Corrosion resisting steel 1.4418
2026-08-26 16:01:00 Origin： Remark：0 Click：
1.4418, X4CrNiMo16-5-1, equivalent S165M, a martensitic hardening corrosion resisting steels, gas turbine in the field of aviation, naval vessels and industry.
MARTENSITIC STEEL - W-Nr 1.4418
MATERIAL CATEGORY - martensitic and precipitation hardening corrosion resisting steels
STOCK IN HAND - round bar 16 ~ 200mm
MATERIAL SPECIFICATIONS - DIN 17445,17440, DIN EN 10088-1, 10297,10272,10312
TYPICAL CHEMICAL COMPOSITIONS (mass weight - %)
Carbon, C (％): ≤ 0.06
Silicon, Si (％): ≤ 0.70
Manganese, Mn (％): ≤ 1.50
Phosphorus, P (％)≤: 0.040
Sulfur, S (％)≤: 0.030
Chromium, Cr (％): 15.0 ~ 17.0
Nickel, Ni (％): 4.00 ~ 6.00
Molybdenum, Mo (％): 0.80 ~ 1.50
Silicon, Si (％): ≤ 0.70
Manganese, Mn (％): ≤ 1.50
Phosphorus, P (％)≤: 0.040
Sulfur, S (％)≤: 0.030
Chromium, Cr (％): 15.0 ~ 17.0
Nickel, Ni (％): 4.00 ~ 6.00
Molybdenum, Mo (％): 0.80 ~ 1.50
Nitrogen, N (％): ≥ 0.020
MECHANICAL PROPERTIES FINAL HEAT TREATMENT
Condition: annealed
Tensile strength, Rm / MPa: 1100 max.
Yield stength, Rp0.2 ≥ MPa: -
Elongation, A5 ≥ (％): -
Reduction of Area, Z ≥ (％): -
Elongation, A5 ≥ (％): -
Reduction of Area, Z ≥ (％): -
Impact, Akv ≥ J: -
Hardness HBW: 320 max.
MECHANICAL PROPERTIES ABOVE ROOM TEMPERATURE
Heat treatment temperature and cooling methods | annealing: 600~640 air cooled
Heat treatment temperature and cooling methods | quenching: 950~1050 air/oil cooled
Heat treatment temperature and cooling methods | tempering: 550~620
Condition: heat treatment
High temperature yield strength σ0. 2 /MPa ≥ MPa，at below temp ℃, 100: 520
High temperature yield strength σ0.2 / MPa ≥ MPa，at below temp ℃, 200: 500
High temperature yield strength σ0.2 / MPa ≥ MPa，at below temp ℃, 200: 500
High temperature yield strength σ0.2 / MPa ≥ MPa，at below temp ℃, 300: 480
High temperature yield strength σ0.2 / MPa ≥ MPa，at below temp ℃, 400: -
High temperature yield strength σ0.2 / MPa ≥ MPa，at below temp ℃, 400: -
High temperature yield strength σ0.2 / MPa ≥ MPa，at below temp ℃, 500: -
Heat treatment temperature and cooling methods | annealing: 600~640 air cooled
Heat treatment temperature and cooling methods | quenching: 950~1050 air/oil cooled
Heat treatment temperature and cooling methods | tempering: 550~620
Condition: heat treatment
High temperature yield strength σ0.2/MPa ≥ MPa，at below temp, 100: 600
High temperature yield strength σ0.2/MPa ≥ MPa，at below temp, 200: 620
High temperature yield strength σ0.2/MPa ≥ MPa，at below temp, 200: 620
High temperature yield strength σ0.2/MPa ≥ MPa，at below temp, 300: 580
High temperature yield strength σ0.2/MPa ≥ MPa，at below temp, 400: -
High temperature yield strength σ0.2/MPa ≥ MPa，at below temp, 400: -
High temperature yield strength σ0.2/MPa ≥ MPa，at below temp, 500: -
The alloy is usually produced by AOD, VOD, EAF followed by electroslag refining (ESR) / VAR if necessary for special purpose.Bars and, where applicable, forgings are subjected to ultrasonic examination based on the different levels according to the buyers' requirements.
Bars are usually supplied black/bright in the annealed condition.
Final heat treatment: quenched and tempered, + SRA.
Bars are usually supplied black/bright in the annealed condition.
Final heat treatment: quenched and tempered, + SRA.
PRODUCT PROFILE & DIMENSIONS
Round bar, rod, disc (diameter): 6.0 to 900 mm
Square bar, flat bar: 10 to 600 mm
Round bar, rod, disc (diameter): 6.0 to 900 mm
Square bar, flat bar: 10 to 600 mm
Length: random length or based on the customer's special requirement.
Heavy/middle plate via hot rolled: T6 ~ 400 X W100 ~ 1000 X L1000 ~ 4000 mm
Sheet steel via cold rolled: T1.5 ~ 6 X W100 ~ 1000 X L1000 ~ 2000 mm
Steel strip via cold rolled: T0.50 ~ 3 X W15 ~ 200 X L (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 (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.
Hot search：1.4418
Previous page：X4CrNiMo16-5-1
Last page：X2CrNiMoV13-5-2
