DIN Standardized Flanges

DIN Standardized Flanges

DIN - the German Institute for Standardization, is a private organization providing standardization services in Germany.

DIN represents German national interests in Europe and throughout the world. The DIN EN 2527, 25.., 2630, 26.. series of standards cover pressure-temperature ratings, materials, dimensions, tolerances, marking for pipelines for fluid in liquid or gaseous condition.

Flanges Materials DIN

Crosscheck chemical compositions of common materials for DIN flanges, grade or code of which are supposed to be visually identified on bodies in all cases.

MTL Grade Chemical Composition (%)
C Mn P S Si Cr Mo Ni Cu Rest
A234 WPB 0.3 0.29-1.06 0.05 0.058 ≥0.10 0.4 0.15 0.4 0.4 V 0.06
Nb 0.02
A234 WPC 0.35 0.29-1.06 0.05 0.058 ≥0.10 0.4 0.15 0.4 0.4 V 0.06
Nb 0.02
A234 WP1 0.28 0.30-0.90 0.045 0.045 0.10-0.50 - 0.44-0.65 - - -
A234 WP12
CL1
0.05-0.20 0.30-0.80 0.045 0.045 0.6 0.80-1.25 0.44-0.65 - - -
A234 WP12
CL2
0.05-0.20 0.30-0.80 0.045 0.045 0.6 0.80-1.25 0.44-0.65 - - -
A234 WP11
CL1
0.05-0.15 0.30-0.60 0.03 0.03 0.50-1.00 1.00-1.50 0.44-0.65 - - -
A234 WP11
CL2
0.05-0.20 0.30-0.80 0.04 0.04 0.50-1.00 1.00-1.50 0.44-0.65 - - -
A234 WP11
CL3
0.05-0.20 0.30-0.80 0.04 0.04 0.50-1.00 1.00-1.50 0.44-0.65 - - -
A234 WP22
CL1
0.05-0.15 0.30-0.60 0.04 0.04 0.5 1.90-2.60 0.87-1.13 - - -
A234 WP22
CL3
0.05-0.15 0.30-0.60 0.04 0.04 0.5 1.90-2.60 0.87-1.13 - - -
A234 WP5
CL1
0.15 0.30-0.60 0.04 0.03 0.5 4.0-6.0 0.44-0.65 - - -
A234 WP5
CL3
0.15 0.30-0.60 0.04 0.03 0.5 4.0-6.0 0.44-0.65 - - -
A234 WP9
CL1
0.15 0.30-0.60 0.03 0.03 1 8.0-10.0 0.90-1.10 - - -
A234 WP9
CL3
0.15 0.30-0.60 0.03 0.03 1 8.0-10.0 0.90-1.10 - - -
A234 WPR 0.2 0.40-1.06 0.045 0.05 - - - 1.60-2.24 0.75-1.25 -
A234 WP91 0.08-0.12 0.30-0.60 0.02 0.01 0.20-0.50 8.0-9.5 0.85-1.05 0.4 - -
A234 WP911 0.09-0.13 0.30-0.60 0.02 0.01 0.10-0.50 8.5-10.5 0.90-1.10 0.4 - -
A403 WP304 0.08 2 0.045 0.03 1 18.0-20.0 - 8.0-11.0 - -
A403 WP304H 0.04-0.10 2 0.045 0.03 1 18.0-20.0 - 8.0-11.0 - -
A403 WP304L 0.035 2 0.045 0.03 1 18.0-20.0 - 8.0-13.0 - -
A403 WP304LN 0.03 2 0.045 0.03 0.75 18.0-20.0 - 8.0-10.5 - N2 0.10-0.16
A403 WP304N 0.08 2 0.045 0.03 0.75 18.0-20.0 - 8.0-11.0 - N2 0.10-0.16
A403 WP309 0.15 2 0.045 0.03 1 22.0-24.0 - 12.0-15.0 - -
A403 WP310 0.15 2 0.045 0.03 1.5 24.0-26.0 - 19.0-22.0 - -
A403 WP316 0.08 2 0.045 0.03 1 16.0-18.0 2.00-3.00 10.0-14.0 - -
A403 WP316H 0.04-0.10 2 0.045 0.03 1 16.0-18.0 2.00-3.00 10.0-14.0 - -
A403 WP316LN 0.03 2 0.045 0.03 0.75 16.0-18.0 2.00-3.00 11.0-14.0 - N2 0.10-0.16
A403 WP316L 0.035 2 0.045 0.03 1 16.0-18.0 2.00-3.00 10.0-16.0 - -
A403 WP316N 0.08 2 0.045 0.03 0.75 16.0-18.0 2.00-3.00 11.0-14.0 - N2 0.10-0.16
A403 WP317 0.08 2 0.045 0.03 1 18.0-20.0 3.0-4.0 11.0-15.0 - -
A403 WP317L 0.03 2 0.045 0.03 1 18.0-20.0 3.0-4.0 11.0-15.0 - -
