Product range — actual catalogue images
The product images below are hosted on the manufacturer's official website (yoonadchain.com) and link directly to the manufacturer's catalogue. Click any image to view the full specification page in a new tab.
Stainless steel conveyor chain with through-hardened side plates and rollers — for food, pharma, marine industrial applications.
Heavy-duty bearing chain — bearing-bushed for high-load conveyance with extended service life vs standard roller chain.
Industrial conveyor chain with welded-on attachments — custom flight design for material handling applications.
Industrial chain categories
| Chain type | Typical applications | Standards | FOB China typical price (per meter, RC100 grade) |
|---|---|---|---|
| Standard roller chain (ANSI/ISO) | Power transmission in industrial machinery | ANSI B29.1, ISO 606 | USD 4-18 per meter |
| Heavy-duty roller chain | Mining, quarry, heavy industrial | ANSI B29.1H, ISO 606H | USD 8-32 per meter |
| Conveyor chain (welded steel) | Heavy-duty material handling, mining | ISO 1977, BS 4116 | USD 12-65 per meter |
| Bearing chain | High-load conveyance, extended service life | Custom designs | USD 18-95 per meter |
| Stainless steel chain (304/316) | Food, pharma, marine, chemical | ISO 606 SS variants | USD 25-130 per meter |
| Agricultural chain (S, CA, CAA) | Combine harvesters, balers, hay tools | ISO 487 / DIN 8189 | USD 8-45 per meter |
| Leaf chain (LH, BL series) | Forklift mast, hoisting, tensioning | ISO 4347, ANSI B29.8 | USD 18-95 per meter |
| Hollow pin chain | Attachment-flexible industrial | Custom variants | USD 22-110 per meter |
| Engineering steel chain | Heavy industrial, special purpose | Custom specifications | USD 45-285 per meter |
| Plastic / acetal chain | Food, pharma, light packaging | FDA / EU food contact compliance | USD 12-55 per meter |
| Mill chains (palm oil, sugar) | Specialty industrial agriculture processing | Industry-specific designs | USD 35-180 per meter |
Chain size designations
| ANSI designation | Pitch | Roller diameter | Common applications |
|---|---|---|---|
| RC25 (ANSI #25) | 6.35mm (1/4") | 3.30mm | Light-duty conveyors, small machinery |
| RC35 (ANSI #35) | 9.525mm (3/8") | 5.08mm | Light industrial, agricultural |
| RC40 (ANSI #40) | 12.7mm (1/2") | 7.92mm | General industrial, motorcycle drive |
| RC50 (ANSI #50) | 15.875mm (5/8") | 10.16mm | Industrial machinery, mid-load conveyance |
| RC60 (ANSI #60) | 19.05mm (3/4") | 11.91mm | Heavy industrial, agricultural |
| RC80 (ANSI #80) | 25.4mm (1") | 15.88mm | Heavy industrial, mining auxiliary |
| RC100 (ANSI #100) | 31.75mm (1-1/4") | 19.05mm | Heavy industrial, conveyance |
| RC120 (ANSI #120) | 38.1mm (1-1/2") | 22.23mm | Heavy industrial, large-load conveyance |
| RC140 (ANSI #140) | 44.45mm (1-3/4") | 25.4mm | Heavy industrial, bulk material handling |
| RC160 (ANSI #160) | 50.8mm (2") | 28.58mm | Heavy industrial, mining |
| RC200 (ANSI #200) | 63.5mm (2-1/2") | 39.69mm | Mining, large industrial conveyance |
| RC240 (ANSI #240) | 76.2mm (3") | 47.63mm | Mining, port/rail equipment |
Material specifications
Premium chain manufacturers differ from cheap suppliers primarily in heat treatment quality, not raw material. PROPER HEAT TREATMENT: pins induction-hardened to 50-58 HRC for wear resistance; side plates through-hardened or tempered to 32-38 HRC for fatigue resistance; bushings hardened similarly to pins. CHEAP CHAINS: insufficient or uneven heat treatment results in early pin wear (chain elongates, slack jumps sprocket teeth), premature plate fatigue, accelerated bushing wear. SERVICE LIFE DIFFERENCE: properly heat-treated chain achieves 8,000-15,000 hours of service in industrial conveyance; cheap chain may fail in 2,000-5,000 hours. CHAIN ELONGATION acceptable: typically 1.5-3% before replacement (varies with application). Premium manufacturers like Yoonad Chain provide hardness test certificates per batch and can guarantee tensile strength per ISO/ANSI specification. Buying cheap chain is false economy — replacement labor, downtime, and potential damage from chain failure cost far more than chain price difference.
