Precision Shaft

Product Highlights Incoloy 925 precipitation hardening nickel alloy solid & hollow shaft, UNS N09925, EN 2.4858, comply with ASTM B805 bar specification Ni-Cr-Mo-Cu-Al-Ti precipitation hardening system, adjustable strength via standard single-step aging heat treatment Excellent resistance to H₂S sour gas, brine, chloride pitting & sulfide stress cracking (NACE MR0175 certified) Balanced anti-corrosion performance between Monel K500 and Inconel 718, cost-effective oilfield

Product Highlights 440C high-carbon martensitic precision solid shaft, UNS S44004 / 1.4125, fully compliant with ASTM A276 bar manufacturing standard Highest carbon grade in 400 series stainless steel with molybdenum additive, maximum hardening capacity up to HRC58–62 after quenching & tempering Fully magnetic under all heat treatment states, excellent wear resistance far exceeding 410 / 420 / 431 martensitic grades Moderate anti-rust performance against fresh water & weak

Product Highlights 17-4PH martensitic precipitation hardening solid shaft & hollow shaft, UNS S17400, EN 1.4542, comply with ASTM A564 bar standard Cu & Nb alloyed precipitation strengthening system, adjustable strength & hardness via different aging heat treatments Multiple standard aging grades: H900 / H1025 / H1075 / H1150 / H1150D for diverse load & toughness demands Corrosion performance equivalent to 304 stainless steel, far superior to regular 410/440C martensitic

Product Highlights Custom machined stainless steel pump shafts in grade 410 & 420 martensitic stainless steel, compliant with ASTM A276/A479 standard Fully heat-treatable via quenching & tempering to adjustable hardness for anti-wear pump journal surfaces Nickel-free martensitic formula, cost-effective for clean water, steam and mild corrosion pump working media 410 pump shaft: balanced toughness for low-load centrifugal & condensate pump rotary spindles 42 pump shaft: higher

Product Highlights 430 ferritic stainless steel solid axle, UNS S43000 / 1.4016, manufactured to ASTM A27 bar standard Nickel-free ferritic alloy, far lower raw cost than 304/316L austenitic axles Fully magnetic under all delivery conditions, high thermal conductivity & low thermal expansion coefficient Excellent atmospheric & fresh water corrosion resistance, ideal dry environment rotary axles No chloride stress corrosion cracking (SCC) risk in warm low-salinity water medium

Product Highlights 3 mainstream austenitic precision solid bars: 304L, 316L, 321, fully produced to ASTM A276 bar specification Ultra-low carbon L-grade (304L / 316L) eliminates welding intergranular sensitization risk 316L added molybdenum for outstanding chloride pitting & seawater corrosion resistance Titanium stabilized 321 prevents chromium carbide precipitation under long high-temperature cycling All grades non-magnetic after solution annealing, excellent ductility for

Product Highlights Full series martensitic solid round shaft: 410, 420, 431, 440C, comply with ASTM A276 bar manufacturing standard All grades hardenable via quenching + tempering for adjustable hardness & outstanding wear resistance Nickel-free low-cost alloy formula, fully magnetic in all heat treatment conditions 410 low-carbon grade for general low-load mechanical spindle blanks 420 medium carbon grade balanced hardness & mild corrosion for tool & instrument shafts 431

Product Highlights Full series ferritic solid round shaft: 409, 430, 439, 444, produced per ASTM A27 bar standard Nickel-free low-cost ferritic alloy, far lower material cost than 304/316L austenitic steel 100% magnetic under all delivery states, higher thermal conductivity & low thermal expansion coefficient 409 Ti-stabilized grade for automotive exhaust high-temperature anti-oxidation spindle blanks 430 general ferritic grade for household & decorative mechanical shaft

Product Highlights Incoloy 825 solid & hollow shaft, UNS N08825 / 2.4858, manufactured per ASTM B425 bar standard Ni-Fe-Cr-Mo-Cu-Ti solid solution alloy, cannot be hardened via quenching or aging heat treatment High nickel matrix delivers outstanding chloride stress corrosion cracking (SCC) resistance Molybdenum + copper composite formula resists sulfuric, phosphoric mixed reducing acids Titanium stabilized design eliminates intergranular corrosion after welding & long

Product Highlights Inconel 718 precipitation hardening nickel alloy solid & hollow shaft, UNS N07718, EN 2.4668, compliant with ASTM B637 bar standard Nb-Al-Ti precipitation strengthening system, adjustable high strength via standard H925 / H1040 double aging heat treatment Retain excellent tensile, creep & fatigue strength up to 704°C high-temperature continuous operation Outstanding resistance to chloride SCC, sour H₂S gas, seawater and mixed acid media, NACE MR0175

Product Highlights Solid-solution strengthened Inconel 625 solid shaft, UNS N06625, EN 2.4856, fully compliant with ASTM B446 bar standard Mo & Nb composite solid-solution hardening delivers high strength without aging heat treatment Certified to NACE MR0175 standard, outstanding anti-SCC performance for sour oil & gas service Stable mechanical & oxidation performance from cryogenic -196℃ up to 980℃ continuous operation Excellent resistance to chloride pitting, crevice