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EN 10253-4-2003
Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
Material Designation Chemical Composition (%)
1.4307 (X2CrNi18-9)
C Si Mn P S Ni Cr N
Min - - - - - 8 17.5 -
Max 0.03 1 2 0.045 0.015 10 19.5 0.11
1.4306 (X2CrNi19-11)
C Si Mn P S Ni Cr N
Min - - - - - 10 18 -
Max 0.03 1 2 0.045 0.015 12 20 0.11
1.4311 (X2CrNiN18-10)
C Si Mn P S Ni Cr N
Min - - - - - 8.5 17 0.12
Max 0.03 1 2 0.045 0.015 11.5 19.5 0.22
1.4301 (X5CrNi18-10)
C Si Mn P S Ni Cr N
Min - - - - - 8 17 -
Max 0.07 1 2 0.045 0.015 10.5 19.5 0.11
1.4541 (X6CrNiTi18-10)
C Si Mn P S Ni Cr Ti
Min - - - - - 9 17 -
Max 0.08 1 2 0.045 0.015 12 19 0.7
1.4550 (X6CrNiNb18-10)
C Si Mn P S Ni Cr Nb
Min - - - - - 9 17 -
Max 0.08 1 2 0.045 0.015 12 19 1
1.4335 (X1CrNi25-21)
C Si Mn P S Ni Cr N Mo
Min - - - - - 20 24 - -
Max 0.02 0.25 2 0.025 0.01 22 26 0.11 0.2
1.4404 (X2CrNiMo17-12-2)
C Si Mn P S Ni Cr N Mo
Min - - - - - 10 16.5 - 2
Max 0.03 1 2 0.045 0.015 13 18.5 0.11 2.5
1.4401 (X5CrNiMo17-12-2)
C Si Mn P S Ni Cr N Mo
Min - - - - - 10 16.5 - 2
Max 0.07 1 2 0.045 0.015 13 18.5 0.11 2.5
1.4571 (X6CrNiMoTi17-12-2)
C Si Mn P S Ni Cr Mo Ti
Min - - - - - 10.5 16.5 2 -
Max 0.08 1 2 0.045 0.015 13.5 18.5 2.5 0.7
1.4432 (X2CrNiMo17-12-3)
C Si Mn P S Ni Cr N Mo
Min - - - - - 10.5 16.5 - 2.5
Max 0.03 1 2 0.045 0.015 13 18.5 0.11 3
1.4429 (X2CrNiMoN17-13-3)
C Si Mn P S Ni Cr N Mo
Min - - - - - 11 16.5 0.12 2.5
Max 0.03 1 2 0.045 0.015 14 18.5 0.22 3
1.4436 (X3CrNiMo17-13-3)
C Si Mn P S Ni Cr N Mo
Min - - - - - 10.5 16.5 - 2.5
Max 0.05 1 2 0.045 0.015 13 18.5 0.11 3
1.4435 (X2CrNiMo18-14-3)
C Si Mn P S Ni Cr N Mo
Min - - - - - 12.5 17 - 2.5
Max 0.03 1 2 0.045 0.015 15 19 0.11 3
1.4439 (X2CrNiMoN17-13-5)
C Si Mn P S Ni Cr N Mo
Min - - - - - 12.5 16.5 0.12 4
Max 0.03 1 2 0.04 0.015 14.5 18.5 0.22 5
1.4438 (X2CrNiMo18-15-4)
C Si Mn P S Ni Cr N Mo
Min - - - - - 13 17.5 - 3
Max 0.03 1 2 0.04 0.015 16 19.5 0.11 4
1.4563 (X1NiCrMoCu31-27-4)
C Si Mn P S Cu Ni Cr N Mo
Min - - - - - 0.7 30 26 - 3
Max 0.02 0.7 2 0.03 0.01 1.5 32 28 0.11 4
1.4539 (X1NiCrMoCu25-20-5)
C Si Mn P S Cu Ni Cr N Mo
Min - - - - - 1.2 24 19 - 4
Max 0.02 0.7 2 0.03 0.01 2 26 21 0.15 5
1.4547 (X1CrNiMoCuN20-18-7)
C Si Mn P S Cu Ni Cr N Mo
Min - - - - - 0.5 17.5 19.5 0.18 6
Max 0.02 0.7 1 0.03 0.01 1 18.5 20.5 0.25 7
1.4529 (X1NiCrMoCuN25-20-7)
C Si Mn P S Cu Ni Cr N Mo
Min - - - - - 0.5 24 19 0.15 6
Max 0.02 0.5 1 0.03 0.01 1.5 26 21 0.25 7
1.4462 (X2CrNiMoN22-5-3)
C Si Mn P S Ni Cr N Mo
Min - - - - - 4.5 21 0.1 2.5
Max 0.03 1 2 0.035 0.015 6.5 23 0.22 3.5
1.4362 (X2CrNiN23-4)
C Si Mn P S Cu Ni Cr N Mo
Min - - - - - 0.1 3.5 22 0.05 0.1
Max 0.03 1 2 0.035 0.015 0.6 5.5 24 0.2 0.6
1.4410 (X2CrNiMoN25-7-4)
C Si Mn P S Ni Cr N Mo
Min - - - - - 6 24 0.2 3
Max 0.03 1 2 0.035 0.015 8 26 0.35 4.5
1.4501 (X2CrNiMoCuwn25-7-4)
C Si Mn P S Cu Ni Cr N Mo W
Min - - - - - 0.5 6 24 0.2 3 0.5
Max 0.03 1 1 0.035 0.015 1 8 26 0.3 4 1
1.4507 (X2CrNiMoCuN25-6-3)
C Si Mn P S Cu Ni Cr N Mo
Min - - - - - 1 5.5 24 0.15 2.7
Max 0.03 0.7 2 0.035 0.015 2.5 7.5 26 0.3 4
For Reference Only