430 stainless steel standard classification and grading:

Hierarchical classification: 

1, the national standard GB 2, the industry standard YB 3, 4 local standards, corporate standards Q / CB 

Category: 

1 product packaging standard stainless steel sheets‍ 2 Standard 3 Method 4 basic standards 

Standard level (of three): 

Y class: the international advanced stainless steel coils manufacturers‍ class I: International general level H level: advanced level 

GB 

GB1220-84 stainless steel rods (I grade) GB4241-84 stainless steel plate welded Park (H level) 

GB4356-84 stainless steel plate welded Park (I-level) GB1270-80 stainless steel pipe (Class I) 

GB12771-91 stainless steel pipe (Y class) GB3280-84 stainless steel cold (I class) 

GB4237-84 stainless steel hot plate (I grade) GB4239-91 stainless steel cold strip (I class)‍

International steel plate marking methods:

American Iron and Steel Institute with three digits to mark a variety of standard grade wrought stainless steel. Where: 

An austenitic stainless steel with 200 and 300 series digital mark, 

2, ferritic and 410 ss plate‍ stainless steel 400 series is represented by numbers. For example, some of the more common austenitic stainless steel 

Is 201, 304, 316 and 310 marks, 

3, 430 grade stainless steel‍ stainless steel is marked 430 and 446, 410, 420 and 440C martensitic stainless steel is a scalar 

Remember, duplex (austenitic - ferritic), 

4, stainless steel, precipitation hardening stainless steel and high-alloy iron content of less than 50% usually uses proprietary name or trademark name.‍

Stainless steel weight by:

304 stainless steel plate: Thickness (mm) X width (m) X Length (m) X density of 316 stainless steel plate: Thickness (mm) X width (m) X Length (m) X density of 430 stainless steel plate: Thickness (mm) X width (m) X length (m) X density
Stainless density:
grade 430 stainless steel stainless steel Density: 7.98 4 series stainless steel Density: 7.75 Other material density: 7.93
Physical properties
Overall heat transfer coefficient depends on the thermal conductivity of the stainless steel 301 in addition to the metal, but also depends on other factors. In most cases, the film heat transfer coefficient, scale, and surface condition of the metal. The stainless steel surface can be maintained clean, so it better heat transfer coefficient of heat conductivity higher than the other metals.

Cutting stainless steel for several reasons not

Plus oxygen gas flame can not be cut because the stainless steel plate is less susceptible to oxidation. stainless steel strips thick stainless steel plate processing use special cutting tools, such as: (1) the larger wattage Laser Cutting magnetism stainless steel (laser cutting machine), (2) Hydraulic Saw, (3) grinding disc, (4) staffing saws, and (5) Wire Cutting machine (EDM).

430 stainless steel sheets corrosion

In order to ensure the yield strength of various types of stainless steel, mechanical properties of tensile strength, elongation and hardness to meet the requirements, you must go magnetic stainless annealing, solution treatment, aging heat treatment prior to delivery of steel. 

430 stainless steel sheets corrosion resistance depends mainly on its alloy composition (chromium, nickel, titanium, silicon, aluminum, manganese, etc.) and internal organizational structure, play a major role in the chromium. Chromium has a high chemical stability, steel 304 stainless steel plate film formed on the surface of the metal with the outside world to isolate and protect steel from oxidation, increasing corrosion resistance of steel.

stainless steel sheets by steel Organization Category:

(1) austenitic (2) austenitic - ferritic (3) ferritic (4) martensitic, 

Precipitation hardening Note: Precipitation hardening (precipitation hardening): refers to the metal in the supersaturated stainless steel supplier solution and solute segregation zone (or) by stripping off the particles dispersed in the matrix which leads to a hardening heat treatment. Such as stainless steel coil stainless steel sheets in the precipitation solution treatment after cold working or in the 400 ~ 500 ℃ 700 ~ 800 ℃ or precipitation hardening, high strength can be obtained. I.e. some supersaturated solid solution alloy at room temperature or heating it to more.

stainless steel sheet Introduction

Stainless steel plate manufacturing method are two hot and cold, including cold plate thickness of 0.02 to 4 mm thin and 4.5-50 mm plate. 

stainless steel sheet according to the organizational characteristics of steel is divided into five categories: austenitic, austenitic - 430 stainless sheet, ferritic, martensitic, precipitation hardening. 

Requirements can withstand acid, sulfuric acid - ferric sulfate, nitrate, magnets stainless steel acid - hydrofluoric acid, sulfuric acid - copper sulfate, phosphoric acid, formic acid, acetic acid and other corrosive, widely used in chemical, food, pharmaceutical, paper, oil, nuclear, etc. industry and construction, kitchen utensils, cutlery, vehicles, household appliances all kinds of spare parts.