• 1.1209, DIN Cm55, AISI 1055 round bar
  • 1.1209, DIN Cm55, AISI 1055 forging
  • 1.1209, DIN Cm55, AISI 1055 sheet
  • 1.1209, DIN Cm55, AISI 1055 flat bar
  • 1.1209, DIN Cm55, AISI 1055 pipe
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1.1209, DIN Cm55, AISI 1055

We can produce 1.1209, DIN Cm55, AISI 1055 stainless steel round rods, 1.1209, DIN Cm55, AISI 1055 forging,sheet,coil,and profiledstrip,Deformed steel,flat steel,mould,steel wire,have all specifications. With DuoNian production experience, strict control 1.1209, DIN Cm55, AISI 1055 chemical composition and 1.1209, DIN Cm55, AISI 1055 mechanical properties.From casting, forging, steel to hot and cold rolling process, heat treatment, etc, we have the control of professional engineers. We have advanced precision machining equipment, according to the requirements of users machining. in order to achieve the most satisfied with the user requirements.

Production specification

Round bar steel: 1mm to 3500mm
Square-shape steel: 1mm to 4000mm
Plate steel:0.1mm to 4000mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-1800mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirementExcellent service for all kinds of industries,with advantages of technologies, equipment and price.
We serve you with our honesty, integrity, and professionality.

1.1209, DIN Cm55, AISI 1055

Designation by Standards

 

Brand Name LH No. Mat. No. DIN EN AISI
CM55 637 1.1209 Cm55 - 1055



Chemical Composition (in weight %)

C Si Mn Cr Mo Ni V W Others
0.56 max. 0.40 0.75 max. 0.40 max. 0.10 max. 0.40 - - (Cr+Mo+Ni) = max. 0.63

Description
CM55 steel has a higher (0.55%) carbon content for greater strength than the lower carbon alloys. It is hardenable by heat treatment, quench and tempering.

Applications
Steel for springs, for quenched and tempered springs, for surface hardened products like shafts, bushings, crankshafts, etc.

Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.85

Soft Annealing
Heat to 650-6000oC, cool slowly in furnace. Hardness after soft annealing is 229 HB.

Normalizing
Normalizing temperature: 825-865oC.

Hardening
Harden from a temperature of 840-870oC, 850-880oC followed by water or oil quenching.

Tempering
Tempering from the quenched condition may be done at 540-680oC depending upon the strength desired.

Forging
Hot forming temperature: 1100-850oC.

Machinability
Machinability is good, rated at 50% that of the AISI 1112 alloy used as a 100% machining rated steel.

Corrosion Resistance
This is a steel alloy and will rust if not protected. it is not corrosion resistant.

Welding
CM55 steel is weldable by all of the welding methods. However with its higher carbon content it is important to use both pre-heat at 150 to 260oC and post-heat at 590 to 650oC practice per an approved welding procedure.

Cold working
In the annealed state the CM55 alloy is readily cold worked by conventional methods.

Mechanical properties

1.1209, DIN Cm55, AISI 1055 Mechanical properties,Our production completely according to the 1.1209, DIN Cm55, AISI 1055 standards to meet the 1.1209, DIN Cm55, AISI 1055 mechanical performance, can also according to the customer request, to meet the requirements of customers of 1.1209, DIN Cm55, AISI 1055 mechanical properties.

Heat treatment

1.1209, DIN Cm55, AISI 1055 Heat treatment,Our production completely according to the 1.1209, DIN Cm55, AISI 1055 standards to meet the 1.1209, DIN Cm55, AISI 1055 Heat treatment, can also according to the customer request, to meet the requirements of customers of 1.1209, DIN Cm55, AISI 1055 Heat treatment.

Machining

1.1209, DIN Cm55, AISI 1055 Machining,Our production completely according to the 1.1209, DIN Cm55, AISI 1055 standards to meet the 1.1209, DIN Cm55, AISI 1055 Machining, can also according to the customer request, to meet the requirements of customers of 1.1209, DIN Cm55, AISI 1055 Machining.

Welding performance

1.1209, DIN Cm55, AISI 1055 Welding performance,Our production completely according to the 1.1209, DIN Cm55, AISI 1055 standards to meet the 1.1209, DIN Cm55, AISI 1055 Welding performance, can also according to the customer request, to meet the requirements of customers of 1.1209, DIN Cm55, AISI 1055 Welding performance.

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