Forging temperature and deformation jointly control dynamic recrystallization, γ′/δ precipitation and the 650 °C tensile, stress-rupture and creep properties of Inconel 718 (GH4169) turbine disc forgings, as shown in this Gleeble-based process–structure–property study.
Read more →A Φ2440 mm GH4169 (Inconel 718) turbine disc — China’s largest nickel-based superalloy disc forging — produced under a coupled FEM + microstructure model: heating and soak-through, transfer heat loss, dynamic recrystallization, cooling evolution, and press load held within 800 MN, validated against dissected grain sizes.
Read more →A Φ180 mm 2Cr10NiMoVNb bar failed ultrasonic testing on a mixed-grain coarse grain ring at R/2 — spurious echoes from the structure, not a defect. Macro/micro examination, 950–1010 °C normalizing trials and the 1000 °C × 3 h production fix.
Read more →Material insight · Annealing and strengthening By Harris, technical staff at FUSHUN METAL When a drawing calls for 201LN, that one label can arrive from three different standard systems. In the United States the grade is 201LN, carrying the UNS number S20153 and specified in ASTM A240/A240M
Read more →Fushun Metal · Technical Notes By Harris, technical staff at Fushun Metal Sulfide Morphology, Not Sulfide Content: How 42CrMo1 Bar Actually Earns Its Machinability The prevailing view is wrong for this grade. Almost every supplier page and textbook entry treats MnS as a defect to be driven
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Hunan Fushun Metal to Exhibit at FABEX Saudi Arabia 2026 — Visit Us at Booth C48, Hall 4 Hunan Fushun Metal Co., Ltd. is pleased to confirm our participation in FABEX Saudi Arabia 2026 — the Kingdom’s dedicated international exhibition for steel, metals, and manufacturing technologies. From
Read more →Fushun Metal · Technical Notes By Harris, technical staff at Fushun Metal Forget the Annealing Temperature: Why the Slow-Cool Stop Decides DP600 Most DP600 process debates are stuck on the wrong knob. Ask any mill engineer how to tune a DP steel and the first number out
Read more →Cr8 Cold-Roll Steel + 0.6% Niobium: a 40% Drop in Roll Wear, Validated by JMatPro A Sendzimir 20-high mill second intermediate roll in Cr8 steel, quenched at 1090–1120 °C, tempered at 550 °C × 3 h, and micro-alloyed with 0.6% Nb, sees its wear volume fall 40%
Read more →17-4PH Stainless Steel: 7 Technical Pitfalls Every Buyer Must Avoid 17-4PH stainless steel (S17400 / AISI 630 / 1.4542 / 0Cr17Ni4Cu4Nb) is specified worldwide for pumps, valves, aerospace fasteners, turbine seals and plastic injection molds. Its combination of high strength, moderate corrosion resistance and single-step aging makes
Read more →The Non-Linear Math Behind Every Cold Roll Reject Five percent chromium forged cold work rolls look like a mature, solved problem. The defect-rate equation that governs them is not — and that equation quietly decides who is buying 5% scrap and who is buying 0.5% scrap. A
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