Insights
Read practical steel sourcing insights from Yihang Metal, including grade selection, standards comparison, price trends, logistics planning and import risk control.
-
Steel Cleanliness Specification: Inclusions, Grain Size and Decarburisation Depth
Steel Cleanliness: How Inclusions, Grain Size, and Decarburisation Decide Whether Your Part Works Steel cleanliness is the specification nobody writes until something fails. A heat can meet every…
-
Delivery Condition of Steel Plate: Annealed, Normalized, Q&T, or TMCP Explained
Annealed, Normalized, Quenched and Tempered, or TMCP: How Delivery Condition Changes What You Receive Two orders for the same grade at the same thickness can arrive with completely…
-
Reading a Steel Mill Test Certificate: Yield Strength, Tensile and Elongation
Reading a Steel MTC: Yield Strength, Tensile Strength, Elongation, and Yield Ratio Explained A mill test certificate lists four numbers that decide whether steel is acceptable, and buyers…
-
HRPO, Pickled, Oiled or Dry Steel: How to Specify Hot-Rolled Surface Condition
HRPO, Pickled, Oiled or Dry: How to Specify Hot-Rolled Steel Surface Condition Correctly Hot-rolled steel leaves the mill with a surface that is not yet a product. It…
-
Pipe End Finish for Steel Pipe: Bevel vs Threaded vs Grooved Ends Explained
Pipe End Finish: Bevel vs Threaded vs Grooved — How to Specify End Preparation Before Ordering Pipe end finish is the last line of a specification and the…
-
Charpy Impact Testing Explained: How to Specify Toughness by Temperature, Energy, and Test Standard
Charpy Impact Testing Explained: How to Specify Toughness by Temperature, Energy, and Test Standard Impact toughness is the property buyers specify when they are worried about brittle fracture…
-
NDT Methods for Steel Buyers: UT vs RT vs MT vs PT vs Hydrostatic Testing Compared
NDT for Steel Buyers: Which Test Actually Proves What — UT vs RT vs MT vs PT vs Hydrostatic Non-destructive testing is the part of a steel purchase…
-
Carbon Equivalent (CEV, Pcm, CET) Explained: How Buyers Should Judge Weldability Before Ordering Steel
Carbon Equivalent (CEV, Pcm, CET) Explained: How Buyers Should Judge Weldability Before Ordering Steel Carbon equivalent is the number that decides whether a steel plate, pipe, or section…
-
Copper Alloy Selection Guide: Phosphor Bronze vs Nickel Silver vs Aluminium Bronze — How to Specify C51000, C7521, and C95400 by Conductivity, Strength, and Corrosion
Copper Alloy Selection Guide: Phosphor Bronze vs Nickel Silver vs Aluminium Bronze — How to Specify C51000, C7521, and C95400 by Conductivity, Strength, and Corrosion Copper alloy buyers…
-
Bearing Steel Buying Guide: GCr15 vs 100Cr6 vs 52100 vs SUJ2 — How to Specify Through-Hardening and Case-Hardening Bearing Steel by Cleanliness and Grade
Bearing Steel Buying Guide: GCr15 vs 100Cr6 vs 52100 vs SUJ2 — How to Specify Through-Hardening and Case-Hardening Bearing Steels by Cleanliness and Grade Bearing steel is the…