FSTT-GTZJ-34
- Commodity name： FSTT-GTZJ-34
- Product Description
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Stainless Steel Grades Comparison Table
Grade Core Characteristics Applications 201 Basic high-Mn low-Ni (Mn≈5.5~7.5%), cost ≈70% of 304 Indoor decorative tubes, furniture frames, shelves, lighting fixtures 201J1 Standard 201 composition (Mn≈6.5%, Ni≈1%) General hardware, structural components in dry environments 201J2 High-copper version (Cu≈0.8~1.2%), enhanced deep-drawing performance Shallow-stamped tableware, sinks, simple kitchenware 201J3 High-Ni corrosion-resistant version (Ni≈2~2.5%), corrosion resistance ≈80% of 304 Non-coastal outdoor railings, door/window fittings, elevator decorative panels 201J4 High-Mn strengthened version (Mn≈8~10%), improved hardness/strength Spring plates, low-load fasteners, wear-resistant structural parts 201J5 Nitrogen-strengthened version (N≈0.15~0.25%), optimal overall performance Light-duty 304 substitute applications (appliance housings, bus handrails) Performance Ranking
Property Ranking (Best → Worst) Corrosion Resistance J5 > J3 > J2 > 201/J1 > J4 Formability J2 (high ductility) > J5 > 201/J1 > J3 > J4 Strength/Hardness J4 (Mn-hardened) > J5 (N-strengthened) > J3 > 201/J1 ≈ J2 Cost 201/J1 (lowest) < J2 < J4 < J3 < J5 (highest) -
Stainless Steel Grades Comparison Table
Grade Characteristics Applications SUS304 Standard 18-8 composition, optimal overall performance, good corrosion resistance Architectural decoration, food equipment, general hardware, structural components 304/304L 304L: Ultra-low carbon, resists intergranular corrosion, superior weldability Welded structures, cryogenic vessels, cookware, food processing equipment 316 Molybdenum-added (2-3%), corrosion resistance >304 (especially pitting/crevice corrosion) Chemical processing pipelines, marine equipment, medical instruments, coastal structures 316L Low-carbon version of 316, resists intergranular corrosion, excellent weldability Premium cookware, pharmaceutical equipment, highly corrosive media containers 302 High-carbon version of 304, significantly increased strength/hardness after cold working Springs, high-strength washers, precision woven mesh, fasteners 310 High Cr-Ni (25Cr-20Ni), excellent high-temperature oxidation resistance (≤1150°C) Furnace internals, combustors, heat exchangers, high-temperature fixtures Performance Ranking
Property Ranking (Best → Poorest) Corrosion Resistance 316L ≈ 316 > 310 > 304L ≈ SUS304 > 302 High-Temperature Performance 310 > 316L > SUS304/304L Strength/Hardness 302 > 310 > 316L ≈ SUS304 -
Stainless Steel Grades Comparison Table
Grade Characteristics Applications 410 Heat-treatable for hardening, moderate corrosion resistance, good strength Bolts, shafts, turbine blades, valve parts 410S Ultra-low carbon, excellent weldability, soft, non-hardenable Furnace components, sheet metal fabrications, annealing containers 420J1 Medium-high carbon, high hardness, wear resistance Cutlery, surgical instrument blades, utility blades 420J2 Higher carbon than J1, maximum hardness (>J1), lower toughness High-wear cutting tools, precision components, razor blades 440 Highest carbon content (~1%), ultimate hardness/wear resistance Premium surgical tools, bearings, precision mold components 409L Lowest cost, thermal fatigue resistance, basic corrosion resistance Automotive exhaust systems (manifolds/front pipes), mufflers 430 Excellent formability, oxidation resistance, cost-effective Appliance surfaces (liners/housings), architectural trim, tableware 439 Ti-stabilized, corrosion resistance ≈304, superior weldability Corrosion-resistant exhausts, water heater tanks, dishwasher components 441 Nb-stabilized, optimal high-temperature strength, fatigue resistance High-performance thin-wall exhausts, fuel cell components Performance Ranking
Property Ranking (Best → Poorest) Hardness 440 > 420J2 > 420J1 > 410 > 430/439/441 > 410S/409L Corrosion Resistance 439/441 ≈ 304 > 440 > 430 > 420 series > 410 > 409L Weldability 439/441/409L/410S > 430 > 410 > 420 series > 440
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