Steel Compare

35# vs 45# – Composition, Heat Treatment, Prope...

Introduction 35# and 45# are two widely used medium‑carbon steel grades encountered in mechanical components, shafts, fasteners, and forgings. Engineers, procurement managers, and manufacturing planners commonly weigh tradeoffs between cost,...

25# vs 35# – Composition, Heat Treatment, Prope...

Introduction Engineers and procurement teams frequently choose between 25# and 35# when specifying carbon steels for shafts, pins, bushings, and general structural components where cost, machinability, and mechanical performance must...

20# vs 25# – Composition, Heat Treatment, Prope...

Introduction 20# and 25# are two common designation labels used in several regional standards (notably Chinese GB/GB/T practice) to identify plain carbon steels frequently employed in general engineering, shafts, fasteners,...

10# vs 20# – Composition, Heat Treatment, Prope...

Introduction 10# and 20# are two widely used plain-carbon steel grades in manufacturing and construction, frequently specified in Chinese and regional supply chains. Engineers, procurement managers, and manufacturing planners commonly...

SAE1020 vs SAE1045 – Composition, Heat Treatmen...

Introduction SAE1020 and SAE1045 are two of the most commonly specified plain-carbon steels in engineering drawings and procurement. The selection dilemma typically arises when designers and procurement specialists must balance...

SAE1010 vs SAE1020 – Composition, Heat Treatmen...

Introduction SAE1010 and SAE1020 are two widely used low‑carbon steels that appear across fabrication, machining, and structural applications. Engineers, procurement managers, and manufacturing planners often choose between them when balancing...

SPCC vs SPCF – Composition, Heat Treatment, Pro...

Introduction SPCC and SPCF are two common cold‑rolled carbon steel designations encountered in JIS (Japanese Industrial Standards)–based supply chains and in global procurement where JIS grades are used as references....

SPCC vs SPCE – Composition, Heat Treatment, Pro...

Introduction SPCC and SPCE are two JIS-designated cold-rolled carbon steel grades widely used in sheet and strip applications. Engineers and procurement teams commonly face the choice between these grades when...

SPHD vs SPHE – Composition, Heat Treatment, Pro...

Introduction SPHD and SPHE are two commonly specified hot-rolled structural steel grades used in general engineering, automotive subcomponents, and cold-formed components. Engineers and procurement teams frequently balance trade-offs between cost,...

SPHC vs SPHD – Composition, Heat Treatment, Pro...

Introduction SPHC and SPHD are two commonly specified JIS (Japanese Industrial Standard) hot-rolled steel grades used across fabrication, automotive components, general structure, and light manufacturing. Engineers and procurement teams often...

ST37 vs ST52 – Composition, Heat Treatment, Pro...

Introduction ST37 and ST52 are legacy German structural-steel grades widely referenced in European practice and in many industrial supply chains. Engineers, procurement managers, and manufacturing planners commonly face the choice...

A572 Gr50 vs A992 – Composition, Heat Treatment...

Introduction ASTM A572 Grade 50 and ASTM A992 are two of the most commonly specified structural steels in North America. Engineers, procurement managers, and fabricators routinely weigh trade-offs between cost,...

A516 Gr60 vs A516 Gr70 – Composition, Heat Trea...

Introduction ASTM A516 is a family of carbon steel pressure‑vessel plates widely used for boilers, pressure vessels, and storage tanks. The common engineering choice between A516 Grade 60 and Grade...

40Cr vs 45Cr – Composition, Heat Treatment, Pro...

Introduction 40Cr and 45Cr are two commonly specified quenched-and-tempered alloy/carbon steels used for shafts, gears, axles, and other mechanical components. Engineers and procurement professionals frequently weigh the trade-offs between higher...

202 vs 204 – Composition, Heat Treatment, Prope...

Introduction Austenitic 200‑series stainless alloys such as "202" and "204" are commonly proposed as lower‑nickel alternatives to 300‑series grades where cost, formability, and corrosion resistance must be balanced. Engineers and...

