Tee – 950NB x 600NB 70MM Thickness- ASTM 860 WPHY65 + NACE MR0175 / ISO 15156-2
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Material Certification – EN 10204 3.2 type
General Requirements
1 All material shall be supplied with material test certificates (MTC) as per EN10204, type 3.2.
2 For stock items, MTC shall be supplied for review and approval prior to fabrication.
3 For Tee details refer drawing
4 Material to comply to ASTM A860 WPHY65
5 Material to comply NACE MR0175 / ISO 15156-2
6 Max hardness <= 22 HRC
7 Impact test as per A860
8 Material shall be killed, fine grain and heat treated according to NACE MR 0175 / material standard.
9 Max carbon content <= 0.20%
10 Max carbon equivalent <= 0.43%
11 Nb <=0.05%
12 Boron <=0.0005%
13 (Nb+V+Ti) <= 0.08%
14 S<= 0.005%
15 100% UT and 100% MPI to ASME Vlll Div 2 Sec 3.3.4.
16 Material certification to EN10204 Type 3.2 must include below :
Order No.
Grade of material
Cast no. and heat treatment no.
Melting and refining process.
Certified chemical analysis along with calculated carbon equivalent.
Certified record of mechanical properties including impact test.
Certified record of hardness.
Certified record of Heat treatment.
Certificate of Ultrasonic Test.
Certificate of MPI Test.
Material certification must include a statement that material meets the requirements of NACE MR0175 / ISO 15156-2.
Raw material certificates require for review.
17 Material must be HIC tested as per NACE MR0175 / ISO 15156-2
18 100% RT required on welded joints.
19 After bevel prap for the ends, UT/ MPI shall be performed