E355 Hydraulic Cylinder Barrel | Precision Honed Steel Tube Manufacturer
Product Model: CX-03
Brand: CHENGXIN
HS Code: 8431
Size Range: ID 40mm – 500mm
Material Options: ST52, E355, STKM 13C, SAE 1026, SAE 1045, E470, 20MnV6
Keywords: hydraulic barrel, E355 hydraulic cylinder barrel, hydraulic cylinder barrel supplier, ST52 honed tube, hydraulic cylinder tube manufacturer
Product Overview
Hydraulic Cylinder Barrel is the core component of a hydraulic cylinder, made from high-precision honed or skived & roller burnished steel tubes. It provides the guiding surface for the piston and ensures pressure sealing. Our E355 hydraulic cylinder barrels are manufactured using advanced CNC turning, precision welding, and optional hard chrome plating processes to meet the strict requirements of modern hydraulic systems.
Technical Specification
Commodity: E355 Hydraulic Cylinder Barrel / STKM 13C Barrel Tube
Size Range:
ID: 40mm – 500mm
Length: customized according to drawing
Surface Finish:
Honed: Ra ≤ 0.4μm
SRB: Ra ≤ 0.2μm
Outer Surface: Phosphated / Black painted / Anti-rust oil coated
End Finish: Machined ends / Custom machining as per drawings
Chrome Plating (optional): 20–30 μm thickness, HV ≥ 800
Available Steel Grades
EN Standard: E355, C45E, 25CrMo4, 42CrMo4, E410, E470
DIN Standard: ST52, ST52.3, ST52.4
SAE / AISI: 1020, 1026, 1045, 4130, 4140
JIS: STKM 13A / 13C
GB Standard: 20#, 45#, 16Mn, Q345 Series, 27SiMn
Manufacturing Process
Selection of cold drawn seamless steel tubes
Welding as required by design
CNC machining to exact drawing dimensions
Internal honing or skiving & roller burnishing
Optional chrome plating
Precision inspection and testing
Delivery Condition
BK / BKW / BKS / GBK / NBK
+C / +LC / +SR / +A / +N / Q+T (Quenched and Tempered)
Packaging & Marking
Standard Export Packing: Plywood cases with oil-coated inner and outer surfaces
Marking: Customizable (Brand / Size / Heat No. / Spec Code)
Applications
Hydraulic cylinders for construction machinery, loaders, excavators
Lifting equipment, agricultural hydraulic systems
Industrial machinery with hydraulic actuators
FAQ
Q1: What is the minimum order quantity (MOQ)?
A1: 2–3 tons/size for barrels with OD ≤ 250mm; 5 tons/size for OD > 250mm.
Q2: What’s the delivery time?
A2: Typically 20–40 days depending on material grade and barrel size.
Q3: Is there a warranty?
A3: Yes, 6-month warranty after delivery. Warranty excludes damage due to improper storage or handling.
Q4: Do you offer third-party inspection?
A4: Yes, customer or third-party inspection before shipment is welcome.
Q5: Which payment methods do you accept?
A5: T/T, L/C, D/P – subject to credit assessment.
Q6: How do you ensure quality?
A6: We use cylinder-grade raw materials from certified mills and apply strict in-house QC at all production stages.
Why Choose CHENGXIN?
Over 20 years of tube manufacturing experience
In-house production from cold drawing to final honing and machining
Complete material and quality certifications
Support for custom design and OEM hydraulic cylinder barrels
Contact us today to get a quote or learn more about our E355 hydraulic cylinder barrels.
