ASTM A105 Forged Welding Neck RTJ Flange

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$1.00 - $100.00 / Pieces | 1 Piece/Pieces (Min. Order)
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Quick Details
Place of Origin:
Zhejiang, China
Brand Name:
Model Number:
Welding Neck Flange
Stainless Steel, Carbon steel /Stainless steel /Alloy steel
Flange Size:
Flange Type:
Welding Neck Flange
Sealing Face:
FF /RF /T /G /FM /M /RJ
Surface Treatment:
Black Painted /Galvanized /Anti-Oil
150Lb ~ 2500Lb
Standard or Nonstandard:
Supply Ability
Supply Ability:
600 Ton/Tons per Month
Packaging & Delivery
Packaging Details
Carton packing/wooden or steel frame crate packing/plastic cap protection at the both sides of flanges and suitably protected for sea-worthly delivery or as requested.
Shanghai /Ningbo /Any Other Port As Customer Requirest
Lead Time :
10~15 Days


 You’re covered if:

•Your products are not shipped on-time as per the contract with your supplier.
•The quality of your products is not up to standards as per the contract with your supplier. 

Why choose Trade Assurance?  

With Trade Assurance, you'll enjoy: 

- 100% product quality protection.
    - 100% on-time shipment protection.
                               - 100% payment protection for your covered amount. 


Product Description

1. Production Capacity & Purchase Details :


Welding Neck Flange 


Carbon Steel:

ASTM A105, A181, A350 LF1, A350LF2, A350LF3, A36, A234 WPB, Q235B, 20#, 20Mn etc.                            

Stainless steel:

1. 1. 4301, 1.4306, 1.4401, 1.4404, 1.4541 
2.  SUS F304, SUS F304L, SUSF316, SUSF316L, SUS F321 
3.  ASME A182 F304, F304L, F316, F316L, F321

Alloy Steel:

20MnG ,25MnG ,15CrMo,1Cr5Mo,16Mn,12Cr1MoV,F11,F22,10CrMo910




ISO 9001, PED, TUV

Connection type:


Surface treatment:

Anti Rust Oil, Black Paint, Yellow Paint Coating, Hot Dipped Galvanized, Cold Galvanized etc.


ANSI 1/2"-80"

Customizes Size:

Non-standard size can be customized as per customer’s request.


Sulphur+Carbon Analyser, WE-300 universal Test, Impact Test, Spectrometer, PMI, UT, Hardness Test, Tempeture Test, Surface Roughness Test, PT, Magnetic Test, CST-50

Testing Report:

SGS,BV etc. 3rd Party Testing Report is available.


2.  Product Show :



3.  Product Construction :


Remark: We can also supply the accessory products matched flange, including the bolt&nut and gasket.


4.  Product Quality Control :




We pay attention to every step of manufacturing, and carefully control every details from process, design, manufacture and test , in order to guarantee superexcellent product.
Raw material inspection:Dimension and tolerance check, appearance quality check ,mechanical properties testing, weight check and raw material's quality assurance certificate check.
Semi-finished goods inspection:Dimension and tolerance check ,physical and chemical Inspection ,leakage magnetism and ultrasonic inspection
Finished goods inspection: 
Dimension and tolerance, appperance quality check and mechanical properties testing.

Inspection before


We arrange our QC staff to manufacture’s plant for final quality and packing inspection each time before we deliver goods to port for shipping, and the connected sales staff will be with QC staff to make sure we did everything fully and strictly meet our customers’ requirements.


Testing report

5.  Product Certificate :




Q: What about your payment term?

A: Usually T/T or L/C, 30% deposit and 70% before delivery.

Q: what about your standard delivery date

A: 30 days after receiving deposit

Q: How about your capacity?

A: For steel pipes, 50,000 tons per month, 600,000 tons per year. For pipe fittings, 30,000 tons per year

Q: what about your package

A: Usually as per customer's requests.

Common packing information: Small size in bundles, big size in bulk, some sizes with plastic cap to protect both ends, seaworthy packaging.

Q: What is your main market &main customers

A: We have 12 years experience on steel pipes & pipe fittings. Our main market includes China, Singapore etc. Main Customers including HYST, Keppel group etc.

Q: If products have some quality problem,how would you deal with?

A: We will responsible for all of our quality problems.

Q: How to get accurate price / quotation from you?

A: Please kindly tell us below details and we'll send our quotation to you ASAP:

1) Pipe's outer diameter

2) Wall thickness

3) Section Shape (round, square etc.)

4) length for each pipe

5) steel grade

6) Standard (e.g.: API 5L)

7) order quantity

8) Designation (BK, BKW etc.)

9) Trade Terms

P.S.: more detailed information you clarified, more exact price we provided.


BESTOP Flange will provide you satisfying Price, Quality And Service.

Welcome to visit or email us your inquiry.







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