200 series stainless steel includes: 201,201LN, 202,204L,205, 206,2205,etc.
Chromium-manganese (200 series) austenitic stainless steel is based on chromium-nickel austenitic stainless steel, is to add manganese and (or) nitrogen to the steel instead of the precious metal nickel and developed, its austenitic elements, in addition to manganese and nitrogen, generally there is an appropriate amount of nickel (4%~6%).

300 series stainless steel includes: 304、304L、316、316L、301、301L、302、302B、303、303Se、304H、304N、304LN、305、308、309、309S、310、310S、310MoLN、316Ti、316Nb、316N、316LN、317、317L、317LMN、317LN、321、321H、330、347、347H.
The 300 series stainless steel, also known as 18-8 steel, is the most commonly used material for fasteners, joints, pipes and pipes, which have good corrosion resistance on the surface.

400 series stainless steel includes: 405, 410L, 430, 430F, 434, 447J1, XM27. Martensite: 403, 405, 410, 410J1, 416, 420, 420J1, 420J2, 431, 440A, 440B, 440C, 440F.
400 series stainless steel is an alloy of iron, carbon and chromium. Because it does not contain nickel, it is a nickel-free stainless steel, also known as stainless iron.

2507 stainless steel is a ferritic - austenitic (duplex) stainless steel, it combines many of the beneficial properties of ferritic steel and austenitic steel, because the steel chromium and molybdenum content are high, so it has a good resistance to spot corrosion, crevice corrosion and uniform corrosion ability. The biphase microstructure ensures that the steel has a high resistance to stress corrosion cracking and a high mechanical strength.

Super austenitic stainless steel (904L stainless steel plate) is a high alloyed austenitic stainless steel with a very low carbon content that has good corrosion resistance in dilute sulfuric acid and is designed for environments with harsh corrosion conditions. It has high resistance to chloride gap corrosion and stress corrosion cracking, is not easy to appear corrosion spots and cracks, and has a slightly better pitting resistance than other steel grades, has good machinability and weldability, and can be used in pressure vessels.

ASTM A240/A240M--01 Duplex Stainless Steel 2205 alloy is a compound stainless steel consisting of 21% chromium, 2.5% molybdenum and 4.5% nickel-nitrogen alloys. It has high strength, good impact toughness and good overall and local resistance to stress corrosion. The yield strength of 2205 duplex stainless steel is twice that of austenitic stainless steel, which allows designers to reduce weight when designing products, making this alloy more affordable than 316,317 L.

DIN EN 10088 is a standard that covers a number of areas, including shipbuilding and offshore structures, small vessels, steel products, etc.DIN EN 10088-1 focuses on catalogues and lists of stainless steel, while other parts deal with the technical conditions of delivery of corrosion-resistant steel and other materials. These standards provide important technical guidance for shipbuilding, steel construction and other related industries.

ASTM A480/A480M-12 Flat-Rolled Stainless Steel and heat-resistant steel sheets and strips.ASTM standards are published by ASTM (American Society for Testing and Materials) International, one of the oldest international standards organizations in the world.

The JIS mark is a mandatory certification based on product certification that verifies the conformity of a product according to Japanese Industrial Standards (JIS).
JIS covers industrial and mineral products, data, services and management systems under the Japanese Industrial Standardization Act. Japanese Industrial standards are issued by JISC- Japan Industrial Standards Committee.

Heat-resistant Cr and CR-Ni stainless steel midplates, sheets and strips for ASTM A240 pressure vessels. ASTM standards are published by ASTM (American Society for Testing and Materials) International, one of the oldest international standards organizations in the world.

JIS G4304 is a Japanese industry standard, specifically, it is a standard for hot-rolled stainless steel sheets, sheets and strips. This standard covers a wide range of specifications and performance requirements, including allowable size deviations, grades, chemical compositions, and test methods. The latest version of JIS G4304 was released in 2016.

GB/T 4237-2015 is a standard for stainless steel hot rolled steel plates and strips formulated by the China National Standardization Organization. GB/T 4237-2015 is suitable for corrosion-resistant stainless steel hot rolled thick steel plate, wide steel strip and its coil cut length steel plate, slitting wide steel strip, and narrow steel strip and its coil cut length steel strip.

ASTM A480/A480M-12 Flat-Rolled Stainless Steel and heat-resistant steel sheets and strips.ASTM standards are published by ASTM (American Society for Testing and Materials) International, one of the oldest international standards organizations in the world.

DIN EN 10088 is a standard that covers a number of areas, including shipbuilding and offshore structures, small vessels, steel products, etc.DIN EN 10088-1 focuses on catalogues and lists of stainless steel, while other parts deal with the technical conditions of delivery of corrosion-resistant steel and other materials. These standards provide important technical guidance for shipbuilding, steel construction and other related industries.

The JIS mark is a mandatory certification based on product certification that verifies the conformity of a product according to Japanese Industrial Standards (JIS).
JIS covers industrial and mineral products, data, services and management systems under the Japanese Industrial Standardization Act. Japanese Industrial standards are issued by JISC- Japan Industrial Standards Committee.

Martensitic age-hardening steel is a super-high strength steel with a precipitation-hardening matrix of carbon-free (or micro-carbon) martensite. Unlike traditional high-strength steel, it is strengthened by the dispersion of intermetallic compounds rather than carbon. This endows it with some unique properties: high strength and toughness, low hardening index, good formability, simple heat treatment process, almost no deformation during aging, and excellent weldability.

Martensitic age-hardening steel is a super-high strength steel with a precipitation-hardening matrix of carbon-free (or micro-carbon) martensite. Unlike traditional high-strength steel, it is strengthened by the dispersion of intermetallic compounds rather than carbon. This endows it with some unique properties: high strength and toughness, low hardening index, good formability, simple heat treatment process, almost no deformation during aging, and excellent weldability.

Martensitic age-hardening steel is a super-high strength steel with a precipitation-hardening matrix of carbon-free (or micro-carbon) martensite. Unlike traditional high-strength steel, it is strengthened by the dispersion of intermetallic compounds rather than carbon. This endows it with some unique properties: high strength and toughness, low hardening index, good formability, simple heat treatment process, almost no deformation during aging, and excellent weldability.