2S140 / S140
2025-11-05 22:43:00 Origin： Remark：0 Click：
Description S140 flat bar, supplier 2S140 Ring forging, round Bar, wire rod, sheet - Electroslag melting, bloomed, Ultrasonic test, Hot forged, rolled, heat treated
TECHNICAL DATASHEET - BS 2S140
Official test report: issued by TUV - SGS - BV
Material category: aircraft "S" series alloy structural steel
Type of steel: Cr - Ni - Mo series steel
Melting process way: consumable electrode remelted
H S code for customs - 7228 4000 / 7228 5000 / 7228 6000
Typical chemical compositions (mass fraction %)
Typical chemical compositions (mass fraction %)
Carbon, C (％): 0.27 ~ 0.35
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.45 ~ 0.70
Phosphorus, P (％): ≤ 0.035
Sulfur, S (％): ≤ 0.030
Chromium, Cr (％): 0.50 ~ 0.80
Silicon, Si (％): 0.15 ~ 0.35
Manganese, Mn (％): 0.45 ~ 0.70
Phosphorus, P (％): ≤ 0.035
Sulfur, S (％): ≤ 0.030
Chromium, Cr (％): 0.50 ~ 0.80
Nickel, Ni (%): 2.30 ~ 2.80
Molybdenum, Mo (％): 0.45 ~ 0.65
Molybdenum, Mo (％): 0.45 ~ 0.65
Equal to: -
TYPICAL MECHANICAL PROPERTIES
Tensile strength, σb / MPa: 980 ~ 1270
Yield strength, σs / MPa: 685
Elongation, δ5 (％)≥: 10.0
Impact strength, AKv/ J (DVM-V form sampling): -
Impact strength, AKv/ J (DVM-V form sampling): -
Hardness HBS: 240 min.
AVAILABLE FORMS & DIMENSIONS
Round bar (diameter): 6.0 to 500 mm
Wire rod (diameter): 3 to 16 mm
Square bar / flat bar: 3 to 650 mm
Length: random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 ~ 200 X W10 ~ 1200 X L1000 ~ 12000 mm
Sheet steel via cold rolled: T0.5 ~ 6 X W6 ~ 1000 X L1000 - 2000 mm
Steel strip via cold rolled: T0.3 ~ 3 X W5 ~ 200 X L mm (or in coil form)
Forging piece: stepped shafts, and other different shapes based on OEM.
AVAILABLE FORMS & DIMENSIONS
Round bar (diameter): 6.0 to 500 mm
Wire rod (diameter): 3 to 16 mm
Square bar / flat bar: 3 to 650 mm
Length: random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 ~ 200 X W10 ~ 1200 X L1000 ~ 12000 mm
Sheet steel via cold rolled: T0.5 ~ 6 X W6 ~ 1000 X L1000 - 2000 mm
Steel strip via cold rolled: T0.3 ~ 3 X W5 ~ 200 X L mm (or in coil form)
Forging piece: stepped shafts, and other different shapes based on OEM.
TECHNICAL SALES ASSISTANCE
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.
Jiangyou Longhai Special Steel Co.,Ltd
ISO 9001-2015 Certified
Raw material stock available
Custom 450 / XM-25 / S45000, 403 ESR, AISI 616 / 422 ESR, B50A365 / 403Cb+
17-4PH / 630, M-152 / 1.4938 / S151 / S159, S111, FV520B / S143 / 1.4594
X8CrMnN18-18, X40MnCrN19, X40MnCr18, X55MnCrN18-4
13Х11Н2B2MФ / AE961W, 11Х11Н2B2MФ / 16Х11Н2B2MФ
15-5PH / XM-12 (S15500), A-286 AISI 660 / S66286
10705BU, 10705MBU, 10705AJ
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