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Materials for piping & boiler construction

From unalloyed boiler steels through creep-resistant chromium-molybdenum grades to stainless and duplex steels – composition, properties, service temperature and standards. All grades supplied as pipe, flange and fitting.

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Unalloyed boiler steel

P235GH · 1.0345

Carbon steel · creep-resistant

P265GH · 1.0425

Carbon steel · creep-resistant

P355GH · 1.0473

Carbon steel · creep-resistant · higher-strength

Unalloyed structural steel

S235JR · 1.0038

Structural steel · S235

S355J2H · 1.0576

Hollow section · S355 · higher-strength

Low-temperature fine-grain steel

P355NL2 · 1.1106

Fine-grain structural steel · low temperature

Creep-resistant alloy steel

16Mo3 · 1.5415

Molybdenum steel · boiler tube

13CrMo4-5 · 1.7335

Chromium-molybdenum steel

10CrMo9-10 · 1.7380

2¼Cr-1Mo · A335 P22

14MoV6-3 · 1.7715

Mo-V steel · creep-resistant

High-temperature steel

X10CrMoVNb9-1 (P91) · 1.4903

P91 · A335 P91

X20CrMoV11-1 · 1.4922

12% Cr steel · power-plant steel

Heat-resisting steel

1.4828 · 1.4828

X15CrNiSi20-12 · heat-resisting austenite

Austenitic stainless steel

1.4301 · 1.4301

X5CrNi18-10 · AISI 304 · V2A

1.4404 · 1.4404

X2CrNiMo17-12-2 · AISI 316L · V4A

1.4571 · 1.4571

X6CrNiMoTi17-12-2 · AISI 316Ti

1.4541 · 1.4541

X6CrNiTi18-10 · AISI 321

1.4307 · 1.4307

X2CrNi18-9 · AISI 304L

1.4435 · 1.4435

X2CrNiMo18-14-3 · 316L (hoch-Mo)

Super-austenitic stainless steel

1.4539 (904L) · 1.4539

X1NiCrMoCu25-20-5 · 904L

1.4547 (254 SMO) · 1.4547

X1CrNiMoCuN20-18-7 · 254 SMO

Duplex steel

1.4462 (Duplex) · 1.4462

X2CrNiMoN22-5-3 · Duplex

1.4410 (Super-Duplex) · 1.4410

X2CrNiMoN25-7-4 · 2507 · UNS S32750

Nickel-base alloy

Alloy 625 · 2.4856

NiCr22Mo9Nb · Inconel 625 · UNS N06625

Alloy 825 · 2.4858

NiCr21Mo · Incoloy 825 · UNS N08825

Copper-nickel alloy

CuNi 90/10 · 2.0872

CuNi10Fe1Mn · CW352H

Line pipe

API 5L · Line pipe

Oil & gas pipeline · Grade B–X70

Plastics (thermoplastics)

PE 100 · PE 100 / PE-HD

PE-HD · polyethylene · MRS 10

PP · PP-H / PP-R

Polypropylene · PP-H · PP-R

PVDF · PVDF

Polyvinylidene fluoride · fluoropolymer

PVC-U · PVC-U / PVC-C

Rigid PVC · PVC-C (chlorinated)

Standard overview: Boiler tubes EN 10216-2 · Stainless steel tubes EN 10216-5

Looking for the right material?

Tell us medium, pressure and temperature – we recommend the grade and supply it as pipe, flange or fitting, on request with an EN 10204 3.1 / 3.2 mill certificate.

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