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ASTM vs. EN Pipe Specifications

An overview of the most common ASTM and EN/DIN pipe specifications, material grades within each specification, and, when possible, the equivalent grades between ASTM vs. EN pipe grades.

CARBON STEEL PIPES

Application Pipe Specifications Material Grades
High-temperature Carbon Steel EN 10225 S355G15, S460G6
BS 7191 355EM
API 5L Grade B, X42, X52, X56, X60, X65, X70, X80, X100
ASTM A519 SAE 4130, 4140
ASTM/ASME A/SA53 Grade A, B
ASTM A252 Grade 2, 3
Line Pipe CSA Z245.1 359, 414, 448, 483
ASTM/ASME A/SA53 Grade A, B
ASTM/ASME A/SA106 Grade B, C
ASTM A252 Class 2, 3
EN 10216-2 Seamless P235GH (1.0345) / P265 GH (1.0425)
EN 10217-5 Welded P235GH (1.0345)  / P265GH (1.0425)
Low temperature ASTM/ASME A/SA333 P215NL (1.0451)
EN 10216-3
P355N (1.0562)
P355NH (1.0565)
P355NL1 (1.0566)
P275NL1 (1.0488)
P275NL2 (1.1104)
L290NB (1.0484)
L360NB (1.0582)
ASTM/ASME A/SA 671/672 Grade 60, 65, 70

ALLOY STEEL PIPES

Application Pipe Specifications Material Grades
Alloy Steel Pipe (High Pressure/Temperature) ASTM/ASME A/SA 335 P1, P5, P9, P11, P22, P91, P92
ASTM/ASME A/SA 691 1-1/4CR, 2-1/4CR, 5CR, 9CR, 91
EN 10216-2 Seamless 16Mo3 (1.5415)
13CrMo4-5 (1.7335)
10CrMo9-10 (1.7380)
11CrMo9-11 (1.7383)
X10CrMoVnb9-1 (1.4903)
X10CrWMoVnb9-2 (1.4901)
WB36 – 15NiCuMoNb5-6-4 (1.6368)
10CrMo5-5 (1.7338)14MoV6-3 (1.7715)
EN 10217-5 Welded 16Mo3 (1.5415)
13CrMo4-5 (1.7335)
10CrMo9-10 (1.7380)
11CrMo9-11 (1.7383)
X10CrMoVnb9-1 (1.4903)
X10CrWMoVnb9-2 (1.4901)
WB36 – 15NiCuMoNb5-6-4 (1.6368)
10CrMo5-5 (1.7338)14MoV6-3 (1.7715)

STAINLESS STEEL PIPES

Pipe Specifications ASTM Grade UNS Equivalent EN Equivalent Werkstoff Equivalent
ASTM A312/358 & EN 10216-2 Seamless / EN 10217-5 Welded 304 S30400 X5CrNi18-10 1.4301
304L S30403 X2CrNi19-11 1.4306
304H S30409 X6CrNi18-11 1.4948
310 S31000 X15CrNiSi25-21 1.4841
310S S31008 X8CrNi25-21 1.4845
316 S31600 X5CrNiMo17-12-2 1.4401
316L S31603 X2CrNiMo17-2-2 1.4404
316Ti S31635 X6CrNiMoTi17-12-2 1.4571
321 S32100 X6CrNiTi18-10 1.4541
321H S32109 X8CrNiTi18-10 1.4878
347 S34700 X6CrNiNb18-10 1.455
347H S34709 X8CrNiNb16-13 1.4961
6Mo S31254 X1CrNiMoCuN25-20-7 1.4529
904L N08904 X1NiCrMoCu25-20-5 1.4539
ASTM A790/A928 & EN 10216-2 Seamless / EN 10217-5 Welded Duplex S31260 X2CrNiMoN25-7-4 1.441
Duplex S32900 X3CrNiMoN27-5-2 1.446
Duplex S31803 / S32205 X2CrNiMoN22-5-3 1.4462
Super duplex S32760 X2CrNiMoCuWN25-7-4 1.4501
Super duplex S32750 / S32550 X2CrNiMoCuN25-6-3 1.4507

NICKEL ALLOY PIPES

Alloy ASTM Pipe Specifications
(Seamless)
ASTM Pipe Specifications
(Welded)
UNS DIN Equivalent Werkstoff Equivalent
Alloy 20 B729 B464 N08020 2.466
Nickel 200 B161 B622 N02200 2.4060/2.4066
Nickel 201 B161 B622 N02201 2.4061/2.4068
Monel 400 B165 B725 N04400 2.436
Inconel 600 B167 B517 N06600 2.4816
Inconel 625 B444 B705 N06625 2.4856
Incoloy 800H/800HT B407 B514 N08811 1.4959
Incoloy 825 B423 N/A N08825 2.4858
Hastelloy C276 B622 B619 N10276 2.4819
B619 B619 N10675 NiMo29Cr 2.46
B622 B619 N06022 NiCr21Mo14W 2.4602
B622 B619 N06455 NiMo16Cr16Ti 2.461
B622 B619 N10276 NiMo16Cr15W 2.4819
B622 B619 N06200 NiCr23Mo16Cu 2.4675
B622 B619 N06030 NiCr30FeMo 2.4603
B622 B619 N06035 NiCr33Mo8 2.4643
B622 B619 N10362 NiMo22Cr15 2.4708

 

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