ER 90S-B9 (P91) | Certilas: The filler metal specialist

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PRODUCT SPECIFICATIONS
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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

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	R_P0,2 (MPa)	Rm (MPa)	A5 (%)	Impact Energy (J) ISO-V	Hardness
Heat Treatment	R_P0,2 (MPa)	Rm (MPa)	A5 (%)	RT	Hardness
730°C- 760°C 2h	560	780	23	60	HRc

Product sheet

declaration of performance

SDS

Product sheet

SDS

GMAW welding wire for creep resistant P91 steels ER 90S-B9

Disclaimer

Whilst all reasonable efforts have been made to ensure the accuracy of the information contained, the information contained or otherwise referenced herein is presented only as “typical” without guarantee or warranty, and any liability incurred from any reliance thereon is expressively disclaimed. Typical data are those obtained when welded and tested in accordance to prescribed standards, and should not be assumed to be the expected results in a particular application or weldment. Other tests and procedures may produce different results. Users are cautioned to confirm by qualification testing, or other appropriate means, the suitability of any welding consumable and procedure before use in the intended application. The selection and use of specific products is solely within the control of, and remains the sole responsibility of the customer. The right to change design and/or specifications without notice is reserved.