How Long Is The Product Warranty Period?

One Year, If The Product Is Non-Artificially Damaged During The Warranty Period, We Can Provide You With A New Product For Free.

How Long Is The Delivery Time?

If We Have Stock, We Will Ship Within 5 Days, If There Is No Stock, We Will Ship Within 7-30 Days.

Do You Accept OEM/ODM Service?

Yes, We Can Produce Products According To Your Requirements.

4-Inch Weld Neck Flange Class 150 Schedule 40 ASTM A105

Name: 4-Inch Weld Neck Flange Class 150 Schedule 40 ASTM A105
Brand: CANGZHOU HONGDING PIPE INDUSTRY CO., LTD
SKU: 2270493725

Hebei, ChinaCANGZHOU HONGDING PIPE INDUSTRY CO., LTD

US$5.90

10-99 Pieces

US$5.80

100-999 Pieces

US$5.50

1,000+ Pieces

Product specifications

Flange Type

Sample price:US$6.00/piece.Request sample

Product profile

Customization

Available

Standard

ANSI, DIN, JIS, En/BS

Type

Welding Flange

Model NO.

weld neck flange

Material

Carbon Steel, Stainless Steel, Alloy Steel

Structure

Flanges

Connection

Welding

Sealing Surface

FF RF FM,etc

Manufacturing Way

Forging

Price Term

EXW,Fob,C&F,CIF

Class Range

Class 150,Class 300,400,600,900,1500,2500

Flange Standard

ASTM A182, ASTM A105, ASTM A234 Wpb, A860,A694,Aww

Surface Treatment

Stainless Steel:Pickling and Passivation Polishing

Application

Low-Pressure Systems;HVAC;Industrial Use;etc

Flange Type

Slip-on/Blind/Lap Joint/Threaded Plate Flanges

Pn Ratings

Pn 6, Pn 10, Pn 16, Pn 25, Pn 40, Pn 63, and Pn 10

Testing

Tests at 1.5 Times Their 38°C (100°F) Pressure

Standard Compliance

ASME B16.5/B16.47;En 1092-1;Is B2220/Ap6a

Surface Finish

The Roughness of The Flange Face

Carbon Steel

ASTM A105, ASTM A350 Lf1/2, ASTM A181

Alloy Steel

ASTM A182 F5, F9, F11, F22, F91

Stainless Steel

ASTM A182 F304/L, F316/L

Transport Package

Wooden Box or Pallet or Carton

Specification

1/2''-60''NPS (DN15-DN3000), ect

Trademark

HD-STEEL

Origin

Cangzhou, Hebei, China

HS Code

73072900

Production Capacity

500000PCS/Year

Key features

High-Stress Durability: Long tapered hub design minimizes stress concentration for superior fatigue resistance in high-pressure systems.

Wide Material Selection: Available in Carbon Steel, Stainless Steel, and Alloy Steel to meet diverse corrosion and temperature needs.

Comprehensive Customization: Accepts customization for material, specifications, drawings, packaging, and OEM/ODM requirements.

Extensive Pressure Ratings: Covers Class 150 to 2500 and PN 6 to PN 100 for versatile pipeline applications.

Multiple Surface Options: Offers Raised Face (RF) and Ring Type Joint (RTJ) for optimal sealing in various pressure conditions.

Rigorous Quality Testing: Undergoes hydraulic, X-ray, and chemical analysis tests to ensure 100% inspection compliance.

Free Logo Services: Provides free laser engraving and sticker logo customization for branding purposes.

Flexible MOQ Policy: Accepts trial orders with a minimum quantity of just one piece.

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: ≤3.00h

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.