SAF-HOLLAND XL-AS11406OM CBX/CB Series Fixed Frame Top Mount Trailer Air Suspension - Manual (Page 9)

9 XL-AS11406OM-en-US Rev B · 2012-06-29 · Amendments and errors reserved. © SAF-HOLLAND, Inc.
Welding Standards
9. Welding Standards

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This specification applies to all components supplied by
SAF-HOLLAND, and its products that require welding for
installation purposes. The customer assumes all responsibility
for weld integrity if weld material and procedure differ from
those listed below.

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Frame attachment components made from low carbon or
high strength alloy steel are to be welded with AWS filler
metal specification AWS A5.18, filler metal classification
ER-70S-3, ER-70S-6 or equivalent unless specified on the
installation drawing.
NOTE: Any substitution for filler material from the above
standard must comply, as a minimum, with the
following mechanical properties:
Tensile Strength - 72k psi (496 MPa)
Yield Strength - 60k psi (414 MPa)
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o F (-17.7 o C)
% Elongation - 22%
The recommended welding gas for gas metal arc welding
(GMAW) is 90% Argon/10% CO2. If a different gas is used,
welds must comply with penetration requirements in shown
below. Where the installation drawing specifies different than
above, the drawing shall prevail.

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Tack welds used for positioning components are to be located
in the center of the final weld, where practical. Tack weld should
be completely fused to the finish weld. DO NOT break arc at the
end of the weld. Back up all finish welds at least 1/2" (12 mm)
or a sufficient amount to prevent craters at the end of the weld.
Where weld is shown to go around corners, it is assumed the
corner represents a stress concentration area. DO NOT start
or stop weld within 1" (25 mm) of the corner. Particular care
should be taken to prevent undercutting in this area.

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It is the responsibility of the Customer to provide good workmanship
when attaching components to the frame structure.

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If weld size is not specified, the effective throat of the weld
must be no smaller than the thinnest material being welded
(Figure 12).
Figure 12
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