201 vs 202 – Composition, Heat Treatment, Prope...

Introduction Selecting between stainless steel grades 201 and 202 is a frequent procurement and design decision for engineers, manufacturing planners, and buyers balancing corrosion resistance, mechanical performance, and cost. Typical...

30CrMo vs 35CrMo – Composition, Heat Treatment,...

Introduction 30CrMo and 35CrMo are chromium–molybdenum alloy steels commonly specified for forged or machined components that require higher strength and toughness than plain carbon steels. Engineers and procurement professionals typically...

42CrMo vs 40CrNiMoA – Composition, Heat Treatme...

Introduction Engineers, procurement managers, and manufacturing planners commonly face the choice between 42CrMo and 40CrNiMoA when specifying components that require a balance of strength, toughness, and hardenability. Typical decision contexts...

42CrMo vs 42CrMo4 – Composition, Heat Treatment...

Introduction 42CrMo and 42CrMo4 are medium‑carbon chromium‑molybdenum alloy steels widely used for high‑strength, heat‑treatable components such as shafts, gears, and fasteners. Engineers and procurement professionals often face a selection dilemma...

35CrMo vs 42CrMo – Composition, Heat Treatment,...

Introduction 35CrMo and 42CrMo are two closely related chromium–molybdenum alloy steels used for structural and mechanically loaded components. Engineers, procurement managers, and manufacturing planners routinely weigh trade-offs between strength, toughness,...

20CrMo vs 42CrMo – Composition, Heat Treatment,...

Introduction 20CrMo and 42CrMo are two widely used low-alloy steels encountered in power transmission components, gears, shafts, and heavy machinery. Engineers and procurement managers frequently must choose between the two...

20Cr vs 20CrMo – Composition, Heat Treatment, P...

Introduction 20Cr and 20CrMo are two widely used low‑alloy carburizing steels encountered in transmission, automotive, and general machinery components. Engineers and procurement specialists commonly evaluate them for parts that require...

304L vs 321 – Composition, Heat Treatment, Prop...

Introduction 304L and 321 are two widely used austenitic stainless steels whose selection is a frequent engineering dilemma. Engineers, procurement managers, and manufacturing planners commonly weigh corrosion resistance, fabrication and...

304L vs 316L – Composition, Heat Treatment, Pro...

Introduction 304L and 316L are two of the most widely specified austenitic stainless steels. Engineers, procurement managers, and manufacturing planners frequently weigh the trade-offs between corrosion resistance, fabrication ease, and...

304 vs 430 – Composition, Heat Treatment, Prope...

Introduction Engineers and procurement teams frequently choose between 304 and 430 stainless steels when balancing corrosion resistance, formability, weldability, and cost for fabricated components. Typical decision contexts include kitchen equipment...

304 vs 310S – Composition, Heat Treatment, Prop...

Introduction 304 and 310S are two of the most frequently specified austenitic stainless steels in industry. Engineers and procurement professionals commonly weigh trade-offs between corrosion performance, high-temperature stability, weldability, and...

304 vs 309S – Composition, Heat Treatment, Prop...

Introduction Engineers, procurement managers, and manufacturing planners frequently face a choice between AISI 304 and 309S stainless steels when specifying components for corrosive or high-temperature service. The decision often trades...

304 vs 347 – Composition, Heat Treatment, Prope...

Introduction Type 304 and Type 347 are two of the most widely used austenitic stainless steels in industry. Engineers, procurement managers, and manufacturing planners commonly weigh trade-offs between initial material...

304 vs 321 – Composition, Heat Treatment, Prope...

Introduction Austenitic stainless steels 304 and 321 are among the most commonly specified grades in design, fabrication, and procurement. Engineers and purchasing professionals routinely weigh trade-offs between corrosion resistance, high-temperature...

304 vs 316L – Composition, Heat Treatment, Prop...

Introduction Type 304 and 316L are the two most commonly specified austenitic stainless steels in industry. Engineers, procurement managers, and manufacturing planners routinely weigh corrosion resistance, fabrication characteristics, weldability, mechanical...