What is the lead time for orders?

Lead time varies by season: Peak season takes 1-3 months, while off-season takes within 15 workdays to one month.

What are the payment terms?

We accept LC, T/T, D/P, Western Union, and Small-amount payment.

What is the warranty or quality guarantee?

We have over 20 years of experience with strict quality control systems, professional engineers, and competitive pricing to ensure product reliability.

Long Welding Neck Flanges for Class 150/300/400/600

Name: Long Welding Neck Flanges for Class 150/300/400/600
Brand: Guangzhou Kingmetal Steel Industry Co., Ltd.
SKU: 774837545

Guangdong, ChinaGuangzhou Kingmetal Steel Industry Co., Ltd.

US$1.00-100.00

10 Pieces

Product profile

Customization

Available

Standard

ANSI, DIN, GB, JIS, GOST

Type

Forged

Model NO.

flanges

Material

Carbon Steel

Structure

Flanges

Connection

Flanged

Sealing Surface

FF,So,Wn,Sw,Blind

Manufacturing Way

Forging

Size

1/2"-72"

Pressure Rating

Class150, 300, 600, 900,1500, 2500 etc

Fianges

5k/10k/16k/20k/30k

Types

Slip-on, Welding Neck, Blind, Plate, Socket

Surface Treatment

Rust-Proof Oil, Black/Yellow Painted, Galvanized

Transport Package

Wooden Pallets or Wooden Cases

Specification

1/2"-72"

Trademark

kingmetal

Origin

China

HS Code

73079100

Production Capacity

10000tons/Year

Key features

Wide Size Range: Available in sizes from 1/2 inch to 72 inches for various applications.

Multiple Pressure Ratings: Supports Class 150 to 2500, PN 6 to 64, and JIS 5K to 30K ratings.

Extensive Material Options: Carbon Steel, Stainless Steel, and Alloy Steel compliant with ASTM, DIN, JIS standards.

Customizable Specifications: Custom sizes, pressure ratings, flange types, and surface treatments available.

Versatile Application: Suitable for gas, petroleum, chemical, metallurgy, power, and water transfer systems.

Professional Manufacturing: Over 20 years experience with strict quality control and competitive pricing.

Global Export Capability: Products are totally for export with professional international trade experience.

Flexible Packaging: Sea-worthy wooden cases, pallets, or customized packaging based on buyer requirements.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceExhibition ExperienceImporters and Exporters

Guangzhou Kingmetal Steel Industry Co., Ltd.

Guangdong, China

Business 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: 13 years CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤5.09h

About Our Factory & Business Background

AddressRoom 703, Jinbi Lingxiu International Center, No. 3 North Junya Street, Guangzhou, China

Terms of PaymentLC, T/T, D/P, Western Union, Small-amount payment

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: one month, 1-3 months Off Season Lead Time: within 15 workdays, one month

Supply Chain Partners200

Our Production Capability & Technical Expertise

Main ProductsSteel Pipes, Pipes Fittings, Socket Fittings, Flange, Angle Bar, C Chanel, Steel Coils, Steel Plate, Valves, Grooved Fittings

R&D Engineers3 people

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Europe, Southeast Asia/ Mideast, Africa

Number of Foreign Trading Staff10

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Product Q&A

Q:What materials are available for these flanges?

We offer Carbon Steel (ASTM A105, A350 LF1/LF2), Stainless Steel (ASTM A182 F304/304L, F316/316L), and Alloy Steel (P11, P12, P22) among others.

Q:What is the size range for Long Welding Neck Flanges?

The standard size range is from 1/2 inch to 72 inches. Longer welding necks are available on special order.

Q:Can the flanges be customized?

Yes, we offer customization for size, pressure rating, flange type, and surface treatment. Customization from samples, designs, and full customization is available.

Q:What standards do your flanges comply with?

Our flanges comply with ANSI B16.5, ASME B16.47A/B, DIN/EN/BS, JIS, and GOST standards.

Q:What surface treatments are offered?

We provide Rust-Proof Oil, Black/Yellow Painted, and Galvanized surface treatments.