Purchaser: INSPECTION CERTIFICATE Date: 2021-12-16

Order No.: PO4940 IMP 3047 ZIBO WEL-FIT METAL PRODUCTS CO., LTD APIISO9001-2008 NO-1122
Invoice No.: WFMP21A1294C 255 NE 87 ST, EL PORTAL, FL 33138, US Certificate to: EN10204-2004 3.1

Material Specification Specification for Inspection Visual and Dimensional Nb+Ta: - Cu+Ni+Cr+Mo: ≤1.00% PT:(5) - MT:(5) -
ASTM A234/A234M-15 ASME B16.9-12 Inspection GOOD Ti: - UT:(5) - RT:(5) -
WPB V+Nb: - IGC:(5) -
NACE MR0175/NACE MR0103
Tension Test (6) Chemical Composition %
Heat Raw Material
YS TS E
Heat Quantity C Si Mn P S Cr Mo Ni Cu V Al Ti Nb HB CE(2) Treat-
Product Description Mpa Mpa %
I.D. (Pcs) ment Type Manu-
240 415 (7) - 0.10 0.29 - - - - - - - - - - - - (3) facture
(4)
- - - 0.30 - 1.06 0.050 0.058 0.40 0.15 0.40 0.40 0.08 - - - 197 - r (1)
LR 90 ELBOW SCH160 WPB 3 W2006 33 320 506 32.5 0.17 0.21 0.55 0.011 0.005 0.02 0.02 0.01 0.02 0.003 - - - 139 0.272 HF 1 TJP
LR 90 ELBOW SCH160 WPB 4 W2308 16 305 494 32.5 0.15 0.32 0.54 0.017 0.005 0.04 0.008 0.033 0.04 0.012 - - - 147 0.339 HF 1 TJP
LR 90 ELBOW SCH160 WPB 6 W3107 24 310 465 35 0.19 0.22 0.55 0.01 0.006 0.05 0.007 0.026 0.009 0.008 - - - 138 0.297 HF 1 XSP
LR 90 ELBOW SCH160 WPB 8 W3316 8 365 552 31 0.19 0.24 0.54 0.011 0.005 0.03 0.002 0.02 0.04 0.001 - - - 144 0.374 HF 1 JSC
LR 90 ELBOW SCH160 WPB 10 W3506 3 305 485 32.5 0.19 0.23 0.54 0.012 0.008 0.06 0.013 0.07 0.03 0.003 - - - 146 0.302 HF 1 TJP
LR 90 ELBOW SCH160 WPB 12 W4302 3 315 475 32 0.21 0.2 0.52 0.02 0.007 0.016 0.011 0.01 0.005 0.006 - - - 138 0.304 HF 1 BTP
LR 90 ELBOW SCH40 WPB 1 W0601 65 384 490 30 0.2 0.21 0.45 0.014 0.006 0.02 0.01 0.01 0.02 0.006 - - - 139 0.284 HF 1 WCY
LR 90 ELBOW SCH40 WPB 1 1/2 W0901 520 309 477 32 0.19 0.2 0.43 0.016 0.005 0.021 0.002 0.014 0.063 0.021 - - - 140 0.276 HF 1 XSP
LR 90 ELBOW SCH40 WPB 2 W1106 40 320 485 34 0.19 0.23 0.54 0.007 0.004 0.029 0.009 0.029 0.026 0.006 - - - 146 0.292 HF 1 XSP
LR 90 ELBOW SCH40 WPB 2 1/2 W1301 78 395 480 30 0.18 0.24 0.52 0.019 0.005 0.027 0.001 0.021 0.031 0.013 - - - 141 0.278 HF 1 XSP
LR 90 ELBOW SCH40 WPB 3 W1506 260 322 520 33 0.19 0.23 0.55 0.008 0.005 0.057 0.009 0.05 0.14 0.028 - - - 138 0.313 HF 1 TJP
LR 90 ELBOW SCH40 WPB 4 W2010 78 320 485 33 0.19 0.25 0.55 0.009 0.008 0.03 0.008 0.021 0.008 0.007 - - - 145 0.293 HF 1 XSP
LR 90 ELBOW SCH40 WPB 6 W2504 52 320 506 32.5 0.19 0.21 0.53 0.008 0.005 0.14 0.001 0.079 0.03 0.011 - - - 136 0.316 HF 1 TJP
LR 90 ELBOW SCH40 WPB 8 W2902 78 284 493 33 0.2 0.22 0.44 0.01 0.007 0.032 0.008 0.033 0.12 0.004 - - - 144 0.292 HF 1 XSP
LR 90 ELBOW SCH40 WPB 10 W2905 65 340 490 31 0.18 0.22 0.55 0.011 0.009 0.02 0.02 0.01 0.02 0.008 - - - 136 0.283 HF 1 TJP
LR 90 ELBOW SCH40 WPB 12 W3305 20 322 520 33 0.18 0.23 0.55 0.009 0.005 0.014 0.005 0.05 0.04 0.007 - - - 141 0.283 HF 1 TJP
LR 90 ELBOW SCH40 WPB 14 W3502 5 315 475 32 0.19 0.23 0.54 0.011 0.008 0.032 0.021 0.009 0.032 0.009 - - - 145 0.295 HF 1 TJP
LR 90 ELBOW SCH40 WPB 16 W3703 5 325 500 32 0.2 0.23 0.52 0.01 0.009 0.034 0.022 0.027 0.024 0.01 - - - 147 0.303 HF 1 TJP
Note: (1) BTP = BAOTOU PIPE CORP, TJP = TPCO, XSP = XISHAN PIPE CORP, JSC = JIANGSU CHENGDE, WCY = WUCHYUAN STEELTUBUCO We hereby certify that the products detailed herein have been manufactured
(2)CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15.(3)HF:Hot formed (620~980 oC) and cooled in still air.S:Cold formed and normalized (900 oCx0.5HR),cooled in still air. and inspected in accordance with the specifications concerned and also with
SA:Cold formed and solution annealed at 1050 oC±10oC, water quenched. QT=Quenched+Tempered. NT=Normalized+Tempered. the purchaser's requirements and that the test results shown herein are
(4) 1=Seamless Pipe 2=Welded Pipe 3=Steel Plate. correct. This material was manufactured, tested, and inspected
Note:(5)IGC=Intergrannular Corrosion Test to ASTM A262 E RT=Radiographical Test PT=liquid penetrating test UT=ultrasonic inspection MT=Magnetic Particle Test without mercurial and radiation contamination.
Note:(6) YS=Yield Strength TS=Tensile Strength E=Elongation.(7)Standard round specimen, or small proportional specimen, min% in 4D:Longitudinal-22,
Transvers-14 Rectangular specimen for wall thickness 5/16 and over, and for all small sizes tested in full section;min % in 2 in.Longitudinal-30,Transverse-20,
Fittings made from plate min %:17. For each 1/32 in. decrease in wall thickness below 5/16 in.a deduction of 1.5% for longitudinal and 1.0% for transverse from the mentioned value.
(8)1=10x10x55 2=10x7.5x55 3=10x5x55 4=10x2.5x55 A:matrix，B:Weld，C:HAZ
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