ISO 1461-2022 “Lapisan galvanis hot dip pada produk baja – Spesifikasi dan metode pengujian”
Perkenalan
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ISO 1461-2022 “Lapisan galvanis hot dip pada produk baja – Spesifikasi dan metode pengujian”
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This document has been prepared by Technical Committee ISO/TC 107, Metallic and other inorganic Coatings, Sub-Committee SC 4, Hot Dip Coatings (galvanization, dll.) in cooperation with Technical Committee CEN/TC 262 of the European Committee for Standardization (CEN) on metallic and other inorganic Coatings, According to the technical cooperation agreement between ISO and CEN (Vienna Agreement).
The fourth edition cancelates and replaces the third edition (ISO 1461:2009), yang secara teknis telah direvisi.
ISO 1461-2022 “Lapisan galvanis hot dip pada produk baja – Spesifikasi dan metode pengujian”
The main changes are as follows:
— Added definitions of “galvanizing”, “post-treatment”, “additional coating”, “wet storage stain” Dan “sistem dua fasa” di Bab 3;
-The difficulty of removing flux residues and zinc ash when restricted access is recognized in 6.1;
– The reference area selection procedure has been clarified and additional requirements have been added in 6.2.3 untuk menghindari penggunaan area referensi pada komponen bantu kecil tertentu pada item yang lebih besar;
— Modified refurbishment requirements for uncoated areas: removed the requirement for zinc-containing paint pigments to comply with ISO 3549; Annex C has been extended to include additional information on the applicability of the different refurbishment methods given in 6.3;
— Semua persyaratan terkait dengan ketebalan lapisan, termasuk Tabel 3 Dan 4, telah ditempatkan di 6.5, including requirements related to the dimensions of items previously in the control sample in 6.2.3; The new requirements for these steels in 6.5 recognize the lower coating thickness that results in ultra-low reactivity steels;
– Updated corrosion resistance information for galvanized coatings, including long-term corrosion resistance in reference to ISO 9224 in Appendix E.
ISO 1461-2022 “Lapisan galvanis hot dip pada produk baja – Spesifikasi dan metode pengujian”
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1 Scope of application
This document specifies the general properties of hot dip galvanized coatings and test methods for hot dip galvanized coatings applied by immersing steel products (including certain castings) in a zinc melt (containing no more than 2% of other metals). This document does not apply to:
A) continuous hot dip galvanized sheet, produk kawat dan jaring yang dikepang atau dilas;
B) hot-dip galvanized pipes in automation equipment;
C) hot dip galvanized products (seperti pengencang) for which specific standards exist and may include additional requirements or requirements different from those in this document.
Catatan: Individual product standards can be incorporated into this document by referring to the number of galvanized coatings, atau dapat digabungkan dengan modifikasi khusus produk. Different requirements can also be made for galvanized coatings on products designed to meet specific regulatory requirements.
ISO 1461-2022 “Lapisan galvanis hot dip pada produk baja – Spesifikasi dan metode pengujian”
Dokumen ini tidak berlaku untuk pasca perawatan atau pelapisan tambahan pada produk galvanis celup panas.
2 Dokumen referensi normatif
Ketika dokumen-dokumen berikut dirujuk dalam teks, part or all of them constitute the requirements of this document. Untuk referensi bertanggal, the citation-only version applies. Untuk kutipan tak bertanggal, the new version of the cited document (termasuk revisi apa pun) berlaku.
ISO 752, zinc ingot
ISO 1460, Lapisan logam — hot dip galvanized coatings on ferrous metallic materials — gravimetric determination of mass per unit area
ISO 2064, Pelapis logam dan anorganik lainnya – Definisi dan konvensi untuk pengukuran ketebalan
ISO 2178, lapisan non-magnetik pada substrat magnetik – Pengukuran ketebalan lapisan – metode magnetik
ISO 2859-1, Sampling procedures for inspection by property – Bagian 1: Sampling scheme for the acceptance quality limit (AQL) index for batch inspection
ISO 2859-2, Sampling procedures for testing by property – Bagian 2: Rencana pengambilan sampel diindeks berdasarkan kualitas terbatas (LQ) for testing of isolated batches
ISO 2859-3, sampling procedures for testing by property – Bagian 3: Sampling procedures for skipping batches
ISO 10474, Steel and steel products – inspection documents
ISO 14713-2:2019, Lapisan seng — Guidelines and recommendations for corrosion protection of steel in structured-part 2: Galvanisasi celup panas
DI DALAM 1179, Seng dan paduan seng — primary zinc
DI DALAM 13283, Seng dan paduan seng — Seng daur ulang
ISO 1461-2022 “Lapisan galvanis hot dip pada produk baja – Spesifikasi dan metode pengujian”
3 Istilah dan definisi
Untuk keperluan dokumen ini, istilah dan definisi yang diberikan dalam ISO 2064 dan di bawahnya berlaku.
