BS 1.7380
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Technical specifications of British standard flat products made of steels for pressure purposes datasheet, BS 1.7380 Chemical compositions, BS 1.7380 Mechanical properties from 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.
MATERIAL TECHNICAL DATA SHEET - BS 1.7380
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 ~ 0.14
CHEMICAL COMPOSITION (WEIGHT %)
C (％): 0.08 ~ 0.14
Si (%): ≤ 0.50
Mn (％): 0.40 ~ 0.80
Mn (％): 0.40 ~ 0.80
P (％)≤: 0.020
S (％)≤: 0.010
Cr (%): 2.00 ~ 2.50
Ni (%): -
Mo (%): 0.90 ~ 1.10
N (%): ≤ 0.012
Cu (%): ≤ 0.30
Nb (%): -
Ti (%): -
V (%): -
MECHANICAL PROPERTIES AND HOT WORKING
Heat condition: + NT
Mechanical property ≥ σb/MPa: 480~630
Mechanical property ≥ σs/MPa: 290
Mechanical property ≥ δ5 (%): 18
Mechanical property ≥ σs/MPa: 290
Mechanical property ≥ δ5 (%): 18
Impact Akv J /-20℃: -
Impact Akv J / 0℃: -
Impact Akv J /+20℃: 31
Heat condition: + QT
Mechanical property ≥ σb/MPa: 450~600
Mechanical property ≥ σs/MPa: 250
Mechanical property ≥ δ5 (%): 17
Mechanical property ≥ σs/MPa: 250
Mechanical property ≥ δ5 (%): 17
Impact Akv J /-20℃: -
Impact Akv J / 0℃: -
Impact Akv J /+20℃: 27
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): 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.
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): 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.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry. pleased to EMAIL our resident team of qualified production engineers. E-mail us: lh.steel@hotmail.com
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