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Name: 4140 Alloy Steel Plate
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4140 Alloy Steel Plate

AISI 4140 Alloy Steel Plate (Cr-Mo alloy steel). High strength, great toughness and excellent hardenability. Suitable for heavy machinery, automotive, oil & gas structural parts, gear blanks and fixture manufacturing. Custom cutting available.

WhatsApp ：8613052238878

Email ：elena@shengxisteel.com

- PRODUCT PARAMETERS -

A29 Gr.4140

Basic information
Grade	A29 Gr.4140
Standard	ASTM A29/A29M-2012
Type	Alloy structural steel
Product	Hot rolled materials, forging materials
Application	Basic components
Explanation
Chemical composition (wt%)
Carbon C	Silicon Si	Manganese Mn	Phosphorus P	Sulfur S	Nickel Ni	Chromium Cr	Molybdenum Mo	Cuprum Cu
0.38~0.43	0.15~0.35	0.75~1	≤0.035	≤0.04	≤0.25	0.8~1.1	0.15~0.25	≤0.35
Basic mechanical properties
Grade		Shape		Delivery status		Details
A29 Gr.4140		Bar		Hot rolling, annealing

Product Attributes:

Certification：ISO 9001

Length：500-9000MM

Tolerance：±1%

Delivery Time：8 ~ 14 days

Shape：Bar / Plate

Standard：ASTM A29 / AISI 4140

Dimensions：D3-500mm

Grade：AISI 4140, 4140 Alloy Steel

Brand Name：SHENG XI

Place of Origin：Shanghai, China

Application：Mechanical shafts, gear, mold parts, engineering machinery components

Processing Service：Heat treatment, cutting, forging, quenching and tempering

ADVANTAGES:

1.Excellent Heat Treatability & Balanced Mechanical Performance

2.Strong Hardenability & Low Distortion During Heat Treatment

3.Superior Fatigue & Wear Resistance for Continuous Operation

4.Stable Machinability & Flexible Processing Options

5.Versatile Material for Multi-Industry Heavy-Duty Manufacturing

- FACTORY DISPLAY -

We have our own independent factory which can provide one-stop service for steel cutting, forming and surface treatment. The factory has a strict quality inspection system and various precision testing instruments, and has passed all the third party quality tests such as SGS, BV and CE.