Furthermore, Husteel has been certified in accordance with the OHSAS 18001 to secure the occupational health and safety of our employees and to eliminate and minimize the risks associated with their activities.
Sr. No. | Process Description | Ref. Documents Standards | Characteristic to be checked | Samples quorum of size/inspection | Instrument equipment used for testing | Acceptance criteria |
1 | S. S. Coils / Seamless Pipe (Mother Hollow) | Purchase Order / Specifications |
• Dimension • T.C. Verification (Lab test Report) (if required) • Packing Condition • Weight • Defects if any |
Sample / Heat | Vernier, Micrometer, Chemical, Analysis, Tensile Testing Machine (Brinell Rockwell) Hardness Testing Machine | 100% confirmation to Specifications |
Sr. No. | Process Description | Ref. Documents Standards | Characteristic to be checked | Samples quorum of size/inspection | Instrument equipment used for testing | Acceptance criteria |
2 |
I) Welded Tube forming & Welding II) Seamless Cold Drawing |
As per Work order/ Specification |
Dimensions check Diameter (Ovality) x Length x Thickness • Weight • Defects if any |
3 Samples from each Coil 1 Sample from each lot |
Universal testing machine UIN 40 - T Make "UTS" Microscope, Vernier, Micrometer & Measuring Tape |
Dimensions acceptance as per order, Confirmation to standard samples as per details |
3 | Annealing | Temperature as per ASTM Standards |
• Temperature • Hardness • Cooling • Water Quenching |
1 Sample per lot / 1 Sample per heat | Digital Graphic, Temperature Recorder, Digital Temperature Indicator & Temperature Controller, Metallurgical Microscope, Brine Rockwell Hardness Tester | |
4 | Straightening | Straightening as per specification | Check straightening of Pipes & Tubes | First 2 pipes of each size lot | Roller Straightening Machine, Micrometer, Visual Observation | Straightening as per specification & standard sample |
5 | End Facing / Squaring & Beveling | Burr-Free Squaring / Beveling with Proper V-Shape | 100% Visual inspection | Abrasive Polishing as per standard sample | Confirmation to specifications / requirements | Straightening as per specifications |
6 | Hydrostatic Testing | As per ASTM standard | Leakages | 100% | Hydraulic Pressure Tester | No Leakage |
7 | Picking | As per required ASTM standard |
• Scale removing inside • outside surface area |
100% | Visual Observation | Confirm to requirement |
8 | Final Inspection Physical / Chemical Testing | As per applicable standard | Visual Dimension, Physical & Chemical | 100% (or) as per ASTM standard | Micrometer, Vernier, Universal Testing Machine, Molly Detector & Caron sampling at Random Spectra / Wet Method | Confirmation to requirements |
9 |
Marking (as per) customer requirement / standard marking |
As per requirement |
• Spell check • Verification of Details |
100% Confirm on first two sample & continue | Inkjet machine / Electro Etching co-relation of heat no size Grade, etc. with Test Certificate | Confirm to requirement |
10 | Packing & Delivery | As per customer requirement | Packing quality Tightness of packing | 100% confirm to requirement and release for | Box Crate, Polythene, Hessian Cloth | Packing according to customer requirements |
We will cut it, test it, thread it, bevel it, machine it, bore it, and deliver it worldwide!