Recent content by zebmahar

What is the minimum allowable temperature for use of ASTM A 106 Grade B. Can ASTM A 106 grad B material be used in -10 C Waiting for response Kind Regards Jahanzeb Mahar I have edited by post to make it correct "Maximum" was written by mistake. Basically i need help to know what is the...

Hello, I have a questing regarding weld repair allowed by API 5L in Annex C, Clause C.4.3 C.4.3 The total length of repaired zone on each pipe weld shall be < 5% of total weld length for SAW and COW weld seams. Submerged Arc Welded Helical (SAWH) pipe have inside and outside welds and...

Thanks for your replies

Hello Everyone, We are SAWH pipe manufacturer, we carryout repair welding of API 5L Gr. X-70 pipes with Electrode E-9018. Please let me know, can we use electrode E-8018 instead of E-9018 on API 5L Gr. X-70 pipes. if yes, is re-qualification required. Product standard is silent about it...

Hi everyone, I would really grateful if anyone can help me in writing the Management of Change procedure according to API Q1 or share with me the the same Basically i am writing this first time and don't any any idea about MOC. Best Regards Zebmahar

Many thanks for your replies Zebmahar

Good day guys, Can anyone let me know, why the cold bending is preferred by the fabricators instead of hot bending? Even in the hot bending there is very little chance of cracking and tubes also get bend easily. Regards Zebmahar

Hello everyone I would like to know what is the difference between boiler tubes and super heater tubes, also let me know how much pressure and temperature these tubes can sustain. Kind Regards Zebmahar

Kindly inform me that for Seamless pipe manufacturing according to API 5L, what inspection activities are compulsory from the list mentioned below:- Ultrasonic Testing (UT) Electro Magnetic Inspection (EMI) Flux Leakage Inspection Eddy Current Inspection Magnetic Particle Inspection Regards...

Thanks Eddycurrentguy

Kindly tell me what is the requirement of residual magnetism for seamless pipe in API 5L 44th edition Regards Zebmahar

This pipe is for H2S services and the impact requirements are 48 j average absorbed evergy at -23 C

ok, but i want to have an early reply Regards Zebmahar

Hello Guys! We are producing 10" x 11.7 x DRL Seamless pipe in API 5L Gr. X 60, with material composition as follow:- C = 0.14 %, Si = 0.22 %, Mn = 1.33 %, P = 0.0012 %, S = 0.00062 %, Cr = 0.165 %, Ni = 0.143 %, Mo = 0.022 %, Al = 0.0241 %, Cu = 0.215 %, Co = 0.0107 %, Ti = 0.0016...

Hello Guys! We are producing 10” x 11.7 x DRL Seamless pipe in API 5L Gr. X 60, with material composition as follow:- C = 0.14 %, Si = 0.22 %, Mn = 1.33 %, P = 0.0012 %, S = 0.00062 %, Cr = 0.165 %, Ni = 0.143 %, Mo = 0.022 %, Al = 0.0241 %, Cu = 0.215 %, Co = 0.0107 %, Ti = 0.0016...