1.7703
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Specification 1.7703 datasheet, 1.7703 Chemical, 1.7703 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 - DIN 1.7703
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 (％): 0.11 ~ 0.15
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.11 ~ 0.15
Si (%): ≤ 0.10
Mn (％): 0.30 ~ 0.60
Mn (％): 0.30 ~ 0.60
P (％)≤: 0.015
S (％)≤: 0.005
Cr (%): 2.00 ~ 2.50
Ni (%): ≤ 0.20
Mo (%): 0.90 ~ 1.10
N (%): ≤ 0.012
Cu (%): ≤ 0.20
Nb (%): ≤ 0.07
Ti (%): ≤ 0.03
V (%): 0.25 ~ 0.35
B (%): ≤ 0.002
Ca (%): ≤ 0.015
MECHANICAL PROPERTIES AND HOT WORKING
Heat condition: + NT
Mechanical property ≥ σb/MPa: 590 ~ 770
Mechanical property ≥ σs/MPa: 435
Mechanical property ≥ δ5 (%): 18.0
Mechanical property ≥ σs/MPa: 435
Mechanical property ≥ δ5 (%): 18.0
Impact Akv J /-20℃: 27
Impact Akv J / 0℃: 34
Impact Akv J /+20℃: 40
Heat condition: + QT
Mechanical property ≥ σb/MPa: 580 ~ 760
Mechanical property ≥ σs/MPa: 415
Mechanical property ≥ δ5 (%): 18
Mechanical property ≥ σs/MPa: 415
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 500mm
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 ~ 1000mm X Coil
Heavy/middle plate via hot rolled: T60 - 400mm X W100 - 1000mm X L1000-12000mm
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 500mm
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 ~ 1000mm X Coil
Heavy/middle plate via hot rolled: T60 - 400mm X W100 - 1000mm X L1000-12000mm
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.
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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