Outdoor Hot-DIP Galvanized Steel Grating with 30mm Bearing Bar Pitch and Stainless Steel 304 for Trench Drain Channels

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Gnee Steel (tianjin) Co., Ltd.

City: anyang

Province/State:henan

Country/Region:china

Tel:86-372-5055135

Contact Person:
Ms.Kelly Zhang View Contact Details

Outdoor Hot-DIP Galvanized Steel Grating with 30mm Bearing Bar Pitch and Stainless Steel 304 for Trench Drain Channels

Brand Name	Gnee
Minimum Order Quantity	2PCS
Supply Ability	300000 Square Meter/Square Meters per Month
Delivery Time	Shipped in 20 days after payment
Packaging Details	Fix with metal belt Packing with pallet ,outside wrap with waterproof plastic film Finial in container

Detailed Product Description

Outdoor Steel Grating Solutions

High-quality hot-dip galvanized steel grating systems for trench drain channels and industrial applications, available in various configurations to meet specific load and corrosion resistance requirements.

Product Specifications & Applications

30mm Bearing Bar Pitch

The most widely used industrial grating with superior surface impact resistance and durability for demanding applications.

40mm Bearing Bar Pitch

Economical and lightweight option ideal for installations with smaller spans where weight optimization is crucial.

60mm Bearing Bar Pitch (Mining Grade)

Specifically engineered for mining industry applications, designed to prevent mineral splash and withstand harsh processing environments.

30mm/76mm Combination Pitch

The most popular global standard for walkways, platforms, and general industrial applications requiring balanced strength and coverage.

Technical Specifications

Material Options: Stainless Steel 304, 304L, 316, 316L
Available Finishes: Mill finish, commercial clean, electro-polished
Bearing Bar Spacing: 1-3/16" to 11/16"
Cross Bar Spacing: 2" or 4" on center

Material Performance Comparison

Type	Description	Tensile Strength	Yield
304	Excellent corrosion resistance, high tensile strength. Ideal for chemical processing, food industries, power plants, and wastewater treatment. Suitable for high-temperature applications.	75,000 psi (min.)	30,000 psi (min.)
316	Superior corrosion and pitting resistance compared to 304. Excellent heat resistance for chemical, pulp, paper processing, marine environments, textile equipment, and petroleum refining.	75,000 psi (min.)	30,000 psi (min.)

Load & Deflection Standards

Metric Legend	Imperial Legend
U = Safe Uniform Load (kPa) C = Safe Concentrated Load (kN/meter of grating width) D = Deflection (mm)	U = Safe Uniform Load (lbs./ft²) C = Safe Concentrated Load (lbs./foot of grating width) D = Deflection (inches)

Stainless Steel Load Conversion Factors

Stainless Steel Grade	Load/Deflection	Multiply Carbon Steel Load Tables By	Based on Maximum Allowable Fiber Stress
304 Stainless Steel	U C D	1.111 1.111 1.151	20,000 P.S.I. (137.9 MPa)
304L Stainless Steel	U C D	0.917 0.917 0.949	16,500 P.S.I. (113.8 MPa)
316 Stainless Steel	U C D	1.111 1.111 1.151	20,000 P.S.I. (137.9 MPa)
316L Stainless Steel	U C D	0.917 0.917 0.949	16,500 P.S.I. (113.8 MPa)

Additional Specifications:

Bearing bar pitches: 15, 22, 25, 30, 32.5, 34, 40, 50, 60, 80, 90mm (25, 30, 34 and 40mm recommended)
Cross bar pitches: 24-200mm (50mm, 76mm, and 100mm recommended)
Bearing bar shapes: F - Plain style, S - Serrated style, I - I-section style
Surface treatments: G - Hot dipped galvanized, P - Painted, U - Untreated

Product Images

Product Tags: Hot-DIP Galvanized Steel Grating 30mm Bearing Bar Pitch Steel Grating Stainless Steel 304 Trench Drain Grate

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