| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. Sample Details | |||
| A1 | Sample Identification Acceptance: Sample ID clearly marked, traceable to heat/lot number, mass ≥ 50 g for analysis | IS 228:1994 Section 2 | OK NC NA |
| A2 | Material Type & Grade Confirmation Acceptance: Material correctly identified (TMT/Structural), grade matches MTC or purchase order | IS 1786:2008, IS 2062:2011 | OK NC NA |
| A3 | Heat Number Traceability Acceptance: Heat number documented, manufacturer identified, MTC reference available if applicable | IS 228:1994 Section 3 | OK NC NA |
| A4 | Test Method & Equipment Acceptance: Method selected appropriate to material (Spectrometry for rapid analysis, Wet Chemical for accuracy verification), equipment calibrated | IS 228:1994 Section 4 | OK NC NA |
| B. Test Results — TMT Bars (IS 1786:2008 Table 2) | |||
| B1 | Carbon Content (C) Acceptance: Fe 500D / Fe 500: max 0.25% (0.25% as upper limit); Result: ___ % | IS 1786:2008 Table 2 | PASS FAIL NA |
| B2 | Manganese Content (Mn) Acceptance: Fe 500D: 0.80–1.50% (typical); Verify within specification range; Result: ___ % | IS 1786:2008 Table 2 | PASS FAIL NA |
| B3 | Sulphur Content (S) Acceptance: Max 0.040%; Result: ___ % | IS 1786:2008 Table 2 | PASS FAIL NA |
| B4 | Phosphorus Content (P) Acceptance: Max 0.040%; Result: ___ % | IS 1786:2008 Table 2 | PASS FAIL NA |
| B5 | Combined S + P Acceptance: Max 0.075%; Calculate S + P; Result: ___ % | IS 1786:2008 Table 2 | PASS FAIL NA |
| B6 | Silicon Content (Si) Acceptance: Typical 0.10–0.50% (no fixed maximum in IS 1786, but document value); Result: ___ % | IS 1786:2008 Table 2 | PASS FAIL NA |
| B7 | Chromium Content (Cr) Acceptance: Typical 0.05–0.30% (no strict maximum, document value); Result: ___ % | IS 1786:2008 Table 2 | PASS FAIL NA |
| B8 | Copper Content (Cu) Acceptance: Typical 0.05–0.35% (no strict maximum, document value); Result: ___ % | IS 1786:2008 Table 2 | PASS FAIL NA |
| B9 | Carbon Equivalent (CE) Acceptance: Fe 500D: max 0.42%; Formula: CE = C + Mn/6 + (Cr+V)/5 + (Cu+Ni)/15; Result: ___ % | IS 1786:2008 Table 2 | PASS FAIL NA |
| B10 | TMT Chemistry Overall Verdict Acceptance: All elements within IS 1786 limits (B1-B5, B9 critical; B6-B8 informational) | All items B1-B9 | PASS FAIL NA |
| C. Test Results — Structural Steel (IS 2062:2011 Table 3) | |||
| C1 | Carbon Content (C) — Structural Acceptance: E250A: max 0.23%; E350: max 0.24%; Result: ___ % | IS 2062:2011 Table 3 | PASS FAIL NA |
| C2 | Manganese Content (Mn) — Structural Acceptance: E250A: max 1.50%; E350: max 1.70%; Result: ___ % | IS 2062:2011 Table 3 | PASS FAIL NA |
| C3 | Sulphur Content (S) — Structural Acceptance: E250A / E350: max 0.045%; Result: ___ % | IS 2062:2011 Table 3 | PASS FAIL NA |
| C4 | Phosphorus Content (P) — Structural Acceptance: E250A / E350: max 0.045%; Result: ___ % | IS 2062:2011 Table 3 | PASS FAIL NA |
| C5 | Silicon Content (Si) — Structural Acceptance: E250A: max 0.40%; E350: max 0.50%; Result: ___ % | IS 2062:2011 Table 3 | PASS FAIL NA |
| C6 | Carbon Equivalent (CE) — Structural Acceptance: E250A / E350: max 0.42%; Formula: CE = C + Mn/6 + (Cr+V)/5 + (Cu+Ni)/15; Result: ___ % | IS 2062:2011 Table 3 | PASS FAIL NA |
| C7 | Structural Steel Chemistry Overall Verdict Acceptance: All elements within IS 2062 limits | All items C1-C6 | PASS FAIL NA |