Zharfahan encyclopedia
A growing English guide library covering benchmarks, grades, inspection and delivered costs for international buyers sourcing steel from Iran.
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Global marketsDecision guide · 5 min
Platts publishes commodity price assessments and market specifications through S&P Global Commodity Insights. Each symbol has a defined technical and commercial basis. Identify the exact product, quality, location, timing and trade terms represented by an assessment before comparing it with your purchase.
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Iran marketDecision guide · 5 min
Iranian steel prices reflect feedstock and energy costs, capacity, commodity-exchange supply, project demand, dealer inventory, currency, trade and financing, each with different lags. Identify whether cost, supply, demand, currency or expectations are currently dominant, distinguishing causes from coincident movements.
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Buying guidesDecision guide · 5 min
Steel procurement links requirement definition, comparable quotations, supplier evaluation, ordering, inspection, transport and acceptance. Errors at one stage pass into the next. Combine technical needs, commercial terms, documents and acceptance criteria into one controlled package before issuing the RFQ.
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Buying guidesDecision guide · 5 min
Steel procurement links requirement definition, comparable quotations, supplier evaluation, ordering, inspection, transport and acceptance. Errors at one stage pass into the next. Combine technical needs, commercial terms, documents and acceptance criteria into one controlled package before issuing the RFQ.
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Buying guidesDecision guide · 5 min
Landed cost combines goods price with the cost of making them available for use: taxes, loading, freight, insurance, weighing, cutting, scrap, financing, inspection and downtime. Convert every offer into the cost of usable material at the project location on a common timing basis.
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Buying guidesDecision guide · 5 min
Theoretical weight comes from geometry and an agreed density; actual weight comes from weighing the shipment. Differences may be normal, tolerance-related or caused by incorrect data. Clarify whether the contract uses theoretical weight, weighbridge weight or count, and distinguish dimensional tolerance from weighing error.
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Buying guidesDecision guide · 5 min
Inspection documents provide different levels of conformity declaration and test results. The terms 3.1 and 3.2 define relationships between issuer, inspection and product rather than simply naming a file. Choose the document type from risk and contract requirements, then verify authenticity, scope, results and linkage to the heat and product.
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Buying guidesDecision guide · 5 min
PMI quickly checks composition to confirm or distinguish materials. XRF, OES and other methods have different capabilities and limitations, particularly for light elements and carbon. Select the PMI method and testing coverage from target elements and mix-up risk, combining results with documents and traceability.
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Buying guidesDecision guide · 5 min
UT transmits sound through plate thickness and examines reflections from boundaries and defects, helping identify laminations and internal discontinuities. Specify the standard, acceptance class, scan area, probe and reporting for the application and thickness; UT OK is insufficient.
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Buying guidesDecision guide · 5 min
Weld quality depends on base metal, joint design, consumables, heat input, skill, sequence and acceptance criteria as well as final appearance. Link the designed joint, WPS, qualifications, fit-up, execution and inspection into one traceable process.
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Buying guidesDecision guide · 5 min
Steel can suffer coil collapse, bent lengths, pipe dents, coating scratches and moisture between sheets despite its apparent robustness. Design and document loading and restraint from product shape, weight, center of gravity, sensitive surfaces, route and unloading method.
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Buying guidesDecision guide · 5 min
Uncoated, oiled, galvanized, painted and stainless products have different storage needs. Trapped water and condensation inside packaging can damage material faster than visible rain. Plan storage around surface sensitivity, duration, moisture, ventilation, ground clearance, stacking and first-in, first-out rotation.
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Buying guidesDecision guide · 5 min
An effective claim demonstrates the difference from the order using repeatable data, identifying the lot, affected quantity, timing, condition and requested remedy. Preserve the shipment, measure deviations against contractual criteria, and complete the evidence chain before consuming or modifying material.
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