Q235 Piston Rod-Shandong Tuogang metal products Co., Ltd

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Piston Rod

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Q235 Piston Rod

Piston Rod

The piston rod is a connecting part that supports the piston to do work. Most of it is used in the oil cylinder and cylinder movement execution parts. It is a moving part with frequent movement and high technical requirements. Taking the hydraulic cylinder as an example, it is composed of cylinder barrel, piston rod (cylinder rod), piston and end cap.

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Parameter

Chemical Composition

Mechanical Properties

Parameter	Description
Material	Commonly used materials include 45 steel, 4140 steel, stainless steel, ST52, 20 steel, 16Mn, etc.
Outer Diameter Dimension	Generally between 12 - 500mm.
Supply Length	Usually up to 14m, and non-fixed or fixed lengths can also be provided according to user requirements.
Straightness	≤ 0.2mm/m, and for some high-precision requirements, it can reach 0.05 - 0.10mm/m.
Tolerance Standard	The outer diameter tolerance is usually f7 - f8. For example, for an outer diameter of 6 - 10mm, the tolerance is -0.013 - -0.028mm, etc.
Outer Surface Roughness	Ra 0.2 - 0.4µm.
Hard Chrome Thickness	Usually 0.015 - 0.025mm.
Surface Hardness	HV700 - 1150.
Temperature Resistance	Generally between -40 - 120℃.
Pressure Resistance	Can reach up to 70MPa.

Grade	C	Si	Mn	P	S	Cu	Cr	Ni
Cor-ten A	0.12	0.25-0.75	0.20-0.50	0.01-0.2	0.03	0.25-0.55	0.5-1.25	0.65
Cor-ten B	0.16	0.3-0.5	0.8-1.25	0.03	0.03	0.25-0.40	0.4-0.65	≤0.4
SPA-H	0.12	0.2-0.75	0.60	0.07-0.15	0.035	0.25-0.55	0.3-1.25	0.65
9CuPCrNi-A	0.12	0.2-0.75	0.20-0.50	0.07-0.15	0.040	0.25-0.55	0.3-1.25	0.65
Q235NH	0.13	0.10-0.40	0.20-0.60	0.03	0.030	0.25-0.55	0.40-0.80	0.65
Q295NH	0.15	0.10-0.50	0.30-1.00	0.03	0.030	0.25-0.55	0.40-0.80	0.65
Q355NH	0.16	0.5	0.50-1.50	0.03	0.030	0.25-0.55	0.40-0.80	0.65
Q415NH	0.12	0.65	1.10	0.025	0.030	0.20-0.55	0.30-1.25	0.12-0.65
Q460NH	0.12	0.65	1.50	0.025	0.030	0.20-0.55	0.30-1.25	0.12-0.65
Q500NH	0.12	0.65	2.0	0.025	0.030	0.20-0.55	0.30-1.25	0.12-0.65
Q550NH	0.12	0.65	2.0	0.025	0.030	0.20-0.55	0.30-1.25	0.12-0.65
Q265GNH	0.12	0.10-0.40	0.20-0.50	0.07-0.12	0.020	0.2-0.45	0.30-0.65	0.25-0.50
Q295GNH	0.12	0.10-0.40	0.20-0.50	0.07-0.12	0.020	0.25-0.45	0.30-0.65	0.25-0.50
Q310GNH	0.12	0.25-0.75	0.20-0.50	0.07-0.12	0.020	0.25-0.55	0.30-1.25	0.65
Q355GNH	0.12	0.20-0.75	1.00	0.07-0.15	0.020	0.25-0.55	0.30-1.25	0.65
Q345GNHL	0.12	0.25-0.75	0.20-0.50	0.07-0.15	0.035	0.25-0.55	0.30-0.65	0.65
Q295GQR2	0.12	0.10-0.40	0.20-0.50	0.06-0.12	0.020	0.25-0.45	0.30-0.65	0.25-0.5
Q295GQR3	0.12	0.20-0.40	0.25-0.55	0.06-0.12	0.020	0.25-0.50	---	---
Q345NQR2	0.12	0.25-0.75	0.20-0.50	0.06-0.12	0.020	0.25-0.50	0.3-1.25	0.12-0.65
Q345NQR3	0.12	0.20-0.50	0.25-0.70	0.06-0.12	0.020	0.25-0.50	---	---
Q400NQR1	0.12	0.75	1.10	0.025	0.008	0.25-0.55	0.3-1.25	0.12-0.65
Q450NQR1	0.12	0.75	1.50	0.025	0.008	0.25-0.55	0.3-1.25	0.12-0.65
Q500NQR1	0.12	0.75	2.00	0.025	0.008	0.25-0.55	0.3-1.25	0.12-0.65
Q550NQR1	0.16	0.75	2.00	0.025	0.008	0.25-0.55	0.3-1.25	0.65

Carbon content (wt.%)	Microstructure	Properties	Examples
Low-carbon steel	< 0.25	Ferrite, pearlite	Low hardness and cost. High ductility, toughness, machinability and weldability	AISI 304, ASTM A815, AISI 316L
Medium-carbon steel	0.25 – 0.60	Martensite	Low hardenability, medium strength, ductility and toughness	AISI 409, ASTM A29, SCM435
High-carbon steel	0.60 – 1.25	Pearlite	High hardness, strength, low ductility	AISI 440C, EN 10088-3

PRODUCT DISPLAY

WORKSHOP PACKAGING

Packaging and loading:

Packaging: According to customers' needs, use wrapping paper. If the transportation period exceeds 10 days or encounters special climate, we will use waterproof packaging and add plastic film to prevent moisture, water and rust.

Loading: We use the wooden pallet,triangular wood to fix the coil,and the steel wire rope to hold on the both side. That can prevent from the crush injury effectively.

ABOUT US

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