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What Type of Steel Is 4140? Composition, Class and Heat Treatment
Learn what type of steel 4140 is, including its chromium-molybdenum composition, hardenability, conditions, product forms and specifications.
Steel Bar
Yield Stress of 4140 Steel: How Strong Can It Get Under Load?
Learn what controls the yield stress of 4140 steel, how heat treatment changes it, and how yield differs from tensile strength and design stress.
4140 Steel Wear Resistance: How Tough Is It Really?
Learn how 4140 steel wear resistance depends on hardness, wear mode, induction hardening, nitriding, lubrication and surface finish.
4140 Alloy Steel Ultimate Tensile Strength: How Strong Is It Really?
Understand 4140 alloy steel ultimate tensile strength, how heat treatment and section size change it, and why MTC values matter.
4140 Steel: Why It Matters in Precision Applications
Learn why 4140 steel suits precision shafts, spindles and tooling, including prehard condition, distortion control, grinding and inspection.
Uses for 4140 Steel: Where This Tough Alloy Shines Most
Explore common uses for 4140 steel, including shafts, gears, pins, tooling and oilfield parts, plus heat-treatment and ordering considerations.
4130 vs 4140 vs 4340 Alloy Steel: Key Differences and Selection
Compare 4130, 4140 and 4340 alloy steel by composition, hardenability, strength, toughness, weldability, heat treatment and section-size response.
AISI 1045 Round Bar
Previous slide Next slide AISI 1045 Round Bar Request a Quote Material: 1018, A105, A350 LF2, 1045,etc Dia.: 10.0 ～ 500.0mm Standard : ASTM A36 / A36M – 08 Surface : Bright, Polish & Black AISI 1045 Round Bar SAKY…
AISI 4140 Steel Bar 1.7225 42CrMo4 SCM440
Previous slide Next slide AISI 4340 Steel Bar 36CrNiMo4 1.6511 EN24 817M40 SNCM439 Request a Quote Material: 1.7225 42CrMo4 SCM440 Dia.: 8mm – 300mm Standard : ASTM A29 DIN 17200 Surface : Black, Rough Machined, Turned AISI 4140 Steel Bar…
AISI 4340 Steel Bar 36CrNiMo4 1.6511 EN24 817M40 SNCM439
Previous slide Next slide AISI 4340 Steel Bar 36CrNiMo4 1.6511 EN24 817M40 SNCM439 Request a Quote Material: 1.7225 42CrMo4 SCM440 Dia.: 8mm – 300mm Standard : ASTM A29 DIN 17200 Surface : Black, Rough Machined, Turned AISI 4340 Steel Bar…