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Metal Serrated Drain Covers 20x5 Steel Walkway Grating

Categories Steel Walkway Grating
Brand Name: OEM
Model Number: YH-G1
Certification: ISO 9001
Place of Origin: CHINA
MOQ: 50Pcs
Price: USD5-26/pc
Supply Ability: 5000Pcs Per Month
Packaging Details: 1.normally packed in pilling up ways with two pieces of square wood on both upperand bottom sides. 2.acccording to customer's requirements.
Material: Q195,Q235
Surface Treatment: Hot Dip Galvanized,Electric Galvanized
Bearing Bar: 20x5, 25x3, 25x4, 25x5, 30x3, 30x5
Bearing Bar Thickness: 2.5-10mm
Cross Bar: 5mm,6mm,8mm
Cross Bar Pitch: 40, 50, 60, 65, 76, 100 etc
Application: petroleum chemical industry, power plant etc.
Feature: Corrosion Resistance,sturdy and durable
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Metal Serrated Drain Covers 20x5 Steel Walkway Grating

Hot Dipped Galvanized Steel Walkway Grating Metal Serrated Drain Covers


Supply Ability
Supply Ability:5000pcs Per Month


Packaging & Delivery
Packaging Details
1. Normally Packed In Pilling Up Ways With Two Pieces Of Square Wood On Both Upperand Bottom Sides.
2. Acccording To Customer'S Requirements.
Port Tianjin Port


Product Description

(1) Place of Origin: Hebei, China (Mainland)
(2) Brand Name: YUANHAI
(3) Material: Steel

(4) Surface treatment: Hot dip galvanized, cold galvanized, spray paint, not processing

(5) Dimensions: 3'X20'
(6) Grating type: Serrated I bearing bar type
(7) Galvanization Standard: GB/T 13912, ISO 1461, JIS H8641,ASTM A123,,AS1650, ,BS 729

(8) Steel grating standards:

A) China: YB/T4001-1998
B) USA: ANSI/NAAMM (MBG531-88)
C) UK: BS4592-1987
D) Australia: AS1657-1985

E) Japan: JJS.

(9) Grating type: Bearing bar: Plain type, Plain I type, Serrated type, Serrated I type;

Cross bar: Round cross bar, Square twisted cross bar.

(10) Specifications of steel grating:


ItemDescription
Bearing bar

20x5, 25x3, 25x4, 25x5, 30x3, 30x4, 30x5, 32x3, 32x5, 40x5, 50…75x8mm, etc.

US standard: 1''x3/16'', 1 1/4''x3/16'', 1 1/2''x3/16'', 1''x1/4'', 1 1/4''x1/4'', 1 1/2''x1/4'', 1''x1/8'', 1 1/4''x1/8'', 1 1/2''x1/8'' etc

Bearing bar pitch

25, 30, 30.16, 32.5, 34.3, 40, 50, 60, 62, 65mm, etc.

US standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc.

Cross bar5x5, 6x6, 8x8mm (twisted bar or round bar)
Cross bar pitch40, 50, 60, 65,76,100,101.6,120,130mm or as customers’ requirement.
Flat bar typePlain, Serrated (tooth-like), I bar (I section)
MaterialsLow carbon steel (Q275/Q235/Q195,ASTM A36, A1011, A569, S275JR, SS304, SS400,UK: 43A),Stainless steel,aluminum alloy,etc
Galvanizing standardCN: GB/T13912, US: ASTM (A123), UK: BS729
Steel grating standardsA. China: YB/T4001-1998
B. USA: ANSI/NAAMM (MBG 531-88)
C. UK: BS4592-1987
D. Australia: AS1657-1988
E. Japan: JJS
Surface treatment

Black,Electro galvanized(Cold dip galvanized),Hot dipped galvanized,Painted,Powder coated,or as customers’ requirements.And hot dipped galvanizing is generally recommended.


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