SA-540 type B23
2016-08-17 10:56:58 Origin： Remark：0 Click：
Specifications SA-540 type B23 Round bar, Inventory B23 Flat bar, Forgings SA-540 B23 Steelmaking, ESR melted, Hot forging, Hot rolling, Heat treatment
TECHNICAL DATA SHEET - SA-540 Grade B23
MATERIAL CATEGORY - alloy steel bolting materials for special applications
MATERIAL STANDARDS - SA-540
MATERIAL TYPE - E4340H
OFFICIAL TEST CERTIFICATE - issued by TUV - SGS - BV
CHEMICAL COMPOSITIONS (mass weight - %)
Carbon, C (％): 0.37 ~ 0.44
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.60 ~ 0.95
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): 0.65 ~ 0.95
Nickel, Ni (%): 1.55 ~ 2.00
Molybdenum, Mo (％): 0.20 ~ 0.30
The steels shall be manufactured by melting process EAF + LF + VD, EAF + LF + VD + ESR, IFF + ESR, VIM + VAR Melted and shall be finished by hot-rolled / hot forged / cold finished.
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.
PROFILE AND DIMENSIONS
Round bar & Disc & Rod (diameter): 5.5mm to 850mm
Square bar / flat bar: 10mm to 800mm
Length: random length, fixed length or based on the customer's special requirement.
Steel strip: T0.20 ~ 3mm X W10 ~ 200mm X Coil
Heavy/middle plate via hot rolled: T4 - 200mm X W100 - 1200mm X Lmm
Forging piece: stepped shafts, other different shapes based on OEM.
OFFICIAL TEST CERTIFICATE - issued by TUV - SGS - BV
CHEMICAL COMPOSITIONS (mass weight - %)
Carbon, C (％): 0.37 ~ 0.44
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.60 ~ 0.95
Phosphorus, P (％) ≤: 0.025
Sulfur, S (％) ≤: 0.025
Chromium, Cr (％): 0.65 ~ 0.95
Nickel, Ni (%): 1.55 ~ 2.00
Molybdenum, Mo (％): 0.20 ~ 0.30
Vanadium, V (%): -
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Bar size: 2 inches
Bar size: 2 inches
Tensile strength, Rm ≥ MPa: 830
Yield strength, Rp0.2 ≥ MPa: 726
Elongation, A5 ≥ (%): 15.0
Reduction of area, Z ≥ (％): 50.0
Yield strength, Rp0.2 ≥ MPa: 726
Elongation, A5 ≥ (%): 15.0
Reduction of area, Z ≥ (％): 50.0
Surface hardness: HBW 248 ~ 311
MAIN FEATURES AND MELTING PROCESSThe steels shall be manufactured by melting process EAF + LF + VD, EAF + LF + VD + ESR, IFF + ESR, VIM + VAR Melted and shall be finished by hot-rolled / hot forged / cold finished.
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.
PROFILE AND DIMENSIONS
Round bar & Disc & Rod (diameter): 5.5mm to 850mm
Square bar / flat bar: 10mm to 800mm
Length: random length, fixed length or based on the customer's special requirement.
Steel strip: T0.20 ~ 3mm X W10 ~ 200mm X Coil
Heavy/middle plate via hot rolled: T4 - 200mm X W100 - 1200mm X Lmm
Forging piece: stepped shafts, other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE & SERVICE
If you meet further on any technical enquiry, pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
If you meet further on any technical enquiry, pleased to EMAIL (sales@ccsteels.com) our resident team of qualified production engineers.
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