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EN10253-2 90° Elbow 3D 323.9x7.1 P265GH Type B |
1. Chemical requirements for carbon steel EN10253-2 pipe fittings.
GRADE
|
P235TR2
1.0255 |
P265TR2
1.0259 |
P235GH
1.0345 |
P265GH
1.0425 |
P355N
1.0562 |
P355NH
1.0565 |
P355NL1
1.0566 |
P215NL
1.0451 |
P265NL
1.0453 |
ELEMENT
|
|||||||||
C
|
0.16
|
0.20
|
0.16
|
0.20
|
0.20
|
0.20
|
0.18
|
0.15
|
0.20
|
Si
|
0.35
|
0.40
|
0.35
|
0.40
|
0.50
|
0.50
|
0.50
|
0.35
|
0.40
|
Mn
|
1.20
|
1.40
|
1.20
|
1.40
|
0.90~1.70
|
0.90~1.70
|
0.90~1.70
|
0.40~1.20
|
0.60~1.40
|
P
|
0.025
|
0.025
|
0.025
|
0.025
|
0.025
|
0.025
|
0.025
|
0.025
|
0.025
|
S
|
0.020
|
0.020
|
0.020
|
0.020
|
0.020
|
0.020
|
0.020
|
0.020
|
0.020
|
Al
|
≥ 0.020
|
≥ 0.020
|
≥ 0.020
|
≥ 0.020
|
≥ 0.020
|
≥ 0.020
|
≥ 0.020
|
≥ 0.020
|
≥ 0.020
|
Cr
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
Cu
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
Mo
|
0.08
|
0.08
|
0.08
|
0.08
|
0.08
|
0.08
|
0.08
|
0.08
|
0.08
|
Nb
|
0.01
|
0.01
|
0.01
|
0.01
|
0.05
|
0.05
|
0.05
|
0.10
|
0.10
|
Ni
|
0.30
|
0.30
|
0.30
|
0.30
|
0.50
|
0.50
|
0.50
|
0.30
|
0.30
|
Ti
|
0.04
|
0.04
|
0.04
|
0.04
|
0.04
|
0.04
|
0.04
|
0.04
|
0.04
|
V
|
0.02
|
0.02
|
0.02
|
0.02
|
0.10
|
0.10
|
0.10
|
0.02
|
0.02
|
Others
|
*A
|
*A
|
*A
|
*A
|
*B
|
*B
|
*B
|
-
|
-
|
*All values are in % by mass for cast analysis.
*A denotes that the content of Cr+Cu+Mo+Ni by mass is no larger than 0.70%.
*B denotes that the content of Nb+Ti+V by mass is no larger than 0.12% while N ≤ 0.02%.
*The carbon steels are mainly used for pressure purpose at room temperatures.
2. Chemical requirements for Cr-Mo alloy steel EN10253-2 pipe fittings.
GRADE
|
16Mo3
1.5415 |
10CrMo5-5
1.7338 |
13CrMo4-5
1.7335 |
10CrMo9-10
1.7380 |
X11CrMo5
1.7362 |
X11CrMo9-1
1.7386 |
X10CrMoVNb9-1
1.4903 |
ELEMENT
|
|||||||
C
|
0.12~0.20
|
0.15
|
0.10~0.17
|
0.08-0.14
|
0.08-0.15
|
0.08-0.15
|
0.08~0.12
|
Si
|
0.35
|
0.50~1.00
|
0.35
|
0.50
|
0.15~0.50
|
0.25~1.00
|
0.20~0.50
|
Mn
|
0.40~0.90
|
0.30~0.60
|
0.40~0.70
|
0.30~0.70
|
0.30~0.60
|
0.30~0.60
|
0.30~0.60
|
P
|
0.025
|
0.025
|
0.025
|
0.025
|
0.025
|
0.025
|
0.020
|
S
|
0.020
|
0.020
|
0.020
|
0.020
|
0.020
|
0.020
|
0.010
|
Al
|
≤ 0.040
|
≤ 0.040
|
≤ 0.040
|
≤ 0.040
|
≤ 0.040
|
≤ 0.040
|
≤ 0.040
|
Cr
|
0.30
|
1.00~1.50
|
0.70~1.15
|
2.00~2.50
|
4.00~6.00
|
8.00~10.00
|
8.00~9.50
|
Cu
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
Mo
|
0.25~0.35
|
0.45~0.65
|
0.40~0.60
|
0.90~1.10
|
0.45~0.65
|
0.90~1.10
|
0.85~1.05
|
Nb
|
-
|
-
|
-
|
-
|
-
|
-
|
0.06~0.10
|
Ni
|
0.30
|
0.30
|
0.30
|
0.30
|
-
|
-
|
0.40
|
Ti
|
-
|
-
|
-
|
-
|
-
|
-
|
-
|
V
|
-
|
-
|
-
|
-
|
-
|
-
|
0.18~0.25
|
Others
|
-
|
-
|
-
|
-
|
-
|
-
|
N : 0.030-0.070
|
*All values are in % by mass for cast analysis.
