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GOVERNING STANDARDS

Manufacturing to the standards that matter.

ASTM, API, DIN, EN, and JIS standards govern our production, testing, and certification. Each page covers the standard’s scope, applicable grades, dimensions, and testing requirements.
8 STANDARDS COVERED

ASTM, API, DIN, EN, and JIS specifications.

ASTM

A106

Carbon Steel Pipe · High-Temperature
Seamless carbon steel pipe for high-temp service, NPS 1/8 through NPS 48.
Grade A · Grade B · Grade C
ASTM

A335

Ferritic Alloy-Steel Pipe
Chrome-moly pipe for high-temperature power and petrochemical service.
P5 · P9 · P11 · P22 · P91
ASTM

A213

Alloy & Stainless Tubes
Boiler, superheater, and heat-exchanger tubes in ferritic and austenitic grades.
T11 · T22 · T91 · TP304 · TP316
API

5L

Line Pipe
Seamless line pipe for pipeline transportation in onshore and offshore systems.
Grade B · X42 · X52 · X60 · X65 · X70
API

5CT

OCTG — Casing & Tubing
Casing and tubing for oil, gas, and water well construction and production.
H40 · J55 · N80 · L80 · P110 · Q125
DIN

17175

Seamless Boiler Tubes
German standard for seamless tubes for boiler construction and elevated-temperature service.
St 35.8 · St 45.8 · 15Mo3 · 13CrMo44
EN

10216

Seamless Pressure Tubes
European standard for non-alloy, alloy, and stainless seamless pressure tubes.
P235GH · P265GH · 16Mo3 · 10CrMo9-10
JIS

G3454

Carbon Steel Pressure Pipes
Japanese standard for carbon steel pipes in pressure piping at 350°C and below.
STPG 370 · STPG 410
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