Steel Compare

Q345R vs Q420R – Composition, Heat Treatment, P...

Introduction Selecting the correct pressure‑vessel steel grade is a common dilemma for engineers, procurement managers, and manufacturing planners balancing strength, toughness, weldability, and cost. Q345R and Q420R are two Chinese-designated...

X12CrMo5 vs X20CrMoV12-1 – Composition, Heat Tr...

Introduction Engineers and procurement professionals frequently face the choice between steels that look similar on paper but serve different roles in service: one offers corrosion and elevated-temperature resistance with reasonable...

P91 vs X10CrMoVNb9-1 – Composition, Heat Treatm...

Introduction Selecting between P91 and X10CrMoVNb9-1 is a common dilemma for engineers and procurement teams working on high-temperature pressure systems, power-plant piping, and steam-cycle components. Decisions are typically driven by...

T91 vs T92 – Composition, Heat Treatment, Prope...

Introduction T91 and T92 are two closely related ferritic-martensitic chromium-molybdenum (and tungsten-modified) steels widely used in high-temperature power-generation and petrochemical equipment. Engineers, procurement managers, and manufacturing planners frequently face a...

Incoloy 800 vs Incoloy 825 – Composition, Heat ...

Introduction Incoloy 800 and Incoloy 825 are two nickel‑iron‑chromium alloys widely used across chemical processing, power generation, and petroleum refining. Engineers, procurement managers, and manufacturing planners commonly weigh tradeoffs between...

Inconel 625 vs Incoloy 825 – Composition, Heat ...

Introduction Inconel 625 and Incoloy 825 are two widely used nickel‑base alloys that frequently appear as alternatives during material selection for corrosive or high‑temperature service. Engineers, procurement managers, and manufacturing...

Inconel 600 vs Inconel 625 – Composition, Heat ...

Introduction Inconel 600 (UNS N06600) and Inconel 625 (UNS N06625) are two widely used nickel‑based alloys in high‑temperature, corrosive and high‑stress industrial environments. Engineers, procurement managers and manufacturing planners frequently...

310S vs 309S – Composition, Heat Treatment, Pro...

Introduction Austenitic stainless steels 310S and 309S are frequently considered side-by-side when designers must balance high-temperature performance, corrosion resistance, weldability, and material cost. Typical decision contexts include furnace hardware and...

316Ti vs 321H – Composition, Heat Treatment, Pr...

Introduction 316Ti and 321H are both austenitic stainless steels used where combination of corrosion resistance and elevated-temperature performance is required. Choosing between them is a recurring dilemma for engineers and...

310S vs 253MA – Composition, Heat Treatment, Pr...

Introduction Engineers, procurement managers, and manufacturing planners routinely choose between stainless alloys on the basis of corrosion resistance, high-temperature performance, weldability, and cost. 310S and 253MA are both corrosion-resistant stainless...

304H vs 321H – Composition, Heat Treatment, Pro...

Introduction 304H and 321H are two austenitic stainless-steel grades commonly specified for high-temperature and corrosion-resistant applications. Engineers and procurement professionals often weigh the trade-offs between corrosion resistance, high-temperature performance, weldability,...

1Cr18Ni9Ti vs 0Cr18Ni9 – Composition, Heat Trea...

Introduction Engineers and procurement teams often face the choice between two close stainless-steel grades: 1Cr18Ni9Ti and 0Cr18Ni9. The decision typically balances corrosion performance after welding or high-temperature exposure, fabrication and...

X42 vs X46 – Composition, Heat Treatment, Prope...

Introduction X42 and X46 are widely used pipeline and line‑pipe steel grades (commonly referenced under API/ASME systems) and are often compared when engineers balance strength, weldability, toughness, and cost. Typical...

API 5L B vs X42 – Composition, Heat Treatment, ...

Introduction Engineers and procurement teams often choose between API 5L Grade B and X42 when specifying linepipe, pressure-containing members, or structural tubing where cost, weldability, and mechanical performance must be...

API 5L A vs B – Composition, Heat Treatment, Pr...

Introduction API 5L Grade A and Grade B are two longstanding carbon-steel designations in the API 5L specification for line pipe. Engineers, procurement managers, and manufacturing planners commonly face the...

