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Drawings & Specs

JIS grades, drawing notes, and the documents Japanese suppliers send.

50 guidesShowing 37–48

Drawings & SpecsEquipment Loading Data for Foundations: What to Submit, WhenWhat equipment loading data must show (weights by condition, center of gravity, support points, forces) and when to submit it on Japanese plant projects.Oct 22, 2026Drawings & SpecsDI/DO, AI/AO, PI/PO Meaning: Reading a Japanese I/O ListLearn what DI/DO, AI/AO, and PI/PO mean, why I and O flip with viewpoint, the Japanese terms on a supplier's I/O list, and what to check on every row.Oct 22, 2026Drawings & SpecsHow to Read Japanese Engineering Drawings (JIS B 0001)Read Japanese engineering drawings with confidence: third-angle projection, line types, title block terms in English, JIS symbols, and a checklist.Oct 22, 2026Drawings & SpecsMating Flange (Companion Flange): Who Supplies It?Learn what ai-furanji (mating or companion flange) means on Japanese specs, who supplies it, and what to specify: standard, end type, bolts, and gaskets.Oct 22, 2026Drawings & SpecsJIS ERW vs Seamless Pipe: E, S, B Codes vs ASTM A53/A106Read JIS pipe process codes like STPG370-E-G and -S-H, see how ERW and seamless differ, and map them to ASTM A53 Type E/S and A106, with a checklist.Oct 22, 2026Drawings & SpecsEx d vs Ex e: Japanese Explosion-Proof Marks and TIISLearn how flameproof (Ex d) and increased safety (Ex e) differ, how to read Japanese marks like d2G4, and how TIIS certification relates to IECEx and ATEX.Oct 22, 2026Drawings & SpecsFlat Face vs Raised Face Flange: JIS FF/RF and ASME GuideLearn how JIS FF and RF flange facings differ from ASME B16.5, which combinations are safe with cast iron, and the JIS 10K gasket sizes to order.Oct 22, 2026Drawings & SpecsNFB Breaker vs. MCCB vs. ELB: Japanese Circuit Breaker TermsLearn what NFB, MCCB, ELB, and ELCB mean on Japanese drawings, how to read AF/AT ratings, and what to check before replacing a Japanese breaker.Oct 22, 2026Drawings & SpecsA5052 Equivalent: JIS Aluminum Designations vs. AA/ASTMDecode JIS aluminum designations like A5052P-H34, find AA, UNS, EN, and ASTM B209 equivalents, and see what to confirm before you substitute.Oct 22, 2026Drawings & SpecsJIS Tolerance Chart: JIS B 0405 General Tolerances vs. ASMERead JIS B 0405-m and JIS B 0419-mK callouts on Japanese drawings, see the full general tolerance chart, and learn how JIS differs from ASME Y14.5 Rule #1.Oct 22, 2026Drawings & SpecsJIS Pipe Schedule & Thickness Chart vs ASME (Sch 40, 40S)Read JIS pipe callouts like 100A Sch40 STPG370, compare JIS G3454/G3459 with ASME B36.10M/B36.19M, and see where Sch 40 and 40S differ, with a checklist.Oct 22, 2026Drawings & SpecsJIS Surface Roughness: Ra, Rz, and Triangle Finish SymbolsRead roughness on Japanese drawings: Ra vs. Rz, old Rz (RzJIS) and Rmax, triangle (▽▽▽) finish marks, JIS B 0601 vs. ISO, and Ra in microinches.Oct 22, 2026