Steel Indications & Metallography

Basic understandings of HSLA Steel in Production Today.

The following views show assorted Quality Issues found and discussed during recent assignments.

The photos are as presented to me for evaluation.The Macros are Slab Macros & the Micros are

ERW Weld Line Micros.No mills are identified or described.

Use this a a general overview.

Dimension Tolerance #1

Dimension Tolerance #2

Dimension Tolerance #3

Dimension Tolerance #4

Poor Melt Practices #1

Poor Melt Practices #2

Poor Melt Practices #3

Poor Melt Practices #4

Pitts #1

Pitts #2

Milling Machine Deposited Inclusion

Milling Machine Inclusion Induced Crack

Milling Machine Shaving Induced Crack and Shavings

Milling Machine Shaving Induced Crack

Sliver #1

Sliver #2

Sliver #3

Sliver #4

Sliver #5

Sliver #6

Sliver #7

Sliver #8

Sliver #9

Sliver #10

Sliver #11

Sliver #12

Sliver #13

Sliver #14

Sliver #15

Macro #1

Macro #2

Macro #3

Macro #4

Micro #1

Micro #2

Micro #3

Micro #4

UTT Prove-Up

Visual Inspection