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Available in 304 (1.4301) and 316L (1.4404) austenitic stainless steel grades
316L grade with molybdenum addition delivers superior chloride and acid corrosion resistance
Ultra-low carbon composition ensures excellent weldability and minimizes intergranular corrosion after welding
High surface cleanliness, hygienic performance and long service life with low maintenance
Custom forging and precision machining available strictly per customer drawings
Manufactured in full compliance with ASTM and EN international standards
Product Overview
This series of HLMR disc bearing assemblies are precision-manufactured from high-quality austenitic stainless steel, available in 304 / 1.4301 and 316L / 1.4404 material grades. Through advanced forging and optional finishing processes, the products feature uniform internal structure, accurate dimensional control and stable mechanical performance, serving as reliable load-bearing and rotating support components for corrosive working environments.
304 (1.4301) is the most widely used general-purpose stainless steel, suitable for most mild to moderate corrosive scenarios. 316L (1.4404) with molybdenum alloying provides upgraded resistance to chlorides, acids and harsh industrial conditions, and is the preferred choice for heavy-duty, high-corrosion service environments.
Ideal for marine, chemical processing and high-hygiene demanding applications
Chemical Composition (Weight %)
Grade
EN Standard No.
C ≤
Si ≤
Mn ≤
P ≤
S ≤
Cr
Ni
Mo
N ≤
304
—
0.08
1.00
2.00
0.045
0.030
18.0–20.0
8.0–10.5
—
0.10
1.4301
EN 10088
0.07
1.00
2.00
0.045
0.015
17.5–19.5
8.0–10.5
—
0.11
316L
—
0.03
1.00
2.00
0.045
0.030
16.0–18.0
10.0–14.0
2.0–3.0
0.10
1.4404
EN 10088
0.03
1.00
2.00
0.045
0.015
16.5–18.5
10.0–13.0
2.0–2.5
0.11
Mechanical properties
Property
304 (UNS S30400 / 1.4301)
316L (UNS S31603 / 1.4404)
Minimum Tensile Strength
≥515 MPa (75 ksi)
≥485 MPa (70 ksi)
Minimum 0.2% Yield Strength
≥205 MPa (30 ksi)
≥170 MPa (25 ksi)
Minimum Elongation (50mm gauge)
≥40 %
≥40 %
Maximum Brinell Hardness
≤201 HB
≤217 HB
Related Material Grades
We also supply a full range of stainless steel and special alloy forgings for different working conditions:
Austenitic stainless steel: 304,316L,310S,321,347,904L,254SMo,253Ma,A286(Gr.660),430,440,2Cr13Ni2,3Cr13 etc.
Duplex stainless steel: 2205,2507,S32750,S32760,F51,F55,F60 etc.
Special alloys: Monel 400/K-500, Inconel 600/625/718, Hastelloy C22/C276,Incoloy 800,Nimonic 75/80A/105/263,Nitronic 50(XM-19)/60 etc.
Alloy steel: 4140, 4340, F11, F22, F91,42CrMo etc.
Carbon steel:A105,A516 Gr.70,A36,S235JR,P235GH,P355GH etc.
Key Advantages
Superior Corrosion Resistance Stable performance in various corrosive media; 316L grade maintains excellent durability in chloride-containing and acidic industrial environments.
Excellent Weldability Low-carbon composition ensures sound weld joints and greatly reduces intergranular corrosion risk after welding, suitable for complex fabrication projects.
High Cleanliness & Hygienic Performance Smooth and dense surface, easy to clean and sanitize, meets the strict hygiene requirements of food, pharmaceutical and other industries.
Long Service Life High mechanical strength and good wear resistance, with low maintenance cost during long-term operation.
Typical Applications
Food and beverage processing equipment
Chemical processing and pharmaceutical machinery
Marine engineering and offshore facilities
Water treatment and desalination systems
Architectural decoration and structural components
Pulp & paper, textile and general industrial equipment
Processing Service
We provide integrated forging and precision machining services, and can produce finished components strictly according to customer drawings:
We have supplied a wide range of forged and machined parts including shafts, cylinders, hollow bars, pistons, tube sheets, rings and disc bearings to customers worldwide.
Quality Assurance
We have a professional QC inspection team and complete testing equipment to ensure stable and reliable product quality:
Ultrasonic testing (UT) for internal defects
Tensile and hardness testing for mechanical properties
High-precision dimensional measurement
Spectrometer for chemical composition verification
Metallographic microstructure inspection
Every batch of products undergoes strict inspection before delivery to meet the quality requirements of various engineering projects.
Packing & Delivery
Packing
Inner packaging: waterproof polybag for moisture and dust protection
Outer packaging: reinforced wooden case / wooden pallet, suitable for long-distance international transportation
Custom packaging solutions available upon request
Lead Time
Normally 10 – 45 days after receipt of advance payment
Exact delivery time depends on order quantity, specification complexity and machining requirements
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
1998
Total Annual:
>1-2 billion
Employee Number:
>200+
Ecer Certification：
Verified Supplier
HengAn Weiye Steel Group (HA Group) is a leading Chinese supplier of special steel, alloy materials, and precision machining services, with nearly 30 years of industry experience. The company integrates material sourcing, manufacturing, processing, and international trade, providing one-stop solutio... HengAn Weiye Steel Group (HA Group) is a leading Chinese supplier of special steel, alloy materials, and precision machining services, with nearly 30 years of industry experience. The company integrates material sourcing, manufacturing, processing, and international trade, providing one-stop solutio...
