Weld Defects Guide: Porosity, Lack of Fusion, Undercut & Cracks

Most weld defects trace to four root causes — contamination, wrong heat input, poor technique...

Tool Steel Supplier – D2, H13, P20, O1 & M2 Die Steel from Shanghai

HXSCO supplies tool and die steel — D2, H13, P20, O1, A2 and M2 —...

Surface Roughness Guide: Ra, Rz & N Grades Explained

Surface roughness is specified as Ra — the arithmetic average height deviation in micrometres —...

Carbon Equivalent (CE) in Steel: Weldability, Formulas & Preheat

Carbon equivalent (CE) converts a steel's alloy content into a single number that predicts weldability...

Refractory Metals Supplier – Tungsten, Molybdenum & Tantalum from Shanghai

HXSCO supplies refractory metals — tungsten, molybdenum, tantalum and niobium — the ultra-high-melting, high-strength and...

Metal Tolerances & ISO Fits: H7/g6, IT Grades Explained

ISO 286 defines a tolerance by an IT grade for size and a letter for...

Metal Machinability Guide: Ratings, Chip Control & Tool Life

Machinability rating compares how easily a metal cuts against AISI 1212 steel at 100 —...

Metal Electrical Conductivity: %IACS Ranking & Selection Guide

Electrical conductivity is quoted as %IACS against pure annealed copper at 100 — silver leads...

Creep in Metals: Mechanism, Creep Rupture & High-Temperature Alloys

Creep is slow, permanent deformation of metal held under constant load at high temperature —...

Dissimilar Metal Welding: Stainless to Carbon, Aluminium to Steel

Dissimilar metal welding works when the two metals have compatible melting points and form no...