What is the bore roughness standard?

The bore roughness is within Ra 0.4, and the ID tolerance is H8 for high precision.

St52 E355 1.0580 Precision Steel Pipe Hydraulic Cylinder Honed Tube

Name: St52 E355 1.0580 Precision Steel Pipe Hydraulic Cylinder Honed Tube
Brand: Wuxi Hanhai Hydraulic Machinery Co., Ltd.
SKU: 2013145082

Jiangsu, ChinaWuxi Hanhai Hydraulic Machinery Co., Ltd.

US$1,000.00-2,000.00

1 Ton

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

24 Hours with 7 Days Per Week

Warranty

12 Months

Model NO.

32-1600mm

Type

Seamless

Technique

Cold Drawn

Material

Carbon Steel

Surface Treatment

Oiled

Usage

Hydraulic/Automobile Pipe, Machinery Industry, Mining, Construction & Decoration, Special Purpose

Section Shape

Round

Delivery Time

25 Days

Bore Treatment

Honing or Skiving&Roller Burnishing

ID Tolerance

Bore Roughness

Within Ra 0.4

Transport Package

Standard Export Package

Specification

32 to 1600 mm

Trademark

Origin

China

HS Code

8412909090

Production Capacity

5000 Tons/Year

Key features

Customizable Bore Treatment: Bore can be honed, skived, or roller burnished to meet specific requirements.

High Precision Tolerance: ID tolerance is H8 with bore roughness within Ra 0.4 for high accuracy.

Wide Size Range: Inner diameter ranges from 32mm to 1600mm for diverse application needs.

Versatile Material Options: Available in St52, E355, and 1.0580 carbon steel for various strength needs.

Multi-Industry Application: Suitable for hydraulic, automotive, aerospace, machinery, and construction sectors.

Professional OEM Service: Accepts custom drawings and special requirements for tailored production.

Secure Packaging: Anti-rust oil, plastic lids, bubble bags, and wooden boxes for safe shipping.

Comprehensive Support: 24/7 after-sales service with 12-month warranty and order progress tracking.

Company profile

Wuxi Hanhai Hydraulic Machinery Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/FactoryExport Year: 2018-09-14Nearest Port: Shanghai, NingboAverage Response Time: ≤2.60hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryThe supplier is a limited company with combined business characteristics, offering honed tubes, piston rods, hydraulic cylinders, cold-drawn tubes, flanges, and related metal-processing services. It reports ISO 9001 and GMP certification, seven production lines, inventory capability, and quality assurance with raw-material traceability. Technical support and product development are stated capabilities, but the detailed data indicates only one R&D engineer and no available SDK. Quality procedures exist, yet several inspection and supplier-management processes lack records. The supplier has export experience and accepts multiple payment methods, but no evidence establishes customer cases or verified financial strength. It also lacks an effective manufacturing-capacity contract with affiliated subcontractors, overseas warehousing, and an overseas showroom.

Supplier typeThe supplier is identified as a limited company with a combined company type. Its stated business covers general equipment and accessories, non-standard metal structural parts manufacturing, processing, and sales, while its listed products include honed tubes, piston rods, hydraulic cylinders, cold-drawn tubes, and flanges.

CertificationsThe supplier reports holding ISO 9001 and GMP certifications. These are explicit certification claims, although the provided information does not include certificate numbers, validity dates, or scope details.

Production capacityThe supplier operates seven production lines, offers manufacturing and processing of metal and hydraulic-related products, and reports inventory capability. However, it has no valid manufacturing-capacity contract with affiliated subcontractors, so the reliability and governance of all stated capacity are not fully established.

Customization capabilityThe supplier explicitly describes design and development support, and its technology engineers are responsible for confirming customer requests and designing new products. Its scope includes non-standard metal structural parts manufacturing and processing, which directly supports customized production capability.