Premium 4 Inch Carbon Steel 45° Seamless Bend Pipe

Name: Premium 4 Inch Carbon Steel 45° Seamless Bend Pipe
Brand: CANGZHOU HONGDING PIPE INDUSTRY CO., LTD
SKU: 2228138255

Hebei, ChinaCANGZHOU HONGDING PIPE INDUSTRY CO., LTD

US$4.30-5.20

50 Pieces

Sample price:US$0.20/piece.Request sample

Product profile

Customization

Available

Type

Stainless Steel Pipes

Standard

ASTM, AISI, GB, JIS, DIN, EN

Grade

Paint

Certification

ISO, RoHS, IBR, AISI, ASTM, EN, DIN, JIS

Shape

U Channel

Technique

Welded

Surface Treatment

Paint

Application

Oil, Gas, Waterways, etc

Transport Package

Wooden Box

Specification

40° 90° 120° 180°

Trademark

HD-STEEL

Origin

Cangzhou, Hebei, China

HS Code

7307230000

Production Capacity

40000

Key features

Diverse Material Options: Available in 304, 304L, 316, 316L, 310, 310S, 317, 317L stainless steels.

Customizable Bending Radius: Offers R=1D, 2D, 3D, 5D, 6D, 8D, 10D, or fully custom radius options.

Multiple Wall Thicknesses: Thickness options include 5S, 10S, 20S, 40S, 80S, and SCH5 to SCH160.

International Standard Compliance: Meets ASTM A403, ANSI B16.9, JIS B2312, and other global standards.

High Pressure Tolerance: Schedule 10 bends withstand pressure classes from 150 to 2500.

Corrosion and Wear Resistance: Manufactured from high-quality mild steel for durability in harsh conditions.

Comprehensive Customization: Full customization available for sizes, pressure ratings, and surface treatments.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceSelf-branded

CANGZHOU HONGDING PIPE INDUSTRY CO., LTD

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤3.54h

AI-Powered supplier vetting

SummaryCANGZHOU HONGDING PIPE INDUSTRY CO., LTD is identified as a trading company in Yanshan County, Cangzhou, with an indicated manufacturing-related business scope covering metal materials, metal structures, construction accessories, tools, cables, and related products. The supplier reports customization, ODM, new-product development, and OEM services for well-known brands. Production information states 25,000 tons annually for pipe fittings and flanges, supported by two quality inspectors, while finished-product inspection has instructions but no written records. Service procedures, corrective-action processes, and complaint-handling procedures are documented and followed; overseas services include debugging, maintenance, repair, and training. Certifications listed include ISO 9001:2015, ISO 45001:2018, ISO 14001, and CE. Financial records are indicated for 2021–2023, but no performance figures are provided. No named customer cases are supplied. Overseas warehouse and showroom capabilities, as well as SDK...

CertificationsThe supplier lists ISO 9001:2015, ISO 45001:2018, ISO 14001, and CE certification capability. These explicit certifications support quality, occupational safety, environmental management, and product-compliance capabilities.

After-Sales capabilityThe supplier reports documented and followed procedures for service assessment, corrective and preventive actions, and customer complaints. Its overseas service offerings include debugging, maintenance, repair, and training, although it has no overseas warehouse or showroom.

R&D capabilityThe supplier reports new products during the past year, ODM services, and several forms of customization. It explicitly lacks an available SDK, but the available evidence still supports product-development and design capability for the stated product context.

Production capacityAnnual productivity is stated as 25,000 tons of pipe fittings and flanges, with two quality assurance and quality control inspectors. The supplier reports valid manufacturing-capacity contracts with associated subcontractors and in-stock capability, but finished-product inspection lacks written records and the company is classified as a trading company.

Customization capabilityBoth R&D and design-service records explicitly list customization from samples, customization from designs, full customization, and minor customization. ODM availability and recent new-product development further support the supplier’s customization offering.

Product Q&A

Q:What materials are your flange fittings made of?

Our flange fittings are made of carbon steel and stainless steel (304, 316), meeting international standards such as ASTM, DIN, and GB, ensuring corrosion resistance, high pressure tolerance, and long service life.

Q:Can you provide customized flange fittings?

Yes. We offer customized flanges and non-standard fittings, including various sizes, pressure ratings, and surface treatments (such as galvanized, painted, or polished) to meet specific project requirements.

Q:Which industries are your flange fittings suitable for?

Our products are widely used in oil, chemical, power, shipbuilding, water supply, and natural gas pipelines, suitable for high temperature, high pressure, and corrosive environments.

Q:What is the minimum order quantity (MOQ)?

We accept small batch custom orders. The MOQ depends on material and size. For standard carbon steel flanges, the MOQ can be as low as 50 pieces; non-standard or stainless steel flanges may require a slightly higher quantity.

Q:What is the lead time and shipping method?

For standard stock products, delivery usually takes 7-15 days. For custom or non-standard orders, it typically takes 20-30 days. Shipping can be arranged by sea, air, or express, according to the customer's needs.