AISI/SAE 3415
AISI/SAE 3415 steel round bar
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Power generation – turbine fasteners – boiler support rods
Process plant – fasteners
Mechanical gears, gear shaft, main axis, valve rods
Mechanical parts - connecting rods, bolts and nuts
Round bar (Diameter): 0.50mm to 800mm
Square bar / Flat bar: 3mm to 800mm
Length: random length, fixed length or based on the customer's special requirement.
Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X Coil
Heavy/middle plate via hot rolled: T4 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
AISI 3415 is a nickel chromium case hardening steel which is suitable for deep hardening to develop a tough core is suitable for gears, cams rollers available in diameters only. Equivalent to 655M13/EN36
Heat treatment details carburise at 880 / 930°C.
Refine at 850/880°C cool either in air or water.
Harden at 760/780°C then quench in oil.
Temper in oil at temperature of 150/200°C this will alleviate stresses and the risks of cracking.
BS 970 1991
BS 970 1955 EN
AISI/SAE
Werkstoff
GB
655M13
EN36
3415
1.5752
12CrNi3A
CHEMICAL COMPOSITION (WEIGHT %)
| C | Si | Mn | P | S | Cr | Ni | |
| Min. | 0.1 | 0.15 | 0.3 | / | / | 0.6 | 2.75 |
| Max. | 0.2 | 0.3 | 0.6 | 0.04 | 0.05 | 0.95 | 3.25 |
MECHANICAL PROPERTIES AND HOT WORKING
| Mechanical property ≥ σb/Mpa | 930 |
| Mechanical property ≥ σs/Mpa | 685 |
| Mechanical property ≥ δ5 (%) | 11 |
| Mechanical property ≥ ψ (％) | 50 |
|
Hot working temperature /℃
|
1100~850 |
MAIN FEATURES AND MELTING PROCESS
The steels shall be manufactured by melting process EF, LF + EAF+ VD, IFF + ESR Melted. VIM + ESR can be handled by agreement.Forgings may be furnished in one of the following conditions: stress relieving; annealing; solution treatment; solution treatment and ageing; normalizing; normalizing and tempering; or quenching and tempering.
Alloy structural steels are widely used in the filed of ship, vehicle, airplane, guided missile, weapons, railway, bridges, pressure vessel, machine tools, mechanical components with a bigger sectional size and so on.
Power generation – turbine fasteners – boiler support rods
Process plant – fasteners
Mechanical gears, gear shaft, main axis, valve rods
Mechanical parts - connecting rods, bolts and nuts
Multidiameter shafts
Round bar (Diameter): 0.50mm to 800mm
Square bar / Flat bar: 3mm to 800mm
Length: random length, fixed length or based on the customer's special requirement.
Steel strip: T0.20 ~ 3mm X W10 ~ 2000mm X Coil
Heavy/middle plate via hot rolled: T4 - 200mm X W1000- 2500mm X L1000-12000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
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