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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

ApplicationPipe SpecificationsMaterial Grades
High-temperature Carbon SteelEN 10225S355G15, S460G6
BS 7191355EM
API 5LGrade B, X42, X52, X56, X60, X65, X70, X80, X100
ASTM A519SAE 4130, 4140
ASTM/ASME A/SA53Grade A, B
ASTM A252Grade 2, 3
Line PipeCSA Z245.1359, 414, 448, 483
ASTM/ASME A/SA53Grade A, B
ASTM/ASME A/SA106Grade B, C
ASTM A252Class 2, 3
EN 10216-2 SeamlessP235GH (1.0345) / P265 GH (1.0425)
EN 10217-5 WeldedP235GH (1.0345)  / P265GH (1.0425)
Low temperatureASTM/ASME A/SA333P215NL (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 671/672Grade 60, 65, 70

ALLOY STEEL PIPES

ApplicationPipe SpecificationsMaterial Grades
Alloy Steel Pipe (High Pressure/Temperature)ASTM/ASME A/SA 335P1, P5, P9, P11, P22, P91, P92
ASTM/ASME A/SA 6911-1/4CR, 2-1/4CR, 5CR, 9CR, 91
EN 10216-2 Seamless16Mo3 (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 Welded16Mo3 (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 SpecificationsASTM GradeUNS EquivalentEN EquivalentWerkstoff Equivalent
ASTM A312/358 & EN 10216-2 Seamless / EN 10217-5 Welded304S30400X5CrNi18-101.4301
304LS30403X2CrNi19-111.4306
304HS30409X6CrNi18-111.4948
310S31000X15CrNiSi25-211.4841
310SS31008X8CrNi25-211.4845
316S31600X5CrNiMo17-12-21.4401
316LS31603X2CrNiMo17-2-21.4404
316TiS31635X6CrNiMoTi17-12-21.4571
321S32100X6CrNiTi18-101.4541
321HS32109X8CrNiTi18-101.4878
347S34700X6CrNiNb18-101.455
347HS34709X8CrNiNb16-131.4961
6MoS31254X1CrNiMoCuN25-20-71.4529
904LN08904X1NiCrMoCu25-20-51.4539
ASTM A790/A928 & EN 10216-2 Seamless / EN 10217-5 WeldedDuplexS31260X2CrNiMoN25-7-41.441
DuplexS32900X3CrNiMoN27-5-21.446
DuplexS31803 / S32205X2CrNiMoN22-5-31.4462
Super duplexS32760X2CrNiMoCuWN25-7-41.4501
Super duplexS32750 / S32550X2CrNiMoCuN25-6-31.4507

NICKEL ALLOY PIPES

AlloyASTM Pipe Specifications
(Seamless)
ASTM Pipe Specifications
(Welded)
UNSDIN EquivalentWerkstoff Equivalent
Alloy 20B729B464N080202.466
Nickel 200B161B622N022002.4060/2.4066
Nickel 201B161B622N022012.4061/2.4068
Monel 400B165B725N044002.436
Inconel 600B167B517N066002.4816
Inconel 625B444B705N066252.4856
Incoloy 800H/800HTB407B514N088111.4959
Incoloy 825B423N/AN088252.4858
Hastelloy C276B622B619N102762.4819
B619B619N10675NiMo29Cr2.46
B622B619N06022NiCr21Mo14W2.4602
B622B619N06455NiMo16Cr16Ti2.461
B622B619N10276NiMo16Cr15W2.4819
B622B619N06200NiCr23Mo16Cu2.4675
B622B619N06030NiCr30FeMo2.4603
B622B619N06035NiCr33Mo82.4643
B622B619N10362NiMo22Cr152.4708

 

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