0,15 μm) Ry (ISO)/Rmax (DIN) < 1.6 μm (normalt 0,4-1,2 μm)
Straightness		Dimensjon < 30 mm: Max avvik 0,1 mm/0,5 m Dimensjon > 30 mm: Max avvik 0,1 mm/1,0 m
Weldability		Cromax 280X har utmerket sveisbarhet For Ø>90 mm anbefales dog en arbeidstemperatur på 150-200ºC Anbefalt tilsatsmateriale ved metallbuesveising er OK 48.00/38.84 Ved gassmetallsveising anbefales OK 12.64 med beskyttelsesgass 80% Ar og 20% CO2
Delivery lengths		Standardlengde: 6,1+0,1/-0 m Lengde for Ø>18 mm: 5,2+0,2/-0 m Lengde for Ø=40-80 mm: 7,6+0,1/-0 m
Produsenter		Ovako, Heléns, Stelmi, m.fl.