What types of flanges do you manufacture?

We manufacture welding neck, slip on, blind, long welding neck, lap joint, socket welding, threaded, and flat flanges.

What are the application industries for these flanges?

They are widely used in water works, shipbuilding, petrochemical & gas, power industry, valve industry, and general pipe connecting projects.

Dn 25 30k Ss400 So Flange JIS B2220-2004

Name: Dn 25 30k Ss400 So Flange JIS B2220-2004
Brand: Chengdu Derbo Steel Co., Ltd
SKU: 806446205

Sichuan, ChinaChengdu Derbo Steel Co., Ltd

US$400.00

1 Ton

Product profile

Customization

Available

Standard

ANSI, DIN

Type

Welded or Threaded Connection

Model NO.

JIS B2220-2004

Material

Stainless Steel

Structure

Round

Connection

Blind Flange

Sealing Surface

Manufacturing Way

Forging

Kind

So,Wn,Lap Joint,Blind,Socket,Threaded Ect

Sealing Face

RF,Rtj,FF Ect

Material and Grade

Carbon Steel A105,A234wpb Ect

Inspection

SGS

Payment

Transport Package

Wooden Case

Specification

API

Trademark

DERBOSTEEL

Origin

China

HS Code

3917400000

Production Capacity

100000 Ton/Month

Key features

Wide Material Selection: Carbon steel, stainless steel, and alloy steel available per ASTM standards.

Multiple Flange Types: Welding neck, slip on, blind, lap joint, socket welding, and threaded options.

Customizable Specifications: Kind, sealing face, and material grade can be customized to customer requirements.

Fast Delivery Time: Normal delivery is 7-25 days; special cases can be completed within two weeks.

Free Sample Provision: Free samples are available upon request for quality verification.

Strict Quality Certification: Certified by TUV, ISO9001, PED, ISO14001, and OHSAS18001.

Volume Discounts: Different discounts are offered based on the order quantity.

Professional Packaging: Standard export packaging with plywood cases and plastic cloth protection.

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: ≤0.87hTerms 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.

Product Q&A

Q:What materials are available for your flanges?

We offer carbon steel (ASTM A105, A350 LF1/LF2), stainless steel (ASTM A182 F304/316), and alloy steel. Materials can be customized based on customer requirements.

Q:What is the standard delivery time?

Normally, the delivery time is 7-25 days. For special cases, we can complete production within two weeks.

Q:Do you offer discounts for large orders?

Yes, we provide different discounts based on the quantity of the order.

Q:Can I get free samples?

Yes, we provide free samples. Please contact us for details regarding sample requests.

Q:What certifications do your products have?

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