4140 Plasma Nitriding vs Oxynitriding: Wear and Corrosion Windows
By Harris, Technical Team, SHUNFU METAL One Grade, Four Standard Systems AISI 4140 is the world's most widely specified chromium-molybdenum alloy steel, but the same steel travels under different names in different markets: EN 42CrMo4 (1.7225)
4140 Marine Corrosion Fatigue: How Pitting Kills Bolt Life
By Harris, Technical Team, SHUNFU METAL One Grade, Four Standard Systems AISI 4140 is the world's most widely specified chromium-molybdenum alloy steel, but the same steel carries different names in different markets: EN 42CrMo4 (1.7225) in
Hunan Shunfu Metal at ADIPEC 2026 — Booth 13564, Abu Dhabi
Hunan Shunfu Metal to Exhibit at ADIPEC 2026 — Visit Us at Booth 13564 Hunan Shunfu Metal Material Co., Ltd. is pleased to confirm our participation in ADIPEC 2026 — the Abu Dhabi International Petroleum Exhibition
P92 Ingot Cracking: Why Pouring Parameters Beat Chemistry at the Mold
P92 Casts Differently Because It Transforms Differently CSEF grade P92 is the 9% chromium, tungsten-bearing martensitic steel behind ultra-supercritical power-plant piping. Under ASME and ASTM it is SA-335 P92 (seamless pipe), with the European tube designation
SA612 at -40°C: Why a Certified PV Grade Still Fails Low-Temp Impact
A Certified Grade That Still Failed at -40°C ASME SA612 is a killed carbon-manganese-silicon steel written for welded pressure vessels in moderate-and-lower temperature service. On paper it looks unbeatable: minimum yield 345 MPa, tensile 570-725 MPa,
205 mm SA516Gr70 Ultra-Thick Plate: Through-Thickness Quality
The 205 mm Milestone and What It Actually Proves A Chinese mill recently delivered a 205 mm thick plate of SA516Gr70 to an international high-end customer for pressure-vessel shell courses. The press release frames this as