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Spectacle Blind Forged Steel Flanges 2 " 150 # ASTM A516 Gr 70 ASME B16 48

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China ZIZI ENGINEERING CO.,LTD certification
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—— Nadim Akef-Purchase Manager

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Spectacle Blind Forged Steel Flanges 2 " 150 # ASTM A516 Gr 70 ASME B16 48

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Large Image :  Spectacle Blind Forged Steel Flanges 2 " 150 # ASTM A516 Gr 70 ASME B16 48

Product Details:

Place of Origin: CHINA
Brand Name: ZZ
Certification: ISO, CE
Model Number: ASTM A516 Grade 70

Payment & Shipping Terms:

Minimum Order Quantity: 1 Piece
Price: Negotiable
Packaging Details: Cartons and Wooden Cases, LCL, 20ft Container
Delivery Time: 15-20 Days
Payment Terms: T/T, Western Union, MoneyGram, D/P, D/A, L/C
Supply Ability: 70000 PCS Per Month
Detailed Product Description
Size: 1/2" - 24" Standard: ANSI, DIN, JIS, BS, ASME
Material: Stainless Steel,Carbon Steel,Alloy Steel Pressure: 150lb/300lb/600lb/900lb/1500lb/2500lb,150#-2500#,5K-30K
Surface: Galvanized,Black,Rust-proof Oil,Oiled Color: Customer Required,Natural,Primary
High Light:

raised face weld neck flange


stainless steel blind flange

Spectacle Blind 2" 150# Forged Steel Flanges ASTM A516 Gr 70 ASME B16.48

Spectacle Blind Manufacturers

China manufacturer and exporter of forged steel flanges that supplies carbon steel spectacle blind 2‘ 150# ASTM A105N ASME B16.48 with black painting to Uruguay 

A Spectacle Blind is a steel plate cut into two discs which connected by section of steel similar to number eight. That's why we also call them as figure 8. These two discs are a solid plate and a ring.

Carbon Steel Spectacle Blind Dimensions

Size NPS 1/2" - 24", DN15 - DN600
Pressure Class 150, 300, 600, 900, 1500, 2500. PN2 / 5 / 11 / 15 /  26 /  42. JIS 5K, 10K, 16K, 20K, 30K
Standard ASME B16.5, ASME B16.48
Flange Types SO, WN, BL, SW, PL, THD, LAPJ Flange, Spectacle Blind, Spade and Spacer
Seal Types Raised Face, Flat Face, Ring Type Joint, Lap Joint Face, Male-Female, Tongue & Groove.
Carbon Steel ASTM A105N, A350 LF2/LF3, A694 F52, F60, F65, F70, A516 Gr 70

Types of Flanges

Weld Neck Flanges, Socket Weld Flanges, Slip-on Flanges, Blind Flanges, Spectacle Blind, Lap Joint Flanges, Orifice Flanges, Screwed ( Threaded) Flanges and Reducing Flanges.

B16.48 Spectacle Blind Weights

Spectacle plates are always fabricated from plate materials and much expensive. Even though the weight is less than other flange types.

Spectacle Blind Forged Steel Flanges 2 " 150 # ASTM A516 Gr 70 ASME B16 48 0

Carbon Steel Pipe Flanges

Marking and Package

  1. The workers marked " SB 2" 150# ASTM A105N ASME B16.48 ZZ798" on flanges body.
  2. Surfaced the ASTM A105N flanges with anti-rust oil or black primer againest the rust during the shipment.
  3. Use plastic foam to coated of all forged steel flanges after anti-rust oil or painting.
  4. Packed 2 inch spectacle blind on wooden case and bundle package with packing belts.
  5. Stick water proof paper of product details on the package for easy indentification.


  • Free Use
  • Study Nature
  • Rust Resistance
  • Compact Design


  1. Visual the surface. Such as dents, die marks, porosity, smooth surface.
  2. Check the marking. Such as size, material, pressure ratings, standard, heat No.
  3. Measure the size. Such as outside and inside diameter and thickness of spectacle blind.

ASTM A516 Grade 70 Chemical Composition

C Mn P S Si Ni Cr Mo
0.1-0.22 1-1.7 0.03 0.03 0.6 0.3 0.3 0.08

 ASTM A516 Grade 70 Mechanical Properties

Tensile Strength Yield Strength Elongation
510 - 650 (Mpa) 335 (Mpa) 21 (%)

Contact Details

Contact Person: sales

Tel: +8618625862121

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