Quality & testing
Third-Party Test Reports
All materials supplied by Hangbo Alloy Group are backed by SGS, CNAS and CMA accredited third-party laboratory test certificates — chemical composition, mechanical properties, grain size, macro inspection and corrosion resistance.
CNAS & CMA accredited test reports
All reports are issued by ISO/IEC 17025 accredited third-party laboratories. Each file contains the complete bilingual (Chinese-English) report with original lab stamps, equipment data and test parameters. Click any report to download the full PDF.
AISI 321 Plate Composition Analysis
CNAS Accredited Lab · Bilingual (CN/EN)
Full chemical composition analysis of AISI 321 (UNS S32100 / 1.4541) stainless steel plate by optical emission spectrometry, covering all controlled elements including C, Mn, Si, Cr, Ni, Ti, P and S, verified against ASTM A240 and GB/T 4237 limits.
AISI 321 Plate Room Temperature Tensile Test
CNAS Accredited Lab · Bilingual (CN/EN)
Room temperature tensile testing per GB/T 228.1 (equiv. ASTM E8): complete stress-strain data, Rp0.2 yield strength, Rm tensile strength, elongation and reduction of area on a calibrated universal testing machine at 23 C.
AISI 321 Seamless Pipe Composition Analysis
CMA + CNAS Dual Accredited · Bilingual (CN/EN)
Dual-accredited (CMA and CNAS) spectrometric analysis of AISI 321 seamless stainless steel pipe, all major and trace elements verified against specification. CMA gives legal validity in China; CNAS gives international recognition under ILAC-MRA.
AISI 321 Seamless Pipe Intergranular Corrosion Test
CNAS Accredited Lab · Bilingual (CN/EN)
Intergranular corrosion (IGC) susceptibility test per GB/T 4334 Method E (equiv. ASTM A262 Practice E, Strauss test): 16 hours in boiling copper sulfate-sulfuric acid followed by bend testing, confirming no intergranular cracking.
AISI 321 Seamless Pipe Room Temperature Tensile Test
Jiangsu Rongda / CNAS · Bilingual (CN/EN)
Room temperature tensile test report No. 2025-M-12021629266-2 issued by Jiangsu Rongda Material Corrosion Inspection Co., Ltd. for AISI 321: Rp0.2 yield strength, Rm tensile strength, elongation and reduction of area with full specimen, equipment and calibration traceability.
Nimonic 75 (NiCr20Ti) Strip Tensile Test
CNAS Accredited Lab · Bilingual (CN/EN)
Room temperature tensile testing of Nimonic 75 (UNS N06075) nickel-chromium alloy precision strip - yield strength, tensile strength, elongation and Young's modulus per GB/T 228.1. Widely used in gas turbine combustion chambers and furnace components.
S31020 Seamless Pipe Composition Analysis
CNAS Accredited Lab · Bilingual (CN/EN)
Chemical composition analysis of S31020 (UNS S31020) heat-resistant austenitic stainless steel pipe for service to 1100 C: full spectrometric analysis of Cr, Ni, Mn, Si, C, P and S against ASTM A213/A312 specifications.
XH60BT Alloy Composition & Tensile Test
CNAS Accredited Lab · Bilingual (CN/EN)
Combined chemical composition analysis and room temperature tensile test for XH60BT nickel-based superalloy (Russian grade, Inconel 718-class) used in aerospace engine hot-section components and industrial gas turbines.
XH60BT Alloy Extended Test Report
Jiangsu Rongda / CNAS · Bilingual (CN/EN)
Extended full-chapter edition of the XH60BT report No. 2025-M-11241629210: complete chemical composition analysis and room temperature tensile test with specimen geometry documentation, stress-strain data and equipment calibration records. Sample declared as precision seamless pipe.
Inconel 625 Strip Room Temperature Tensile Test
Jiangsu Rongda / CNAS · Bilingual (CN/EN)
Room temperature tensile test report No. 2026-M-043016210072 for Inconel 625 (UNS N06625) precision strip, issued by Jiangsu Rongda Material Corrosion Inspection Co., Ltd.: Rp0.2 yield strength, Rm tensile strength and elongation with full specimen, equipment and calibration traceability.
GH3044 Superalloy SGS Test Report
SGS · Bilingual (CN/EN)
SGS third-party test report for GH3044 (Russian equivalent EI868), a solid-solution strengthened nickel-based superalloy with high chromium and tungsten content for service up to 900-1100 C. Used in aero-engine combustion chambers, flame tubes and guide vanes. Report covers material verification with full certification data and SGS international recognition under ILAC-MRA.
Inconel 718 (GH4169) Bar Tensile, Grain & Macro Test
SGS Shanghai · Bilingual (CN/EN)
Three test categories in one SGS report: (1) tensile per GB/T 228.1-2021 - Rm 887 MPa, Rp0.2 525 MPa, elongation 53%; (2) austenite grain size per GB/T 6394-2017 - average 6.5; (3) macro inspection per GB/T 14999.2-2012 - no cracks, shrinkage, bubbles, porosity, slag or inclusions.
Monel 400 Seamless Pipe SGS Test Report
SGS Laboratory · Bilingual (CN/EN)
SGS third-party material verification of Monel 400 (UNS N04400) nickel-copper alloy seamless pipe with full traceability documentation - for marine, chemical and hydrocarbon processing service, with SGS international recognition under ILAC-MRA.
Every delivery is tested before it ships
| Stage | Tests performed | Standard / equipment |
|---|---|---|
| Incoming melt verification | Full chemical analysis, spark OES | ASTM E3047 / OE750 spectrometer |
| During production | Dimensional control, surface inspection, hardness | Brinell / Rockwell / Vickers testers |
| Final mechanical | Tensile, yield, elongation, impact (ambient and cryogenic) | GB/T 228.1, ASTM E8, universal test machine |
| Microstructure | Grain size, macro structure, metallography | GB/T 6394, GB/T 14999.2, metallographic microscope |
| Corrosion qualification | Intergranular corrosion (Strauss), pitting audits | GB/T 4334 / ASTM A262 Practice E |
| Non-destructive testing | Ultrasonic, eddy current, hydrostatic, PMI | UT / ET / hydrostatic bench / PMI gun |
| Documentation | EN 10204 3.1, with third-party inspection on request | See the EN 10204 certificate guide |
Test capabilities at a glance
Optical Emission Spectrometer (OES)
Optical Emission Spectrometer (OES)
Carbon & Sulphur Analyser
Carbon & Sulphur Analyser
Universal Tensile Testing Machine
Universal Tensile Testing Machine
Impact Tester (ambient / cryogenic)
Impact Tester (ambient / cryogenic)
Brinell / Rockwell / Vickers Hardness Testers
Brinell / Rockwell / Vickers Hardness Testers
Metallographic Microscope & Intergranular Corrosion Test Rig
Metallographic Microscope & Intergranular Corrosion Test Rig
Ultrasonic (UT) & Eddy Current (ET) Testing
Ultrasonic (UT) & Eddy Current (ET) Testing
Hydrostatic Test Bench
Hydrostatic Test Bench
Need certified material for a critical application?
Ask for test reports matched to your specification — EN 10204 3.1 certificates as standard, third-party inspection on request, and raw lab readouts available.
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