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42CrMoA Forged Alloy Steel Precision Honed Hydraulic Breaker Piston for Soosan SB81 SB121 Rock Hammer

Name: 42CrMoA Forged Alloy Steel Precision Honed Hydraulic Breaker Piston for Soosan SB81 SB121 Rock Hammer
Brand: Yantai Dopro Industry Technology Co., Ltd.
SKU: SB81-PT
Price: 530.00 USD
Availability: InStock

Product Details

Place of Origin: Guangdong, China

Brand Name: HUILIAN

Certification: ISO 9001:2015

Model Number: SB81-PT

Payment & Shipping Terms

Minimum Order Quantity: 1 Piece

Price: USD 380-680 / Piece

Packaging Details: Carton box with anti-rust paper and foam insert, export-grade wooden case

Delivery Time: 1-12 working days

Payment Terms: T/T, L/C, PayPal, Western Union

Supply Ability: 2,000 Pieces per Month

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Product Details

Product Description

Highlight: 
                                                                                                                                                                                                                                                42CrMoA forged alloy steel hydraulic breaker piston, Soosan SB81 SB121 rock hammer piston, precision honed hydraulic breaker piston
                              

Material:	42CrMoA Forged Alloy Steel	Heat Treatment:	Integral Quenching + Tempering
Surface Hardness:	HRC 55-60	Machining:	Precision Honed + Ground
Compatible Models:	Soosan SB81, SB121	Position:	Hydraulic Cylinder System

Material:	42CrMoA Forged Alloy Steel
Heat Treatment:	Integral Quenching + Tempering
Surface Hardness:	HRC 55-60
Machining:	Precision Honed + Ground
Compatible Models:	Soosan SB81, SB121
Position:	Hydraulic Cylinder System

42CrMoA Forged Alloy Steel Precision Honed Hydraulic Breaker Piston for Soosan SB81 SB121 Rock Hammer

42CrMoA Forged Alloy Steel Hydraulic Breaker Piston for Soosan SB81/SB121

This high-performance hydraulic breaker piston is precision-manufactured from 42CrMoA forged alloy steel, engineered as a direct replacement for Soosan SB81 and SB121 series rock breakers. The piston is the core power component of any hydraulic hammer, and its quality directly determines impact performance and service life.

Material & Heat Treatment

Material	42CrMoA Forged Alloy Steel
Heat Treatment	Integral Quenching + Tempering
Surface Hardness	HRC 55-60
Core Hardness	HRC 38-42
Machining	Precision Honed + Ground
Compatible Models	Soosan SB81, SB121
Delivery Time	1-12 Working Days

Superior Manufacturing Process

Each piston undergoes a strict manufacturing process: forging → rough machining → quenching and tempering → precision turning → honing → chrome plating → final inspection. The advanced heat treatment creates a hard wear-resistant surface while maintaining a tough impact-resistant core, preventing premature fatigue failure.

Exact Fit Guarantee

Manufactured to OEM dimensional specifications with tight tolerances for seamless installation. Compatible with Soosan SB81 and SB121 hydraulic breaker models. Each piston is individually inspected for dimensional accuracy and surface finish quality.

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