A403 WP321 0.08 2 0.045 0.03 1 17.0-20.0 - 9.0-13.0 - Ti 5C-0.7
A403 WP321H 0.04-0.10 2 0.045 0.03 1 17.0-20.2 - 9.0-13.0 - Ti 5C-0.7
A403 WP347 0.08 2 0.045 0.03 1 17.0-20.0 - 9.0-13.0 - Nb+Ta 10C-1.10
A403 WP347H 0.04-0.10 2 0.045 0.03 1 17.0-20.0 - 9.0-13.0 - Nb+Ta 8C-1.00
A403 WP348 0.08 2 0.045 0.03 1 17.0-20.0 - 9.0-13.0 - Ta 0.10
A403 WP348H 0.04-0.10 2 0.045 0.03 1 17.0-20.0 - 9.0-13.0 - Ta 0.10
A420 WPL6 0.3 0.60-1.35 0.035 0.04 0.15-0.30 0.3 0.12 0.4 0.4 Cb 0.02 V 0.08
A420 WPL9 0.2 0.40-1.06 0.03 0.03 - - - 1.60-2.24 0.75-1.25 -
A420 WPL3 0.2 0.31-0.64 0.05 0.05 0.13-0.37 - - 3.2-3.8 - -
A420 WPL8 0.13 0.9 0.03 0.03 0.13-0.37 - - 8.4-9.6 - -
A815 UNS
S31803
0.03 2 0.03 0.02 0.1 21.0-23.0 2.50-3.50 4.50-6.50 - N 0.08-0.20
A105 A105 0.35 0.60-1.05 0.035 0.04 0.10-0.35 0.3 0.12 0.4 0.4 V 0.05 Nb 0.02
A182 F11
CL1
0.05 0.30-0.60 0.03 0.03 0.50-1.00 1.00-1.50 0.44-0.65 - - -
A182 F11
CL2
0.15 0.30-0.80 0.04 0.04 0.50-1.00 1.00-1.50 0.44-0.65 - - -
A182 F11
CL3
.010-0.20 0.30-0.80 0.04 0.04 0.50-1.00 1.00-1.50 0.44-0.65 - - -
A182 F12
CL1
0.10-0.20 0.30-0.60 0.045 0.045 0.5 0.80-1.25 0.44-0.65 - - -
A182 F12
CL2
0.05-0.15 0.30-0.80 0.04 0.04 0.10-0.60 0.80-1.25 0.44-0.65 - - -
A182 F304 0.08 2 0.045 0.03 1 18.0-20.0 - 8.0-11.0 - N 0.10
A182 F304H 0.04-0.10 2 0.045 0.03 1 18.0-20.0 - 8.0-11.0 - -
A182 F304L 0.035 2 0.045 0.03 1 18.2-20.0 - 8.0-13.0 - N 0.10
A182 F316L 0.035 2 0.045 0.03 1 16.8-18.0 2.00-3.00 10.0-15.0 - N 0.10
A182 F317 0.08 2 0.045 0.03 1 18.0-20.0 3.0-4.0 11.0-15.0 - -
A182 F321 0.08 2 0.045 0.03 1 17.0-19.0 - 9.0-12.0 - Ti 5C-0.7
A182 F347 0.08 2 0.045 0.03 1 17.0-20.0 - 9.0-13.0 - Ti 10C-1.10
A53 B 0.3 1.2 0.05 0.045 - 0.4 0.15 0.4 0.4 V 0.08
A106 B 0.3 0.29-1.06 0.035 0.035 ≥0.10 0.4 0.15 0.4 0.4 V 0.08
A106 C 0.35 0.29-1.06 0.035 0.035 ≥0.10 0.4 0.15 0.4 0.4 V 0.08
A312 TP304 0.08 2 0.04 0.03 0.75 18.0-20.0 - 8.0-11.0 - -
A312 TP304H 0.04-0.10 2 0.04 0.03 0.75 18.0-20.0 - 8.0-11.0 - -
A312 TP304L 0.035 2 0.04 0.03 0.75 18.0-20.0 - 8.0-13.0 - -
A312 TP316L 0.035 2 0.04 0.03 0.75 16.0-18.0 2.00-3.00 10.0-15.0 - -
A312 TP321 0.08 2 0.04 0.03 0.75 17.0-20.0 - 9.0-13.0 - Ti 5C-0.7
A335 P5 0.15 0.30-0.60 0.025 0.025 0.5 4.00-6.00 0.45-0.65 - - -
A335 P5b 0.15 0.30-0.60 0.025 0.025 1.00-2.00 4.00-6.00 0.45-0.65 - - -
A335 P5c 0.12 0.30-0.60 0.025 0.025 0.5 4.00-6.00 0.45-0.65 - - Ti 4C-0.7
A335 P9 0.15 0.30-0.60 0.025 0.025 0.50-1.00 8.00-10.00 0.90-1.10 - - -
A335 P11 0.05-0.15 0.30-0.60 0.025 0.025 0.50-1.00 1.00-1.15 0.44-0.65 - - -
A335 P12 0.05-0.15 0.30-0.61 0.025 0.025 0.5 0.80-1.25 0.44-0.65 - - -
A335 P22 0.05-0.15 0.30-0.60 0.025 0.025 0.5 1.90-2.60 0.87-1.13 - - -
A335 P91 0.08-0.12 0.30-0.60 0.02 0.01 0.20-0.50 8.00-9.50 0.85-1.05 0.4 - -
A515 60 0.24 0.98 0.035 0.035 0.13-0.45 - - - - -
A515 65 0.28 0.98 0.035 0.035 0.13-0.45 - - - - -
A515 70 0.31 1.3 0.035 0.035 0.13-0.45 - - - - -
flanges din