We could produce 1.8070 Forged forging Steel Round Bars Rods Square rectangle rectangle Flat Bars,1.8070 Forged Forging Steel Hollow Bars Forged Forging Sleeves Bushes Bushing Pipes Piping tube tubings barrels Casing Cases Shells cylinders hubs housings,1.8070 Seamless Rolled Steel Rings Forged Forging Steel rings,1.8070 Forged Forging Steel Blocks Discs Disks Plates ,1.8070 Forging forged steel roller rolls shafts spindles,1.8070 Forged Forging Steel Steam Turbine Rotor shafts 1.8070 Turbine forging forged generator Bolts blades,1.8070 Forged Forging forge Steel slav continuous cast casting roll caster rollers,1.8070 Forged Forging Steel Casting Dummy Bars Heads and other 1.8070 forged forging parts forged forging pieces forged forging steel components as per the requirement of the clients
We use EAF + LF + VD melting methods to melt the material of 1.8070
As per heat treatment of 1.8070 forged parts, We could do anealed, normalized, hardening and tempering as per the needs of the clients.
Chemical Composition (in weight %)
C |
Si |
Mn |
Cr |
Mo |
Ni |
V |
W |
Others |
0.21 |
0.45 |
0.45 |
1.35 |
1.10 |
max. 0.30 |
0.30 |
- |
- |
Soft Annealing
Heat to 650-740
oC, cool slowly.
Hardening
Harden from a temperature of 900-950
oC followed by oil or air quenching.
Tempering
Tempering temperature: 680-740
oC.
Mechanical Properties in Quenched and Tempered Condition
Diameter (mm) |
0.2 proof stress (N/mm2) |
Tensile stregth (N/mm2) |
Elongation (%) |
Reduction (%) |
Notch impact energy (ISO-V) (J) |
Up to 160 |
540 |
690-830 |
16 |
- |
55 |
0.2 Proof Stress (N/mm2) vs. Temperature (oC)
200oC |
300oC |
400oC |
500oC |
510 |
481 |
431 |
373 |
1% Creep Limit (N/mm2) vs. Temperature (oC)
Hours |
450oC |
500oC |
540oC |
10 000 |
353 |
235 |
120 |
100 000 |
275 |
167 |
68 |
Creep Rapture Strength (N/mm2) vs. Temperature (oC)
Hours |
450oC |
500oC |
540oC |
10 000 |
441 |
304 |
180 |
100 000 |
343 |
211 |
102 |
Forging
Hot forming temperature: 1100-850
oC.