Lincoln LNM 9Cr

Ceweld product
Type
Medium alloyed copper-plated welding wire for welding creep and hydrogen pressure resistant steels. 9%Cr-alloyed steels (CrMo91i, B91)
classification
AWS
A 5.28: ER 90S-B91
EN ISO
21952-A: G CrMo91
W.Nr.
1.4903
Applications

CEWELD® ER 90S-B9 (P91) is designed for welding equivalent type 91~ 9% Cr Steels modified with small aditions of Niobium, Vanadium and Nitrogen to offer improved long term creep properties. This alloy is specialy intended for high integrity structural service at elevated temperature such as: Headers, main steam piping and turbine casings, gasification plants etc..

Type
Medium alloyed copper-plated welding wire for welding creep and hydrogen pressure resistant steels. 9%Cr-alloyed steels (CrMo91i, B91)
Applications

CEWELD® ER 90S-B9 (P91) is designed for welding equivalent type 91~ 9% Cr Steels modified with small aditions of Niobium, Vanadium and Nitrogen to offer improved long term creep properties. This alloy is specialy intended for high integrity structural service at elevated temperature such as: Headers, main steam piping and turbine casings, gasification plants etc..

Properties

CEWELD® ER 90S-B9 (P91) is specially designed for use in high-strength constructions at elevated temperatures. The optimized chem. The optimized chemical composition guarantees that the minor alloy additives responsible for creep resistance are above the minimum.

Classification
AWS
A 5.28: ER 90S-B91
EN ISO
21952-A: G CrMo91
F-nr
6
FM
4
W.Nr.
1.4903
Suitable for

P91, 9%Cr1%Mo modified

1.4903, 1.4955

X10CrMoVNb9-1, GX12CrMoVNbN9-1

A 213 T91, A335 P91, A387 Gr91, A 182/A336 F91, 1503 Gr91, 

AFNOR NF A-49213/A-49219 Gr TU Z 10, CDVNb 09-01

Approvals
CE
Welding positions
PA
PB
PC
PD
PE
PF
PG
Redrying
Not required
Gas acc. EN ISO 14175
M21
Analysis
C Si Mn P S Cr Ni Mo Ti V Cu Al Zr Other Nb
0.07 0.4 0.5 9 0.45 0.95 0.2 0.05
Mechanical Properties
Heat
Treatment
RP0,2
(MPa)
Rm
(MPa)
A5
(%)
Impact Energy (J) ISO-V Hardness
RT
730°C- 760°C 2h 560 780 23 60 HRc