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High Quality Stainless Steel S53008 Austenitic Stainless Valve Steel SUH35 Antioxidant 21-4N Wear-Resistant 53Cr21MnNi4N with Engine Exhaust Valve

Price $2200.00
Min Order 1 Ton
Availability In Stock
Shipping From Zhejiang, China
Popularity 414 people viewed
Model NO.:
21-4N
Type:
Stainless Steel Bars
Standard:
ASTM, AISI, GB, JIS
Grade:
500 Series
Certification:
ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
Shape:
Round
Technique:
Hot Rolled
Surface Treatment:
Polished
Purpose:
The intake and exhaust valves of diesel and gasoli
Hardness range:
HB 300-350
Trademark:
Ningbo Ningshing
Transport Package:
According to Customer Request
Specification:
Ф 5.5-15mm
Origin:
China
Product Description

High Quality Stainless Steel S53008 Austenitic Stainless Valve Steel SUH35 Antioxidant 21-4N Wear-Resistant 53Cr21MnNi4N with Engine Exhaust Valve

 

Application:
Valve steel is an essential material used to manufacture intake and exhaust valves for gasoline and diesel engines, and is a critical material for the entire engine. 21-4N is the main material used for exhaust valves in engines. Compared with intake valves, exhaust valves work under higher temperature, greater pressure, and stronger corrosion, which requires higher material requirements and is the most crucial part of the engine.

Ingredient Design:
The system has considered the influence of alloying elements such as C, Cr, Ni, and N on the material's strength, toughness, oxidation resistance, wear resistance, and microstructure stability, and has conducted a deep optimization of material composition, significantly improving the product's overall performance.

Production Process:
Electric furnace+out-of-furnace refining+high temperature homogenization+special forming process

Product Features:
High purity, low segregation, no layered precipitate, uniform structure, strong toughness, antioxidant, wear-resistant, and tissue stability.

Chemical Composition:

Grade Comparison ChartGBUSAJapan
 

53Cr21MnNi4N

S53008

SUH35

21-4NCMnCrNi

Ingredient Range(wt.%)

0.48-0.58

8.0-10.0

20.0-22.0

3.25-4.50


Dimensions:

Round Steel

Hardness Range

Ф5.5~Ф15

HB 300-350

 

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