HY/eHSLA WELDING TRAINING

HY/eHSLA WELDING TRAINING

Welding of or to HY/HSLA Steels shall meet the applicable requirements of..

NAVSEA T9074-AD-GIB-010/1688

Formerly; MIL-STD-1688 & 1689

Weld and 1 inch of thickness of material ( whichever is greater) of adjacent base material are included in this.

BISUAL INSPECTION ZONE

All pressure containing welds shall consist of how many weld layers?

Two weld layers

Full weld penetration is required for what percentage of the weld?

100% of the length

What amount of joint surfaces must be cleaned prior to welding?

1 inch from the weld edges

Surgaces shall be dry and free from what?

Mill scale, oxides, oil, grease etc

When fit-up gaps for fillet welds exceed 1/16”, but no more than 3/16”, the size of the fillet shall be increased by..

An amount equal to the excess of the opening above 1/4”

Full penetration joints welded from both sides shall be..

Back-gouged, or ground to sound metal and inspected, prior to welding 2nd side.

Thermal cut surfaces shall meet the requirements of..

AWS C4.1 or NAVSEA 0900-999-9000

What may be used to help control weld related distortion, using a blunt nosed tool?

PEENING

Purging shall be continued until..

Three layers or 3/16” of weld metal is applied

The maximum permissible offset for all welded joints shall be..

1/4” and less base metal thickness, Maximum of 25% of joint thickness

The training is intended to assure that welders and operators understand

What is required for a weld to be visually acceptable and basic workmanship requirements

This program DOES NOT fullfill the requirements for training welders for welding

TITANIUM MATERIAL

This training and successful completion of the required examination, must be conducted at least once every

3 years.

Weld and 1 inch or thickness of material (whichever is greater) of adjacent base material are included in the

Visual inspection zone

Weld contour

Blend smoothly and gradually into base material, re entrant angle, fillet contour, butte weld reinforcement, internal root reinforcement; concavity, convexity.

How many weld layers should All pressure containing welds consist of

A minimum of 2 weld laters

Socket weld fillet sizes shall be in accordance with

MIL-STD-22

Full weld penetration is required for

100% of length of piping groove welds.

When fit up gaps for fillet welds exceed 1/16 inch but not more than

3/16 inch

Peening of welds requiring PT

IS NOT ALLOWED

Weld defects shall be removed and repaired to

Render the area acceptable

Preheat method should ensure

Uniform temperature of the weld joint

Preheat and interpass temperatures must be specified in

The welding procedure.

Preheat and interpass temperatures shall be verified by

Periodic checks using temp sticks: indicating crayons or other approved devices.

Purging shall be continued until three layers or ____ of weld metal is applied

3/16 inch