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Corrosion Test
Maurer Lab provides corrosion evaluation of all kinds of oil pipes, metal materials and products, electrochemical test and simulation environment test.
Corrosion Test Items
Test Items | Standard | Test Sample | Test Cycles |
HIC |
NACE TM0284 GB/T 8650 |
Plate Specimens Full-size Specimens |
15 days |
SOHIC | NACE TM0103 | Flexed Beam Sample | 15 days |
SCC |
YB/T5362 ASTM G36 ASTM G38 ASTM G39 ISO7539-2 ISO7539-3 ISO7539-5 ISO7539-8 ASTM D858 |
Uniaxial Tensile Sample Shape of Flexed Beam U-bending Sample C-ring Sample Pre-cracked sample (DCB) |
12 days(168h) 35 days(720h) |
SSC |
GB/T 4157 NACE TM0177 NACE MR0175 |
UT FPB CR DCB |
35 days(720h) |
CO2/H2S Corrosion in High Temperature and High Pressure | / |
UT FPB CR DCB Coupon |
12 days(168h) 35 days(720h) |
Pitting |
GB/T18590 ASTM G48 ASTM G46 ASTM G150 GB/T 17899 |
/ | 7-8 working days |
Crevice Corrosion | ASTM G48 | / | 7-8 working days |
Intergranular Corrosion |
GB/T 4334 ASTMA262 ASTM G28 GB/T 21433 |
/ | 3-15working days |
Biemetallic Corrosion | ASTM G71 | / | 7-8 working days |
Hydrogen Embrittlement(Disc Method) | BS EN ISO11114-4 | Disc Specimen | 15 days |
Immersion Test (Static, Dynamic) |
GB/T 10124 JB/T 7901 ASTM G31 NACE SP0775 NACE SP0171 |
Coupon |
12 days(168h) 35 days(720h) |
Alternate Immersion Test |
GB/T 19746 ASTM G44 |
CR Coupon |
12 days(168h) 35 days(720h) |
Salt Spray Test |
GB/T 10125 ISO 9227 GB/T 2423.17 ASTM G85 |
Coupon | Test Cycle+4 days |