1.4903
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Specifications 1.4903 datasheet, 1.4903 Chemical, 1.4903 Properties steelmaking, ESR melted, Blooming, Hot forging, Hot rolling, Heat treatment, Straightening, 100% Ultrasonic test, Cold working, Peeled or rough turned machining. Technical specification EN 10028-2 -2003. We also possess the advanced precision machining equipments for catering for your different special requirements.
TECHNICAL DATA SHEET - BS 1.4903
MATERIAL CATEGORY - Flat products made of steels for pressure purposes
MATERIAL SPECIFICATIONS - EN 10028-2 : 2003
MATERIAL CATEGORY - Flat products made of steels for pressure purposes
MATERIAL SPECIFICATIONS - EN 10028-2 : 2003
OFFICIAL TEST CERTIFICATE - issued by TUV - SGS - BV
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.08 ~ 0.12
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.08 ~ 0.12
Si (%): ≤ 0.50
Mn (％): 0.30 ~ 0.60
P (％)≤: 0.020
S (％)≤: 0.005
Cr (%): 8.00 ~ 9.50
Ni (%): ≤ 0.30
Mo (%): 0.85 ~ 1.05
N (%): 0.030 ~ 0.070
Cu (%): ≤ 0.30
Nb (%): 0.06 ~ 0.10
Ti (%): -
V (%): 0.18 ~ 0.25
MECHANICAL PROPERTIES AND HOT WORKING
Heat condition: + NT
Mechanical property ≥ σb/MPa: 520~700
Mechanical property ≥ σs/MPa: 435
Mechanical property ≥ δ5 (%): 18
Mechanical property ≥ σs/MPa: 435
Mechanical property ≥ δ5 (%): 18
Impact Akv J /-20℃: 27
Impact Akv J / 0℃: 34
Impact Akv J /+20℃: 40
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.
TYPICAL APPLICATIONS
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
PRODUCT PROFILE AND SUPPLYING FORMS
Round bar (Diameter): 5.5mm to 550mm
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: T50 - 400mm X W50 - 1000mm X L1000 - 5000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
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.
TYPICAL APPLICATIONS
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
PRODUCT PROFILE AND SUPPLYING FORMS
Round bar (Diameter): 5.5mm to 550mm
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: T50 - 400mm X W50 - 1000mm X L1000 - 5000mm
Forging piece: stepped shafts with flanks / discs /tubes /slugs /donuts /cubes /other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry, pleased to EMAIL our resident team of qualified production engineers. E-mail: sales@ccsteels.com.
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