Stainless Steel ISO 12B-1 Sprocket (SS304)

Stainless Steel ISO 12B-1 Sprocket (SS304)

The Stainless Steel ISO 12B-1 sprocket (3/4″×7/16″) in AISI 304 (SUS304) stainless steel delivers full corrosion resistance for food processing, pharmaceutical, marine, and chemical environment applications. Precision-hobbed to ISO 606 / DIN 8187 standards, it eliminates rust-contamination risk, withstands frequent high-pressure washdowns, and maintains dimensional accuracy throughout its extended service life.

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Description

Stainless Steel 12B Sprocket

Technical Specifications — SS304 ISO 12B-1 Sprocket

Parameter Value Notes
Chain ISO 12B-1 (DIN 8187)
Pitch 3/4″×7/16″
Material AISI 304 / SUS304 1.4301 equiv.
Chromium Content 18–20%
Nickel Content 8–10.5%
Carbon Content ≤0.08%
Tensile Strength ≥515 MPa
Surface Finish Polished (Ra 0.8–1.6) / Plain
Operating Temp. –196 to +800°C Non-hardened
Teeth Range Z=12 – Z=30 (stock, ext. on request)
Standard ISO 606 / DIN 8187

Key Features

✨
Full SS304 Corrosion Resistance
18% chromium / 8% nickel austenitic stainless eliminates rust risk in wet, chlorinated, or acidic processing environments — no surface coating that can chip or peel.
Food-Safe Material
AISI 304 stainless is approved for direct food contact by FDA, EU 10/2011, and Australian FSANZ standards. Safe for CIP (clean-in-place) chemical sanitation protocols.
High-Pressure Washdown Rated
Withstands daily high-pressure (up to 100 bar) hot-water washdowns without dimensional change, corrosion, or surface degradation.
️
Wide Temperature Range
Maintains structural integrity and dimensional accuracy from cryogenic (–196°C) to 400°C operating temperatures — suitable for freezing tunnels and cooking equipment.

Applications

Food Processing

Food Processing
Conveyor and portioning machine drives in meat, dairy, bakery, and beverage lines
Pharmaceutical Packaging

Pharmaceutical Packaging
Blister-pack, tablet-press, and sterilization equipment drives
Marine & Offshore

⚓ Marine & Offshore
Deck machinery, winch drives, and subsea equipment in salt-spray environments
Chemical Processing

⚗️ Chemical Processing
Drives in chemical reactors, mixers, and solvent-handling conveyors

Customer Reviews

“SS304 12B sprockets have been running on our meat-processing conveyor for 14 months without a single rust spot. The previous carbon-steel sprockets corroded within 3 weeks.”
— Anna F. ( Australia) · ★★★★★ · April 2025
SS304 ISO 12B-1 Z=19
“Perfect for our dairy bottling line. Withstands our 80°C caustic wash without any sign of pitting or surface change.”
— Sophie B. ( France) · ★★★★★ · February 2025
SS304 ISO 12B-1 Z=21
“Excellent finish quality. Slightly longer delivery than standard carbon-steel versions but worth the wait for stainless applications.”
— Taro N. ( Japan) · ★★★★☆ · January 2025
SS304 ISO 12B-1 Z=17
“We supply these to our pharmaceutical clients who require material certificates. Certificates supplied promptly with each order.”
— Klaus R. ( Germany) · ★★★★★ · March 2025
SS304 ISO 12B-1 Z=25

FAQ

►  Is SS304 suitable for all food processing environments?
SS304 is suitable for most food processing applications. However, for high-chloride environments (brine, seawater, or hypochlorite sanitisers above 200 ppm), consider SS316 (available on request), which offers superior chloride pitting resistance.
►  Can you supply material test certificates (MTCs)?
Yes. Material test certificates (EN 10204 3.1 or 2.2) confirming chemical composition and mechanical properties are available with each order on request.
►  Do stainless sprockets require lubrication?
Yes. While SS304 is corrosion-resistant, the chain itself still requires lubrication to prevent fretting wear. Use NSF H1 approved food-grade chain lubricant for food contact zones.
►  Is the tooth hardness lower than carbon-steel sprockets?
Yes. SS304 cannot be induction-hardened to the same level as C45. Tooth hardness is approximately HRB 90–96 (HRC 18–22 equiv.). For heavy-load applications requiring high tooth hardness, consider C45 with dacromet coating or SS316L hardfaced option.
►  What is the minimum order for custom tooth counts?
MOQ for custom stainless tooth counts is 10 pieces. Lead time is typically 3–4 weeks for non-stock sizes.
  1. Clean all contact surfaces; avoid carbon-steel tools that may embed iron particles and cause surface rust.
  2. Use stainless fasteners (A2 or A4 grade) to avoid galvanic corrosion at fastener points.
  3. Align sprockets; install stainless or SS-compatible roller chain.
  4. Lubricate with NSF H1 food-grade chain oil before initial start-up.
  5. Inspect for any chain elongation or tooth wear every 500 hours; replace chain before sprocket shows hook-tooth wear profile.
✓ ISO 9001:2015✓ ANSI B29.1✓ ISO/DIN 8187✓ JIS B 1801✓ BS/DIN Standards✓ GB Standards
Ever-power Factory

Why Choose Ever-power Australia?

We are a vertically integrated manufacturer with over 25 years of chain drive experience. Our facility spans 35,000 m² and produces over 4 million sprockets per year. We supply OEM partners, distributors, and direct industrial buyers across Australia, with products meeting GB, ISO, ANSI, JIS, DIN and BS standards.

ISO 9001 Certified
4M+ pcs/year
OEM Capable
AU Stock Available

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Our engineering team is available 24/7 to assist with specifications, custom designs, and volume pricing for Australian businesses.

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