Steel Guides & Blog

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

Application note

Gear and shaft steel for Pakistan's forging sector: 4140, 8620, and 5140 side by side

Three alloy steel grades cover most of the gear and shaft work in Pakistan's forging sector. Here's how to tell which one a given part actually needs.

Material guide

EN31 bearing steel: what "through-hardening" actually buys you

EN31, also known as 52100, is the standard bearing steel. Here's what through-hardening means in practice and where the grade is actually used.

Material guide

D2 tool steel: composition, hardness, and why Karachi's tool rooms default to it

What D2 tool steel is made of, how hard it gets, and why it's the default cold-work grade in Karachi's die shops.

Application note

Cutting tool steel for machine shops: M2, M42, and when to upgrade

M2 covers most high speed steel cutting tool needs. Here's when a Pakistani machine shop should actually pay more for M42's cobalt addition.

Application note

Cutlery-grade stainless: what Wazirabad manufacturers actually buy

Wazirabad is Pakistan's cutlery capital and the world's third-largest cutlery exporter. Here's the stainless steel behind that industry and how sourcing actually works there.

Application note

Bearing and precision shaft steel: EN31 and where it's used locally

EN31 bearing steel serves a narrower, more technical buyer than general forging steel. Here's what it's for and who in Pakistan actually needs it.