What certifications do your products hold?

Our products are certified by TUV, ISO9001:2008, PED97/23/EC, ISO14001:2004, and OHSAS18001:2007.

What are the lead times for orders?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

Which industries can use these flanges?

They are suitable for water works, shipbuilding, petrochemical, gas, power, valve industries, and general pipe projects.

ASTM SA350 B16.5 Welding Neck RF Flange

Name: ASTM SA350 B16.5 Welding Neck RF Flange
Brand: Chengdu Derbo Steel Co., Ltd
SKU: 2200654005

Sichuan, ChinaChengdu Derbo Steel Co., Ltd

US$10.00

1 Piece

Product profile

Customization

Available

Standard

ANSI, DIN, GB, JIS

Type

Welding Flange

Model NO.

ASTM SA350 B16.5

Material

Carbon Steel & Stainless Steel & Inconel Alloy

Structure

Round

Connection

Welding

Sealing Surface

Manufacturing Way

Forging

Product Name

Bw Flange, ASME B16.5 Class300

Product Size

1/2" - 72"

Pressure Ratings

ANSI Class 150, 300, 600, 900, 1500 and 2500

Sample

Yes

Transport Package

in Wooden Cases or Customers Requirements

Specification

TUV, ISO9001, BV, TS, CCS

Trademark

Derbo

Origin

Sichuan China (Mainland)

HS Code

7307210000

Production Capacity

100000 Piece/Pieces Per Week

Key features

Wide Material Selection: Available in Carbon Steel, Stainless Steel, and Inconel Alloy.

Multiple Standard Compliance: Meets ANSI, DIN, GB, JIS, UNI, and EN standards.

Comprehensive Pressure Ratings: Supports ANSI Class 150 to 2500 and various Bar ratings.

Diverse Flange Types: Includes Welding Neck, Slip On, Blind, Threaded, and more.

Customizable Sizes: Sizes range from 1/2 inch to 72 inches.

Extensive Surface Options: Offers Anti-rust oil, lacquers, and galvanized finishes.

Certified Quality: Holds TUV, ISO9001, PED, ISO14001, and OHSAS certifications.

Flexible Packaging: Standard export packaging or customized per customer requirements.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced TeamIn-stock Capacity

Chengdu Derbo Steel Co., Ltd

Sichuan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2006-08-08Nearest Port: Tianjin port, Guangzhou port, Shanghai portAverage Response Time: ≤1.00hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, CPT, Others

AI-Powered supplier vetting

SummaryThe supplier demonstrates customization and ODM capabilities, maintains inventory capacity, accepts multiple trade and service-payment terms, and reports ISO9001:2015 and CE certifications. However, its service-management procedures lack written records, and it has no overseas showroom, overseas agents or branches, overseas warehouse, or offline trade-show participation. No new products were reported in the past year, and digital management capabilities appear limited, with no ERP, CRM, SAP, SDK, or AI-based management implementation identified. Financial information supplied for the stated periods consists of zero values, which does not establish financial credibility. Evidence of named customers, completed projects, or recognized-brand OEM work is absent.

CertificationsThe supplier reports an ISO9001:2015 certificate and CE product certification capability. It also states that regular fire drills were conducted during the past year, supporting operational safety practice, although no additional certification details are provided.

After-Sales capabilityThe supplier has written procedures for service assessment, corrective and preventive action, and customer complaints, but has no written records demonstrating implementation. It lacks overseas service infrastructure and overseas warehouse capability, while offering multiple quotation and payment terms and reporting one-month lead times in both peak and off-season.

Financial creditThe supplied financial indicators for the stated periods are all recorded as zero, including operating revenue, costs, profit, gross margin, and current ratio. This information does not demonstrate financial strength or reliable financial performance.

R&D capabilityThe supplier offers ODM and multiple forms of customization, but reports no new products in the past year and no available SDK. It also reports no ERP, CRM, SAP, or AI-based management implementation, while the stated technical-transformation, big-data, and OA capability values are zero.

Customization capabilityThe supplier explicitly provides customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. These stated offerings provide clear evidence of broad customization capability.