MATERIAL TEST CERTIFICATE
AS PER STD EN 10204 TYPE 3.1
Customer : GTN Engineering (India) Ltd Unit-II (PMS) TC No. : EC2203 Date : 05.01.2024
Invoice No.:DWIF/23-24/ Date :
P.O. No.: 4710047350-0 Line Item: 1 PO Date : 21.08.2023 Spec. Ref.: M25070 Rev. : F (Date:16.07.2021)
Die No. Description Part No. Condition Forging Qty Material Melting Practice
Drg. No. PSL Level Ratio Sr.No. Mill
NUT FORGING UNION 2 Forged,
1591-GTN FIG 1502 AISI 4140 ALLOY 3257312 Rev T Normalized, 20.05 :1 01 No. AISI 4140 BF-EOF-LRF-VD-CCP
STEEL PER SPEC M25070 Quenched &
Tempered, - JSW STEEL
Shot Blasted
Heat Code: PBM 6250DU5000783 Rev-K
CHEMICAL COMPOSITION ( % )
Heat No :- C Mn Si S P Cr Mo Ni Grain Size
A51105 0.41 0.92 0.19 0.010 0.011 1.05 0.22 0.027 7
Specn. Min. 0.38 0.75 0.15 - - 0.80 0.15 - 6
Max. 0.43 1.00 0.35 0.025 0.025 1.10 0.25 - -
HEAT TREATMENT
Procedure :- Q00025 Rev S
Heat Treatment Furnace :- Continous Type Furnace (CHTF) Temperature Monitoring Method:- Side Thermocouples in the Working Zone ( Method A)
HT Load No. of N :- CZ-144 HT Batch No. of Q&T:- CZ-149 Qty :- 01 No.
Test Piece Heat Treatment :- Along with job QTC location:- Sacrificial QTC Size- Actual Part
Hot Working Normalising Time Hardening Time Quench Quench Bath Temp. 1st Temper Time
Ratio Temp. Hrs. Temp. Hrs. Media Start End Temp. Hrs.
QTC 20.05 :1 900⁰C 2 Hrs 40 Min 870⁰C 2 Hrs 40 Min OIL 33°C 45°C 615°C 4 Hrs (Air Cool)
Forging 20.05 :1 900⁰C 2 Hrs 40 Min 870⁰C 2 Hrs 40 Min OIL 33°C 45°C 615°C 4 Hrs (Air Cool)
Specn. Min. 870⁰C 840⁰C --- --- 540⁰C
Max. 925⁰C 900⁰C --- 80⁰C 700⁰C
MECHANICAL PROPERTIES
QTC Test Specimen QTC Test UTS YS Elg RA Charpy Impact
Specimen Orientation Hardness Temp. 0.2 % Offset Test ( Charpy ) J
Location after H.T. ⁰C PSI PSI % % Temp. Requirement 1 2 3 Average
Refer annexure for testing details
Test Piece Orientation:- Longitudinal & Transverse Charpy 'V' notch
Test Piece Size :- 8.75 mm Dia, 35 mm Gauge Length 10 mm X 10 mm X 55 mm LG
Remarks : All the jobs have been visually examined and are free from bursts, laps, seams, cracks, porosity.
All the jobs have been 100% checked for MPI test and found satisfactory.
Enclosures: 1) Steel Mill TC 2) Hardness report 3) Testing Annexure 4) MPI Report 5) Mechanical Testing Report 6) HT Graph 7) Dimensional Report
Note :- We hereby guarantee that no weld repairs have been performed.
. We hereby certify that the above figures are accurate and are consistent with the records of the company.
For Heat Treatment batch traceability, the letter "A" is stamped near the Heat code. Parts heat treated in batch number CZ-149.
The above material meets the requirements of ASTM A788/A788M - 23.
The material is free from radioactive and mercury contamination.
Furnace Used for Normalizing and Hardening (CF1): Calibration is due on -07.05.2024
Furnace Used for Tempering (CF2): Calibration is due on -07.05.2024
Furnace calibration is done as per AMS 2750 G and meets the requirements.
Method of Forging- Closed Die Forging
Ajay Joshi (HEAD-MQC, HT & NDT)
Authorised Signatory
F-MQC-10 / Rev. 00 / 01-Apr-2016
Works & Registered Office Tel : +91-02137-679819
Gat No. 163, Hissa No.1, Pune-Nagar Road, Fax : +91-02137-679820
Sanaswadi, Tal. Shirur, Pune- 412208 (INDIA) customerservice@westernindiaforgings.com
www.westernindiaforgings.com CIN : U28910PN1981PTC024155