9Cr18Mo vs 9Cr18MoV – Composition, Heat Treatme...

Introduction 9Cr18Mo and 9Cr18MoV are martensitic stainless-steels commonly encountered in components where a balance of hardness, wear resistance, and corrosion resistance is required—examples include cutting tools, wear parts, valve components,...

9Cr18 vs 9Cr18Mo – Composition, Heat Treatment,...

Introduction Choosing between 9Cr18 and 9Cr18Mo is a common decision for engineers, procurement managers, and manufacturing planners specifying martensitic stainless steels for components that require a combination of wear resistance,...

4Cr13 vs 9Cr18 – Composition, Heat Treatment, P...

Introduction 4Cr13 and 9Cr18 are two widely used martensitic stainless steel grades in Chinese and international practice. Engineers and procurement professionals commonly face a selection dilemma between them: balancing wear...

3Cr13 vs 4Cr13 – Composition, Heat Treatment, P...

Introduction 3Cr13 and 4Cr13 are martensitic stainless-steel grades that are widely used in components where moderate corrosion resistance must be balanced with wear resistance and strength (examples: cutlery, valves, shafts,...

2Cr13 vs 3Cr13 – Composition, Heat Treatment, P...

Introduction Engineers, procurement managers, and manufacturing planners often face a common selection dilemma when specifying martensitic stainless steels for components: balance cost and machinability against strength, wear resistance, and corrosion...

1Cr13 vs 2Cr13 – Composition, Heat Treatment, P...

Introduction Engineers, procurement managers, and manufacturing planners routinely face choices between closely related stainless and alloy steels where small compositional differences have outsized effects on performance and cost. Two grades...

Hastelloy C276 vs C22 – Composition, Heat Treat...

Introduction Hastelloy C276 and Hastelloy C22 are two widely used nickel‑based corrosion‑resistant alloys that often appear as competing choices in chemical processing, pollution control, and offshore systems. Engineers and procurement...

Inconel 625 vs Hastelloy C276 – Composition, He...

Introduction Engineers, procurement managers, and manufacturing planners frequently choose between Inconel 625 and Hastelloy C-276 when a design requires a corrosion-resistant, high-performance nickel alloy. The decision typically balances corrosion resistance...

Inconel 718 vs Inconel X750 – Composition, Heat...

Introduction Inconel 718 and Inconel X-750 are two of the most commonly specified precipitation‑strengthened nickel‑chromium alloys in aerospace, power generation, and high‑temperature industrial applications. Engineers and procurement teams routinely choose...

L415 vs L450 – Composition, Heat Treatment, Pro...

Introduction Engineers, procurement managers, and manufacturing planners frequently choose between closely related steel grades when balancing strength, weldability, cost, and in-service loading. L415 and L450 are paired grades that are...

L390 vs L415 – Composition, Heat Treatment, Pro...

Introduction Engineers, procurement managers, and manufacturing planners frequently face trade-offs when selecting a steel grade: higher strength often conflicts with ease of fabrication and welding, while better weldability can limit...

L360 vs L390 – Composition, Heat Treatment, Pro...

Introduction L360 and L390 are closely related high‑strength structural steels commonly specified where designers balance strength, toughness, weldability, and cost. Engineers, procurement managers, and manufacturing planners frequently face the decision...

L290 vs L360 – Composition, Heat Treatment, Pro...

Introduction Engineers, procurement managers, and manufacturing planners commonly face the choice between L290 and L360 when specifying structural steel for frames, bridges, offshore structures, and heavy fabrication. The decision often...

L245 vs L290 – Composition, Heat Treatment, Pro...

Introduction L245 and L290 are two commonly referenced low-alloy structural steel grades used across construction, bridgework, shipbuilding, heavy fabrication, and general structural applications. Engineers, procurement managers, and manufacturing planners weighing...

Seamless vs ERW – Composition, Heat Treatment, ...

Introduction Engineers, procurement managers, and manufacturing planners routinely face a choice between seamless and ERW (Electric Resistance Welded) steel tubes and pipes. The decision typically balances performance requirements such as...