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Special Alloys Stick Electrodes Packaging

Diameters / Packaging

Diameters
 12.3 kg Can
 12.9 kg Can
 16.2 kg Can
2.5 x 350 mm CH9B9-25-1
3.2x350 mm CH9B9-32-1
4.0x450 mm CH9B9-40-1

CHROMET® 9-B9

Stick (SMAW)

CLASSIFICATIONS:
AWS A5.5M : E9015-B91 H4
BS EN ISO 3580-B : E 6216-9C1MV

B9 (P91) alloyed steel designed to weld equivalent 'type 91' steels for improved long term creep resistance

Diameter

Select Diameter

  • 2.5 x 350 mm
  • 3.2x350 mm
  • 4.0x450 mm

Package

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  • 12.3 kg Can
  • 12.9 kg Can
  • 16.2 kg Can
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DETAILS

Low Alloy, Low Hydrogen • AWS A5.5M E9015-B91 H4

Features

  • B9 (P91) alloyed steel: Modified 9CrMo designed to weld equivalent "type 91" 9CrMo steels modified with small additions of niobium, vanadium and nitrogen for improved long term creep resistance
  • Moisture resistant coating provides low amounts of weld metal hydrogen levels for a superior weld
  • Specifically designed for high integrity structural service at elevated temperature

Typical Applications

  • Oil Refineries
  • Coal Liquefaction and Gasification Plants
  • Main Steam Piping
  • Valves and Turbine Casings
  • Power Generation Plants

Welding Positions

  • All, except vertical down

Disclaimers

Warning -

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

Service Information

Documentation

BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page

See test result disclaimer

CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.5 E9015-B91 H4
ISO ISO 3580-B E 6216-9C1MV

MECHANICAL PROPERTIES

Classification Yield Strength @ 0.2% Offset
MPa (ksi) 		Tensile Strength
MPa (ksi) 		Elongation
%
E9015-B91 H4 Requirement 530 (77) min. 620 (90) min. 17 min.
E 6216-9C1MV Requirement 530 (77) min. 620 (90) min. 15 min.
Typical Result, Stress relieved 590 (86) 710 (103) 22

DEPOSIT COMPOSITION

Classification %Al %C %Cr %Mn %Mo %N %Nb %Ni %P %S %Si %Total Cu %V %Mn+Ni
E9015-B91 H4 Requirement 0.04 max. 0.08 - 0.13 8.0 - 10.5 1.20 max. 0.85 - 1.20 0.02 - 0.07 0.02 - 0.10 0.80 max. 0.01 max. 0.01 max. 0.30 max. 0.25 max. 0.15 - 0.30 1.40 max.
E 6216-9C1MV Requirement 0.04 max. 0.08 - 0.13 8.0 - 10.0 1.25 max. 0.85 - 1.20 0.02 - 0.07 0.02 - 0.10 1.0 max. 0.01 max. 0.01 max. 0.30 max. 0.25 max. 0.15 - 0.3 1.50 max.
Typical Result 0.01 0.10 9.0 0.55 1.00 0.05 0.04 0.30 0.01 0.01 0.25 0.05 0.20 0.85

TYPICAL OPERATING PROCEDURES

Diameter Current
Amps
2.5 mm (3/32") 70-110
3.2 mm (1/8") 80-140
4.0 mm (5/32") 100-180
5.0 mm 140-240