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Why doesn’t stainless steel rust ?

Stainless steel contains a minimum of 10.5% chromium, which forms a thin, invisible, and highly adherent oxide layer on the surface of the steel called the “passive layer.” This passive layer is what makes stainless steel highly resistant to rust and corrosion. When the steel is ex... Read More

Cold Drawn Stainless Steel Tube and Stainless Steel Welded Tube difference

Cold drawn stainless steel tube and stainless steel welded tube are two different types of tubing that are used in various industrial applications. The main difference between them is the manufacturing process. Cold drawn stainless steel tube is made by drawing a solid stainless steel rod th... Read More

Alloy Stainless Steel round pipe weight calculation formula instroduction

Nickel Alloy Weight Calculator (Monel, Inconel, Incoloy, Hastelloy) Round Pipe  weight calculation formula 1. Stainless Steel Round Pipe Formula: (outer diameter – wall thickness) × wall thickness (mm) × length (m) × 0.02491 E.g.: 114mm (outer diameter) × 4mm (wall thickness) × 6m (length) Calc... Read More

1.4935 ASTM616 C-422 Martensitic Stainless Steel Bars

  Stainless steel 422, X20CrMoWV12-1, 1.4935, SUH 616, UNS 42200, ASTM A437 Grade B4B martensitic creep resistant stainless steel additional heavy metal alloying elements giving it good strength and temper resistance at higher temperatures up to 1200 F, Chrome-nickel steel with an austenitic... Read More

Four Kinds of Stainless Steel Wire Surface Introduction

Four Kinds of Stainless Steel Wire Surface Introduction : Steel wire usually refers to a product made of hot-rolled wire rod as raw material and processed through a series of processes such as heat treatment, pickling, and drawing. Its industrial uses are widely involved in springs, screws, bolts... Read More

Tolerance standard of stainless steel seamless welded pipe

Tolerance standard of stainless steel seamless welded pipe:   Read More

The advantages of stainless steel wire plum blossom wire take-up process over traditional steel wire take-up ？

Specification: Grade：669 669B 201(Ni 4) 304 304H 304HC 310S 321 316 316L paper tube packaging SS diameter Range：0.8-2.0mm paper tube packaging Weight Range：200-250KG Temper: Soft wire Stainless Steel Wire Woven Bag Roll Packaging Diameter Range：0.2-8.0mm paper tube：ID: 300mm OD: 500mm Height... Read More

Stainless steel hexagonal bar Opposite side size and Diagonal length Conversion relationship

Stainless steel hexagonal bar Opposite side size and Diagonal length Conversion relationship: Hexagonal Opposite Angle = Hexagonal opposite side /0.866 Example：47.02 Hexagonal opposite side/0.866=54.3 Opposite Angle;   Stainless steel hexagonal bar  weight Calculation Formula:  Hexagonal o... Read More

Stainless Steel Redrawing Annealing Wire Applications

Applicatinos: Supplying good elongation generatrix  for other manufactures in the lines of filament drawing, producing fine spring wire,  acupuncture wire and pressed wires, etc.   Grade Mechanical Properties 304 Wire Has good corrosion resistance and is widely used 304M Wire Has good... Read More

stainless steel capillary tube pipe introduction

1.Stainless steel capillary tube pipe concept： I. Used in automation instrument signal tubes, automation instrument wire protection tubes, etc., building materials with good flexibility, corrosion resistance, high temperature resistance, abrasion resistance, tensile resistance, water resistance ... Read More

Stainless Steel Strips Hardness ？

Stainless Steel Strips Hardness： Strips – Cold Rolled material under 3/16 in.[5.00] in thickness and under 24 in. [600mm] in width.  Base on ASTM A480-2016 Grade：201,  301，304, 316, 321, 430 Grade     State       Tensile Strength (MPa)  Elongation (% in 50mm)  Yield Strength 0.2% Proo... Read More

what do the acronyms IPS, NPS, ID, DN, NB, SCH, SRL, DRL mean?

The fascinating world of pipe sizes: acronyms IPS, NPS, ID, DN, NB, SCH, SRL, DRL mean ? 1.DN is a European terms that means “normal diameter”, equal to NPS, DN is NPS times 25(example NPS 4=DN 4X25= DN 100). 2.NB means  “nominal bore”,ID means “internal diameter”.they are both synonyms of nomina... Read More

What’s The Difference Of 201, 201 J1, 201 J2, 201 J3, 201 J4?

201 Stainless Steel Copper content: J4>J1>J3>J2>J5. Carbon content: J5>J2>J3>J1>J4. Hardness arrangement: J5, J2>J3>J1>J4. The order of prices from high to low is: J4>J1>J3>J2, J5. J1（Mid Copper）: The carbon content is slightly higher than J4 and the co... Read More

What’s The Difference Of 440A, 440B, 440C, 440F?

Saky steel Martensitic stainless steel is a kind of chromium stainless steel which maintains martensitic microstructure at room temperature, whose properties can be adjusted by heat treatment (quenching and tempering). Generally speaking, it is a kind of hardenable stainless steel. After quenchin... Read More

420 420J1 420J2 Stainless steel plate difference ?

Distinguish between 420 420J1 and 420J2 stainless steel performance characteristics: The main difference between stainless steel 420J1 and 420J2 420J1 has a certain degree of wear resistance and corrosion resistance, high hardness, and its price is the lower of the stainless steel balls. It is su... Read More
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