Steel Guides & Blog

Material guides and application notes for buyers and engineers working with tool, alloy and stainless steels.

Application note

Steel grades for Karachi's tool and die shops: D2, H13, K100, P20 compared

A buyer's guide to the four main tool and mold steel grades Karachi's die shops order, and how to tell which one a job actually needs.

Application note

Sourcing steel for auto parts forging: a PAAPAM supplier's grade checklist

A practical grade-selection checklist for Pakistani auto parts forging shops, built around what PAAPAM-member companies actually forge and heat treat.

Application note

What steel goes into a Sialkot surgical instrument, and why

Sialkot is one of the world's largest surgical instrument manufacturing clusters. Here's the steel behind it, and why the grade choice varies by instrument type.

Application note

Plastic injection mold steel in Pakistan: P20, P20-Ni, and 2083 compared

A grade comparison for Pakistani mold makers choosing between P20, P20-Ni, and 2083 for plastic injection and die-casting tooling.

Material guide

P20 vs P20-Ni: picking a mold steel for thick-section molds

Standard P20 works for most plastic molds, but large or thick-section molds need P20-Ni's nickel addition for hardness that holds up through the core.

Material guide

H13 vs D2: choosing between hot-work and cold-work tooling

A practical comparison of H13 and D2 tool steel for Pakistani die shops: when each one is the right call and why swapping them fails.