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BS 4504 SECTION 3.1 1989 NP10 Code 300LBS 304L Forged Steel Flanges and Lap Joint Flange

Basic Properties
Place of Origin: China
Brand Name: Best
Certification: API/CE/ISO/PED
Model Number: 1/2''-48''
Trading Properties
Minimum Order Quantity: 1 Pcs
Price: 1 usd/pcs
Payment Terms: L/C/ TT
Supply Ability: 100000 Ton/Year
Product Summary
BS 4504 Lap Joint Flange made from forged 304L steel, pressure rated 300LBS. Durable forged construction ensures reliability in piping assembly/disassembly. Available in various sizes and materials for industrial applications.

Product Details

Highlight:

stainless steel flanges

,

carbon steel forged flanges

Name: Lap Joint Flange
Pressure: 300LBS
Material: 304L
Place Of Origin: China
Model Number: RC-BL Flange
Type: Forged Steel Flanges
Product Description
BS 4504 SECTION 3.1 1989 NP10 Code (101) Slip-on / NP10 Code (105) Blind Flanges
Product Overview

Product Name: Lap Joint Flange

Pressure: 300 lbs

Material: 304L

Manufacturing: Forged Steel Flanges

A flange is defined as a plate type device, normally round, that is attached to the end of a pipe, fitting, valve or other object to facilitate the assembly and disassembly of a piping system.

Flanges are manufactured in all the different materials to match the material of the pipe and fittings to which they are being attached. While some flanges are made of Cast Iron, the vast majority of flanges are forged carbon steel.

Pressure Ratings

Forged steel flanges are made in seven primary ratings:

  • Class 150
  • Class 300
  • Class 400
  • Class 600
  • Class 900
  • Class 1500
  • Class 2500
Flange Types
  • Weld Neck Flanges
  • Slip-On Flanges
  • Lap Joint Flanges
  • Threaded Flanges
  • Socket Weld Flanges
  • Blind Flanges
Technical Specifications
Size: ½" TO 54"
Pressure Rating: 150#, 300#, 600#, 900#, 1500#, 2500#
Material Standards:
  • Carbon Steel: A-105, A-350 LF2 [NACE + HIC] etc.
  • Alloy Steel: F-5, F-9, F-11, F-22, F-91 etc.
  • Stainless Steel: SS 304, SS 304L SS316, SS 316L, SS 316Ti, SS 321, SS 347, SS 304H, 317L, 347H, Etc.
  • Duplex SS: F-51, F-55
  • High Strength Steel: A694 Gr 52, 60, 65, 70, AISI 4130, 4140
  • Nickel Alloys: Monel 400, Inconel 625, Inconel 825, Alloy 20, etc.
Standards: ASME B 16.5, ASME B 16.47, API 6A
Type: SORF, WNRF, SWRF, BLRF, Threaded etc.
Specials: Spacers, Spectacle Blinds, Drip Rings, RTJ, Tongue, Groove, Orifice, etc.
150lb Flange Dimensions
Nominal Bore Pipe OD A Flange dia. B Raised Face dia. D Flange Thickness T Welding Neck Slip-on Screwed Socket-weld Bolt PCD No. of Bolts Bolt Hole dia.
1521.488.934.911.147.615.960.3415.9
2027.098.442.912.752.415.969.8415.9
2534.1107.950.814.355.617.579.4415.9
3242.9117.563.515.957.120.688.9415.9
4048.4127.073.017.561.922.298.4415.9
5060.3152.492.119.063.525.4120.6419.0
6573.0177.8104.822.269.828.6139.7419.0
8088.9190.5127.023.869.830.2152.4419.0
90101.6215.9139.723.871.431.7177.8819.0
100114.3228.6157.223.876.233.3190.5819.0
125141.3254.0185.723.888.936.5215.9822.2
150165.1279.4215.925.488.939.7241.3822.2
150168.3279.4215.925.488.939.7241.3822.2
200219.1342.9269.928.6101.644.4298.4822.2
250273.1406.4323.830.2101.649.2361.91225.4
300323.9482.6381.031.7114.355.6431.81225.4
350355.6533.4412.734.9127.057.1476.21228.6
400406.4596.9469.936.5127.063.5539.71628.6
450457.2635.0533.439.7139.768.3577.81631.7
Product Images
Industrial forged steel flange product view Close-up view of flange manufacturing details
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