55cr3 Spring Steel flat bar

Diameter(mm)

Thickness (mm)

Width (mm)

Length(mm)

Round

1.0-1000

-

-

2000-11800

Square

10-1000

-

-

2000-11800

flat

-

20-800

80-2000

2000-11800

Grade

C

Mn

Si

P

S

Cr

55Cr3

0.52-0.59

0.70-

1.00

0.04

max

0.025 max

0.025 max

0.70-

1.00

Packing details

In seaworthy packing, as your requirement.

Delivery details

within 10-50 days

>>>Heat Treatment:

FORGING:Hot forming temperature: 1050 – 850°C.

SOFT ANNEALING: Heat to 640 – 680°C, cool slowly in furnace. This will produce a maximum Brinell hardness of 248.

HARDENING: Harden from a temperature of 830 – 860°C followed by oil quenching.

TEMPERING: Tempering temperature: 430 – 500°C, air.

>>>Steel Grades

1.7176

55Cr3

SAE

5155

55CrMnA

SUP 9

Mill′s test certificate:

EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.

Application:

Steel grade for laminated springs thickness above 7 mm for trucks and railway vehicles, coiled and threaded springs.