ISO and IEC maintain terminology databases for standardization at:
– Platform penjelajahan online ISO: iso.org/obp
– Elektropedia IEC: tersedia di electropedia.org
3.1 Galvanisasi celup panas
To form a galvanized coating of zinc or zinc-iron alloys or both on fabricated iron or steel products by immersion of a zinc melt (3.16)
3.2 Lapisan galvanis celup panas
Lapisan galvanis
Lapisan diperoleh dengan galvanisasi hot dip intermiten (3.1)
3.3 Mesin elektroplating
Hot dip galvanized (3.1) batch steel products company or organization
3.4 Galvanized layer
Massa total seng atau paduan seng per luas permukaan, atau keduanya
Catatan 1: Kualitas lapisan galvanis dinyatakan dalam gram per meter persegi, g/m 2.
3.5 Thickness of galvanized layer
Total thickness of zinc or zinc alloy, atau keduanya
Remark 1: The thickness is expressed in micrometer µm.
ISO 1461-2022 “Lapisan galvanis hot dip pada produk baja – Spesifikasi dan metode pengujian”
3.6 Salient surface
A portion of an article that is or will be covered by a galvanized coating and that is required for the use of performance or appearance or both
3.7 Sampel kontrol
Select items or groups of items from the batch for sampling
3.8 Daerah Referensi
An area where a specific number of single measurements are made
3.9 Ketebalan lapisan galvanis lokal
The average galvanized coating thickness (3.5) is a single value from a magnetic test or a weight test obtained from a specific number of measurements within the reference area (3.8)
3.10 Ketebalan lapisan galvanis rata-rata
Average thickness of local galvanized coating (3.9)
3.11 Lapisan galvanisasi lokal
Galvanized layer quality value obtained from a single weight test (3.4)
3.12 Kualitas lapisan galvanis rata-rata
Kualitas lapisan galvanis rata-rata (3.4) ditentukan dengan menggunakan sampel kontrol (3.7) atau dengan konversi ketebalan lapisan galvanis rata-rata (3.10)
Catatan Masuk 1: Control samples should be selected according to Chapter 5 using tests conforming to ISO 1460.
ISO 1461-2022 “Lapisan galvanis hot dip pada produk baja – Spesifikasi dan metode pengujian”
3.13 Kelompok inspeksi
Pesanan tunggal atau muatan pengiriman tunggal
3.14 Penerimaan
Kelompok inspeksi (3.13) at hot dip galvanizing (3.1) factory unless otherwise specified
3.15 Area yang tidak dilapisi
The area of a steel product that does not react with molten zinc
3.16 Seng meleleh
A molten substance containing chiefly zinc
3.17 Kebocoran las
Discharge the previously reserved pretreatment solution from a narrow space between two closely contacting surfaces of intermittent welding or from a very small cavity (lubang jarum) dalam pengelasan produk galvanis
3.18 Setelah perawatan
Penerapan segera bahan kimia atau perawatan lain yang memiliki efek sementara, seperti menghambat noda penyimpanan basah (3.20) atau meningkatkan penampilan produk galvanis
3.19 Lapisan tambahan
Application of galvanized post-coating as part of a duplex system (3.21), such as liquid coating or powder coating
ISO 1461-2022 “Lapisan galvanis hot dip pada produk baja – Spesifikasi dan metode pengujian”
3.20 Penyimpanan noda basah
Noda permukaan disebabkan oleh pembentukan produk korosi seng, biasanya seng hidroksida dan seng oksida, when newly galvanized steel is stored or transported under wet or damp conditions
3.21 Duplex systems
Lapisan galvanis celup panas (3.2) dengan tambahan lapisan cair atau lapisan bubuk
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