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GOST 12821 - 80 Standard Pn16 304 Welded Neck Flanges

Name: GOST 12821 - 80 Standard Pn16 304 Welded Neck Flanges
Brand: Qingdao Songfei Precision Machinery Co., Ltd.
SKU: 2085471482

Shandong, ChinaQingdao Songfei Precision Machinery Co., Ltd.

US$50.00

1-999 Pieces

US$3.00

1,000-9,999 Pieces

US$1.00

10,000+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Standard

ANSI, DIN, GB, JIS, GOST, BSW

Type

Slip on,Weld - Neck,Blind,Socket - Weld,Threaded,R

Model NO.

machining part

Material

Carbon Steel /Stainless Steel

Structure

Flanges

Connection

Threaded/Welding

Sealing Surface

RF/FF/Rtj

Manufacturing Way

Forging

Finish

Plain, Zinc Plated, Rust Preventive Oil

Shape

Round

Surface

Black,Golden,Polishing,etc

Types

Po So Wn Bl Sw Th Pj/Se Pj/Rj

Delivery Time

15-30 Days After Dwon Payment

Transport Package

Carton Packing/Wooden Cases or Pallet

Specification

Requirement

Trademark

Song Fei /OEM

Origin

Shandong, China

HS Code

73079100

Production Capacity

5000ton/Month

Key features

Wide Standard Compliance: Meets ANSI, DIN, GB, JIS, GOST, and BSW standards for global applicability.

Flexible Customization: Customizable color, size, mark, shape, and finish based on customer drawings or samples.

High Production Capacity: Monthly production capacity of 5000 tons ensures timely delivery for large orders.

Premium Material Options: Available in Carbon Steel (A105) and Stainless Steel (304/316) for diverse corrosion needs.

Comprehensive Certification: ISO 9001:2015 and CE certified, ensuring strict quality control and international standards.

Versatile Pressure Ratings: Supports Class 150 to Class 2500 and PN6 to PN16 for various industrial pressure requirements.

Multiple Connection Types: Offers Welding Neck, Slip On, Blind, Socket Weld, and Threaded types for flexible installation.

Secure Packaging: Wooden case or pallet packaging protects flanges during transportation to prevent damage.

Company profile

Quality AssuranceRaw-Materials TraceabilityFast Delivery100% Finished Products Inspection

Qingdao Songfei Precision Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Qingdao PortAverage Response Time: ≤4.37hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, FCA, CIF, DAT, FAS, DDP, DAP, CPT, CIP

AI-Powered supplier vetting

SummaryQingdao Songfei Precision Machinery Co., Ltd. is a China-based limited company established in 2018, specializing in customized mechanical and metal parts. It reports 14 employees, a 3,300 m² manufacturing plant, ISO 9001:2015 certification, 6–10 quality-control staff, and stated one-month lead times in both off-peak and peak seasons. Its described capabilities include CNC machining, welding, casting, flanges, auto parts, fasteners, sheet metal, and stamping products. The company states that it invests in R&D, optimizes production, manages process inspections, and supports complex-part customization. SGS audit information is provided, but the audit result and several operational capability fields are coded values or unknown statuses, limiting verification. No specific customer cases or after-sales service evidence is supplied.

Supplier typeThe supplier is identified as Qingdao Songfei Precision Machinery Co., Ltd., a Chinese limited company established in 2018. Its primary offering is mechanical parts customization, supported by listed CNC machining, welding, casting, sheet-metal, stamping, fastener, flange, and auto-parts services.

CertificationsThe supplier lists an ISO 9001:2015 certificate and describes rigorous inspection and process control. An SGS audit is also recorded with a validity period from March 3, 2025 to March 2, 2026, but the coded audit result is not interpretable from the provided information.

R&D capabilityThe supplier explicitly states that it continuously invests in R&D, optimizes production processes, and has technical accumulation for complex-part customization. It reports two years of total R&D engineer experience, while ODM, SDK, and broader digital-development capabilities are unknown.

Production capacityProduction-related evidence includes a 3,300 m² plant, 14 employees, 6–10 quality-control staff, listed manufacturing processes, and stated one-month fulfillment times in both peak and off-peak seasons. The supplier also reports an order-fulfillment status code, but the meaning of that code is not provided.

Customization capabilityCustomization is the supplier’s stated primary product offering, with explicit support for complex metal parts and multiple related processes including CNC machining, welding, casting, sheet metal, and stamping. Its technical team and process-inspection descriptions further support customization capability.