*The Cr-Mo alloy steels are mainly used for pressure purpose at elevated temperature.
3. Chemical requirements for nickel alloy steel EN10253-2 pipe fittings.
GRADE
|
12Ni14
1.5637 |
X10Ni9
1.5682 |
ELEMENT
|
||
C
|
0.15
|
0.13
|
Si
|
0.15~0.35
|
0.15~0.35
|
Mn
|
0.30~0.80
|
0.30~0.80
|
P
|
0.025
|
0.020
|
S
|
0.010
|
0.010
|
Al
|
-
|
-
|
Cr
|
-
|
-
|
Cu
|
0.30
|
0.30
|
Mo
|
-
|
0.10
|
Nb
|
-
|
-
|
Ni
|
3.25~3.75
|
8.50~9.50
|
Ti
|
-
|
-
|
V
|
0.05
|
0.05
|
Others
|
-
|
-
|
*All values are in % by mass for cast analysis.
*The nickel alloy steels are mainly used for pressure purpose at low temperatures.
4. Chemical requirements for line-pipe high yield EN10253-2 pipe fittings.
GRADE
|
L290NB
1.0484 |
L360NB
1.0582 |
L360QB
1.8948 |
L415NB
1.8972 |
L415QB
1.8947 |
L450QB
1.8952 |
ELEMENT
|
||||||
C
|
0.17
|
0.20
|
0.16
|
0.21
|
0.16
|
0.16
|
Si
|
0.40
|
0.45
|
0.45
|
0.45
|
0.45
|
0.45
|
Mn
|
1.20
|
1.60
|
1.40
|
1.60
|
1.60
|
1.60
|
P
|
0.025
|
0.025
|
0.025
|
0.025
|
0.025
|
0.025
|
S
|
0.020
|
0.020
|
0.020
|
0.020
|
0.020
|
0.020
|
Al
|
0.015~0.060
|
0.015~0.060
|
0.015~0.060
|
0.015~0.060
|
0.015~0.060
|
0.015~0.060
|
Cr
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
Cu
|
0.25
|
0.25
|
0.25
|
0.25
|
0.25
|
0.25
|
Mo
|
0.10
|
0.10
|
0.10
|
0.10
|
0.10
|
0.10
|
Nb
|
0.05
|
0.05
|
0.05
|
0.05
|
0.05
|
0.05
|
Ni
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
0.30
|
Ti
|
0.04
|
0.04
|
0.04
|
0.04
|
0.04
|
0.06
|
V
|
0.05
|
0.15
|
0.05
|
0.15
|
0.08
|
0.09
|
Others
|
*C
|
*D
|
*C
|
*E
|
*F
|
*D
|
*All values are in % by mass for cast analysis.
*Used for the connention with API 5L line pipes. The correlations are:
L290NB - X42N, L360NB - X52N, L360QB - X52Q, L415NB - X60N,
L415QB - X60Q, L450QB - X65Q.
*C: N ≤ 0,012, CEV ≤ 0,42; D: N ≤ 0,012, V+Nb+Ti ≤ 0,15, CEV ≤ 0,45;
E: N ≤ 0,012, V+Nb+Ti ≤ 0,15; F: N ≤ 0,012, V+Nb+Ti ≤ 0,15, CEV ≤ 0,43.