318307578 welded steel pipe XCMG XE2000 excavator spare parts

XCMG XE2000 Excavator Dedicated Welded Steel Pipe 318307578 – Military-grade pressure bearing, zero leakage guarantee, ultra-long service life!

Product Name: XCMG XE2000 Welded Steel Pipe (Original Part Number: 318307578)

Core Parameters: Outer Diameter 89mm × Wall Thickness 10mm (Pressure bearing capacity exceeds national standard by 40%)

Aerospace-Grade Welding Process:

Utilizes TIG+MIG composite welding technology

Weld strength reaches 99% of the base material

100% ultrasonic flaw detection

Quadruple Strengthening Treatment:

√ Inner wall mirror polishing (roughness Ra0.1μm)

√ Overall tempering heat treatment (hardness HRC38-42)

√ Outer wall nano-ceramic coating

√ Shockproof and buffer structure

Extreme Performance Test:

Burst Pressure: 95MPa (3 times the industry standard)

Pulse Test: 5 million cycles with zero leakage

Operating Temperature: -60℃～+200℃

Performance Comparison Report

Test Item 318307578/Ordinary Welded Pipe
Pressure Bearing Capacity: 75MPa/25MPa
Service Life: 20000h/6000h
Vibration Resistance: Grade 9/4
Corrosion Resistance: Grade 5A/3

Key Application Scenarios

▷ Ultra-high pressure hydraulic system

▷ Boom cylinder main pipeline

▷ High-pressure oil circuit of slewing mechanism

▷ Extreme cold/high temperature special working conditions

Global Engineering Verification

“Used normally in the Arctic mining area at -55℃!”—Russian Polar Project Department

“Pressure bearing performance far exceeds that of similar products in Europe and America!”—Chilean Copper Mine China Region

A single steel pipe, bearing immense weight! Original factory quality, ensuring leak-proof performance!

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318307577 STEEL PIPE ASSEMBLY

1 318307578 1 WELDED STEEL PIPE
2 803175012 1 ORING 80×3.55 GB/T3452.1-2005
3 805139947 4 SCREW M16×45 GB/T70.1-2008
4 329900304 8 THICKENED FLAT WASHER
5 805046465 4 BOLT M16×140 GB/T5782-2000
6 805238374 8 NUT M16 GB/T6170-2000

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