HEAT RESISTANT STEEL S41800
2026-10-13 15:42:14 Origin： Remark：0 Click：
Martensitic stainless steel S41800 peeled round bar, flat bar S41800 corrosion resistance steel, and high strength properties, heat treated, cold worked
TECHNICAL DATA SHEET - S41800
Material category: martensitic high content 13Cr - 2.0Ni - 3.0W iron base steel
Technical specification: ASTM A565
Stock in hand: round bar, steel strip, flat bar
Typical chemical compositions (mass fraction - %)
Carbon, C (％): 0.15 ~ 0.20
Silicon, Si (％): ≤ 0.50
Manganese, Mn (％): ≤ 0.50
Phosphorus, P (％) ≤: 0.040
Sulfur, S (％) ≤: 0.030
Chromium, Cr (％): 12.0 ~ 14.0
Nickel, Ni (％): 1.80 ~ 2.20
Molybdenum, Mo (％): ≤ 0.50
Tungsten, W (％): 2.50 ~ 3.50
MECHANICAL PROPERTIES AND HEAT TREATMENT
Condition of heat treatment: annealed
Hardness, HBW: ≤ 311
Condition of heat treatment: HT 981 ~ 1080 air or oil cooled, ≥ 620 X 2h, double tempered
Tensile strength, Rm ≥ MPa: 965
Yield strength, Rp0.2 ≥ MPa: 760
Elongation, A5 ≥ : 15.0
Reduction of area, Z ≥ : 45.0
Hardness, HB: 302 ~ 352
Condition of heat treatment: annealed
Hardness, HBW: ≤ 311
Condition of heat treatment: HT 981 ~ 1080 air or oil cooled, ≥ 620 X 2h, double tempered
Tensile strength, Rm ≥ MPa: 965
Yield strength, Rp0.2 ≥ MPa: 760
Elongation, A5 ≥ : 15.0
Reduction of area, Z ≥ : 45.0
Hardness, HB: 302 ~ 352
TYPICAL APPLICATION
Stainless steel grade S41800 is martensitic type of 13Cr- 3.0W -2.0Ni iron base steel that has good corrosion resistance, high hardness, toughness and strength through final heat treatment - quenched and tempered.
The main applications of steel S41800
Mechanical ducts, heat resistant parts
Fittings, stiffeners
Exhaust struts
Engine braces, nuts, bolts
Turbine exhaust components
Stainless steel grade S41800 is martensitic type of 13Cr- 3.0W -2.0Ni iron base steel that has good corrosion resistance, high hardness, toughness and strength through final heat treatment - quenched and tempered.
The main applications of steel S41800
Mechanical ducts, heat resistant parts
Fittings, stiffeners
Exhaust struts
Engine braces, nuts, bolts
Turbine exhaust components
PROFILE & DIMENSIONS
Round bar, rod, disc (diameter): 6.0 ~ 900 mm
Square bar, flat bar: 10 to 600 mm
Length: random length or based on the customer's special requirement.
Steel strip via cold rolled: T0.5 ~ 3 x W10 ~ 300 x L (or in coil form)
Forging piece: stepped shafts, and other different shapes based on OEM.
Round bar, rod, disc (diameter): 6.0 ~ 900 mm
Square bar, flat bar: 10 to 600 mm
Length: random length or based on the customer's special requirement.
Steel strip via cold rolled: T0.5 ~ 3 x W10 ~ 300 x L (or in coil form)
Forging piece: stepped shafts, and other different shapes based on OEM.
Further, please also check the materials in stock available:
Raw material - steels of blade for steam turbine
XM-25, S45000, GD450, C450
403 ESR, GB8732 type 12Cr12Mo, 10705BA/BB/BC
AISI 616, 422, 1.4935, X20CrMoWV12-1, 10705BU
B50A365B, 403Cb+, 1.4913, X19CrMoVNbN11-1
17-4PH, 630, 1.4542, X5CrNiCuNb16-4, 10705GU/GV/GW
M-152, S64152, 1.4938, X12CrNiMoV12-3, S151D
FV520B, S143, 1.4594, X4CrNiCuMo14-5
X22CrMoV12-1, 1.4923
13Х11Н2B2MФ, AE961W
15-5PH, XM-12, S15500
A286, AISI 660, S66286
10705MBU, 10705AJ
Non-magnetic 18.0% Manganese alloy steel:
1.3813, X40MnCrN19
1.3816, X8MnCrN18-18
1.3817, X40MnCr18
1.3818, X55MnCrN18-4
Raw material - steels of blade for steam turbine
XM-25, S45000, GD450, C450
403 ESR, GB8732 type 12Cr12Mo, 10705BA/BB/BC
AISI 616, 422, 1.4935, X20CrMoWV12-1, 10705BU
B50A365B, 403Cb+, 1.4913, X19CrMoVNbN11-1
17-4PH, 630, 1.4542, X5CrNiCuNb16-4, 10705GU/GV/GW
M-152, S64152, 1.4938, X12CrNiMoV12-3, S151D
FV520B, S143, 1.4594, X4CrNiCuMo14-5
X22CrMoV12-1, 1.4923
13Х11Н2B2MФ, AE961W
15-5PH, XM-12, S15500
A286, AISI 660, S66286
10705MBU, 10705AJ
Non-magnetic 18.0% Manganese alloy steel:
1.3813, X40MnCrN19
1.3816, X8MnCrN18-18
1.3817, X40MnCr18
1.3818, X55MnCrN18-4
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