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All Journal Jurnal Teknik Industri Terintegrasi (JUTIN) Journal of Applied Sciences, Management and Engineering Technology (JASMET) JURNAL ILMIAH TEKNIK INDUSTRI DAN INOVASI (JISI)
Meryanalinda Meryanalinda
Universitas Gresik
Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mechanical Engineering

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ANALYSIS OF CORROSION RATE OF ASTM A 387 GRADE 12 AND A 283 GRADE FOR SULFURIC ACID TANK MATERIAL Meryanalinda Meryanalinda; Dedy Rachman Ardian; Mochammad Shocib; Ahmad Yasin
Journal of Applied Sciences, Management and Engineering Technology Vol 1, No 2 (2020)
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.jasmet.2020.v1i2.1194

Abstract

Corrosion is a process of degradation metal quality which is very detrimental in the industry. Especially in an industries related to utilization of acidic liquids such assulfuric acid, hydrochloric acid, etc. If corrosion rate of carbon steel can be estimated, the prediction of remaining life of carbon steel, and the preventive methods of corrosionwould be more appropriate. This will reduce technical, economic and aesthetic losses. The aims of this study was to determine corrosion rate of carbon steel in sulfuric acid. This study used ASTM A 387 Grade 12 and ASTM A 283 Grade A carbon steel type fortank material, where one material is represented by 5 specimen. The corrosion rate of Specimens were measured by the weight loss method for 31 days. The 5 specimens were divided into 3 regions where specimens no.1 and 2 were immersed in  sulfuric acid , specimens no.3 were in the middle area or zone level (partially immersed), and specimens no.4 and 5 were not immersed in sulfuric acid. The highst corrosion rate occured on specimen No.3 with maximum corrosion rate was 0,097 mm/y for ASTM A 387 Gr 12 and 0,096 mm/y untuk material ASTM A 283 Gr A. The results of corrosion rate on ASTM A 387 Grade 12 material are lower than corrosion rate of ASTM A 283 Grade A material. This is caused by presence of Mo and Cr alloy elements in ASTM A 387 Grade 12.
Evaluasi Laju Korosi dan Estimasi Remaining Life Material ASTM A333 Grade 6 pada Sistem Transmisi Gas Menggunakan Metode Corrosion Coupon Miftahul Habibil Fajri; Lisa Puspita Ariyanto; Meryanalinda Meryanalinda
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 2 (2026): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i2.60050

Abstract

Internal corrosion is a key factor affecting the integrity and reliability of gas transmission pipelines. This study evaluates the corrosion rate and estimates the remaining life of ASTM A333 Grade 6 material using the weight loss-based corrosion coupon method. Measurements were conducted at three locations: an offshore platform (CC-01), a riser/subsea transition section (CC-02), and an onshore receiving station (CC-03), with a 30-day exposure period. Corrosion rates were determined according to ASTM G31, while remaining life was estimated based on API 570 and ASME B31.8. The results showed corrosion rates of 0.846; 0.524; and 0.188 mpy, all classified as low. Estimated remaining life values were 97.65, 157.71, and 439.68 years. Low corrosion rates were associated with dry gas conditions, low CO₂ and H₂S partial pressures, and the absence of free water. The pipeline system remains within acceptable integrity limits. Accordingly, API 570 inspection intervals should be maintained to ensure reliability and safety. 
Analisis Laju Korosi Baja Tahan Karat SS304 dan SS316 dalam Larutan Natrium Hidroksida pada Berbagai Kondisi Temperatur dan Kecepatan Pengadukan Mohammad Iqbal Faza Masyrofi; Lisa Puspita Ariyanto; Meryanalinda Meryanalinda
JURNAL ILMIAH TEKNIK INDUSTRI DAN INOVASI Vol. 4 No. 2 (2026): April : Jurnal Ilmiah Teknik Industri dan Inovasi
Publisher : CV. ALIM'SPUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59024/jisi.v4i2.1942

Abstract

Korosi pada material stainless steel dalam lingkungan basa dan temperatur tinggi menjadi salah satu faktor yang memengaruhi umur pakai peralatan pada sistem netralisasi minyak sawit. Penelitian ini bertujuan menganalisis pengaruh temperatur dan kecepatan pengadukan terhadap laju korosi serta membandingkan ketahanan korosi baja tahan karat SS304 dan SS316 dalam larutan NaOH 1 M. Pengujian dilakukan menggunakan metode weight loss berdasarkan standar ASTM G31–72 selama 49 hari dengan variasi temperatur 70°C, 90°C, dan 110°C serta kecepatan pengadukan 100 rpm, 200 rpm, dan 300 rpm. Laju korosi dihitung berdasarkan kehilangan massa spesimen dan dianalisis menggunakan klasifikasi ketahanan korosi. Hasil penelitian menunjukkan bahwa peningkatan temperatur dan kecepatan pengadukan menyebabkan peningkatan laju korosi pada kedua material. Nilai laju korosi tertinggi diperoleh pada SS304 sebesar 0,0247 mm/tahun pada kondisi 110°C dan 300 rpm, sedangkan nilai terendah diperoleh pada SS316 sebesar 0,0124 mm/tahun pada kondisi 70°C dan 100 rpm. Secara umum, SS316 menunjukkan ketahanan korosi yang lebih baik dibandingkan SS304 karena kemampuan mempertahankan lapisan pasif yang lebih tinggi. Berdasarkan klasifikasi ketahanan korosi, sebagian besar kondisi pengujian berada pada kategori sangat baik sehingga kedua material masih layak digunakan pada sistem netralisasi minyak sawit, dengan SS316 lebih direkomendasikan untuk kondisi operasi yang lebih agresif.
Co-Authors Ahmad Yasin Dedy Rachman Ardian Lisa Puspita Ariyanto Lisa Puspita Ariyanto Miftahul Habibil Fajri Mochammad Shocib Mohammad Iqbal Faza Masyrofi