| Material grade | Properties | Common applications |
|---|---|---|
| Carbon steel (1045 / 1050) | Standard chain construction; through-hardened pins, bushings | General industrial, dry conditions |
| Alloy steel (4140 / 4150) | Higher tensile strength, better fatigue life | Heavy-duty industrial, high-load |
| Stainless 304 | Corrosion-resistant, food-grade | Food processing, mild marine, dairy |
| Stainless 316L | Pitting-resistant in chloride environments | Marine, brackish water, chemical processing |
| Plastic (acetal POM) | Self-lubricating, light-duty, food-safe | Light packaging, food, low-load |
| Engineering steel (heat-treated) | Custom specifications for high-load specialty | Heavy industrial, mining |
| Heat-resistant alloy | 500°C+ continuous service | Furnace conveyors, heat-treatment |
| Self-lubricating chain | Bushing impregnated with lubricant | Maintenance-free or low-maintenance applications |
Pricing brackets — wholesale
| Order tier | Total quantity | Discount | Container utilization | Lead time |
|---|---|---|---|---|
| Distributor sample / repair | 50-300 meters total | List price; LCL | LCL or partial container | 15-25 days |
| Mid distributor / regional | 500-3,000 meters | 5-15% | Partial 20' container | 20-35 days |
| Large distributor / OEM | 10,000-50,000 meters | 15-25% | 40' or 40HQ container | 30-55 days |
| Mass OEM / major user | 100,000+ meters / year | 20-30% framework | Multiple containers / regular shipments | 45-90 days |
Compliance and certification
| Standard | Applies to | Markets |
|---|---|---|
| ANSI B29.1 | Standard roller chain (US) | USA, North America |
| ISO 606 | Standard roller chain (international) | Most international markets |
| BS 228 / EN 8187 | Roller chain (UK / EU) | UK, EU markets |
| JIS B1801 | Roller chain (Japan) | Japan, Korean OEMs |
| ISO 4347 | Leaf chain | Forklift industry international |
| ANSI B29.8 | Leaf chain (US) | USA forklift industry |
| FDA 21 CFR / EU 1935/2004 | Food contact materials | Food and pharma applications |
| NSF/ANSI 169 | Food contact equipment | USA food industry |
| ATEX / IECEx | Hazardous area equipment | Mining, oil/gas, explosive atmospheres |
| ISO 9001 | Quality management | Most B2B procurement |
Order workflow — chain procurement
View the full supplier profile, certifications, contact details, and complete product catalogue.
Yoonad Chain (China) — manufacturer of industrial chains. Standard roller chain per ANSI B29.1 / ISO 606 (sizes RC25 through RC240, single-strand and multi-strand). Heavy-duty roller chain per ANSI B29.1H / ISO 606H. Conveyor chain (welded steel construction, custom flights and attachments). Bearing chain (extended-life with bearing-bushed rollers, 1.5-3x service life vs standard). Stainless steel chain in 304 and 316L grades for food / pharma / marine applications. Agricultural chains: S-series, CA-series, CAA-series per ISO 487 / DIN 8189 for combine harvesters, balers, hay tools. Leaf chains LH and BL series per ISO 4347 / ANSI B29.8 for forklift mast applications. Hollow-pin chains for attachment-flexible industrial. Plastic / acetal chain (POM) FDA-compliant for food contact. Specialty mill chains for palm oil, sugar, paper, lumber industries. Engineering steel chains for heavy industrial / mining. Heat treatment: induction-hardened pins (50-58 HRC), through-hardened side plates (32-38 HRC), per quality control protocols. Mill test certificates with hardness, chemistry, and tensile strength. Compliance: ANSI B29.1, ISO 606, BS 228 / EN 8187, JIS B1801, FDA 21 CFR / EU 1935/2004 for food contact, NSF/ANSI 169 for food equipment, ATEX / IECEx for hazardous areas.
- Application analysis — define chain type (roller, conveyor, leaf, agricultural), pitch size, expected load (continuous and peak), service environment (temperature, lubrication, contamination), and expected service life
- Specification cross-reference — provide existing chain part number for cross-reference matching; if no existing chain, provide pitch, roller diameter, plate thickness, side plate width
- Sample order — typically 5-25 meters per candidate spec; verify dimensional accuracy with calipers/micrometers, hardness with portable hardness tester, tensile strength testing if critical
- Field test — install on representative application for 30-90 days; document any premature wear, dimensional changes, or failure
- First commercial order — typical 100-1,000 meters mixed across 5-15 SKUs based on application demand
- Quality acceptance — incoming inspection per acceptance plan; document hardness, dimensional accuracy, surface treatment quality
- Series replenishment — quarterly or monthly orders aligned with consumption; for high-consumption applications, framework agreement with predictable supply
Frequently asked questions
Companion power transmission and rigging guide.
Companion industrial power transmission components.
Companion industrial procurement framework.
Source: Product images on this page are hosted on the manufacturer's official website (yoonadchain.com) and link directly back to that website. All product information was summarised from the supplier's public catalogue.
Brand mentions and trademark compliance: References to Tier-1 chain manufacturer brands (Tsubaki, Renold, Diamond Chain, KCM, Donghua, Hangzhou) are made for the sole purpose of describing functional benchmarks and supply-chain context. Yoonad Chain is not authorized by, affiliated with, or endorsed by any of these brand owners. Products are aftermarket-fit cross-reference manufactured under Yoonad's own brand or buyer-private-label only.
Critical-application safety: Industrial chain failure can cause major safety incidents (people struck by parted chain, equipment damage from chain throw). Engineering review for applications with significant load, speed, or safety implications is essential. Verify chain specifications match application requirements before installation.
Pricing & specifications: All price ranges, service-life figures, and tier definitions reflect general market observation. Real-world chain performance depends significantly on lubrication management, alignment, environmental conditions, and load profile. Confirm current pricing, MOQ, lead time, and material certifications directly with the supplier.
No middleman role: CifyChina provides supplier discovery and editorial content. All transactions occur directly between buyer and supplier through the contact channels published on the supplier's official website.
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