1.3817
2026-02-10 14:30:00 Origin： Remark：0 Click：
Non-magnetic steel X40MnCr18 (1.3817) round bar, flat bar, forging hollow bar X40MnCr18 in stock available, ESR ingot, hot forged & rolled, 1040 ℃ solution annealed, cold drawn
OFFICIAL TEST CERTIFICATE: issued by TUV - SGS - BV
TECHNICAL DATA SHEET - 1.3817
Material category: 18.0Mn - 4.0Cr base nonmagnetic alloy steel
Stock available - diam. bar 20mm ~ 200mm, ESR ingot.
Technical specifications: DIN EN 10090 (1998), DIN 17480 (1992)
Typical chemical compositions (mass fraction %)
Carbon, C (％): 0.30 ~ 0.50
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): 17.0 ~ 19.0
Phosphorus, P (％) ≤: 0.060
Sulfur, S (％) ≤: 0.030
Chromium, Cr (％): 3.00 ~ 5.00
Nickel, Ni (％): ≤ 1.00
Molybdenum, Mo (％): -
Nitrogen, N (％): ≤ 0.10
Silicon, Si (％): ≤ 1.00
Manganese, Mn (％): 17.0 ~ 19.0
Phosphorus, P (％) ≤: 0.060
Sulfur, S (％) ≤: 0.030
Chromium, Cr (％): 3.00 ~ 5.00
Nickel, Ni (％): ≤ 1.00
Molybdenum, Mo (％): -
Nitrogen, N (％): ≤ 0.10
MECHANICAL PROPERTIES UNDER ROOM TEMP.
Hot forming temperature /℃: 1150～950
Heat treatment temperature and cooling method | annealed: -
Heat treatment temperature and cooling method | quenched: 1000～1100 oil / water
Heat treatment temperature and cooling method | tempered: -
Mechanical property | Rm / MPa: 750～950
Mechanical property | Rp0.2 ≥ MPa: 280
Mechanical property | A5 ≥ (％): 35.0
Mechanical property | Z ≥ (％): 40.0
Hot forming temperature /℃: 1150～950
Heat treatment temperature and cooling method | annealed: -
Heat treatment temperature and cooling method | quenched: 1000～1100 oil / water
Heat treatment temperature and cooling method | tempered: -
Mechanical property | Rm / MPa: 750～950
Mechanical property | Rp0.2 ≥ MPa: 280
Mechanical property | A5 ≥ (％): 35.0
Mechanical property | Z ≥ (％): 40.0
METHOD OF MELTING PROCESS
1.3817 alloy steel is generally smelt in electric arc furnace or induction furnace. For higher quality,it should be smelt via technology of vacuum refining and external refining.
PROFILE & DIMENSIONS
Round bar / disc (diameter): 6.0 to 850 mm
Square bar / flat bar: 8 to 600 mm
Round bar / disc (diameter): 6.0 to 850 mm
Square bar / flat bar: 8 to 600 mm
Hollow bar: OD50 ~ 1500 / ID20 ~ 1000, Height 20 ~ 750mm
Length: based on the customer's special requirement.
Length: based on the customer's special requirement.
Heavy / middle plate via hot rolled: T7.0 ~ 300 X W15 ~ 1000 X L1000 ~ 3000 mm
Forging piece: stepped shafts, other different shapes based on OEM.
Forging piece: stepped shafts, 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
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