Zh Metal Materia’l have been supplying the industry with stainless steel for over 10 years, building a reputation for quality and service with many customers in diverse market sectors.
Our range of stainless steel products includes long products, flat products, marine and aerospace materials, tubular products and handrailing.
Materials are sources from approved and highly reputable mills and our customers can have confidence that all materials supplied originate from trusted and proven manufacturers.
Our service centres around the CN and own fleet of delivery vehicles mean you can be sure that Zhong Wang are able to handle your stainless steel supply needs reliably and consistently.
Zanglamaydigan po'lat bir nechta toifalarda mavjud bo'lib, ular beshta asosiy turga bo'linadi: austenitik, ferritik, duplex, martensitik va precipitatsion qotish.
Austenitik va ferritik navlar eng ko'p ishlatiladi, ular zanglamaydigan po'lat ilovalarning 95% ini tashkil etadi, eng ko'p belgilangan nav esa 1.4307 (304L) hisoblanadi.
Ehtimol, zanglamaydigan po'lat turlari orasida eng keng tarqalgani austenitik po'latlardir; ular yuqori darajadagi xromga ega bo'lib, nikel, uglerod, marganets va azot kabi boshqa elementlarning darajalari turlicha bo'ladi.
Ushbu po'latlar qo'shimcha qotishmalariga qarab ikki toifaga bo'linadi. Nikelli po'latlar 300-seriya, asosan marganets va azotdan foydalanadigan po'latlar esa 200-seriya deb ataladi.
Austenitik zanglamaydigan po'latning amaliy qo'llanilish sohalari qatoriga oshxona idish-tovoqlari, oshxona anjomlari, jarrohlik asboblari va qayiq jihozlari kiradi, shuningdek, avtomobilsozlik va aerokosmik sanoatdagi ko'plab komponentlarning tuzilishida ham ishlatiladi.
Xrom darajasi yuqori bo'lgan ferritli po'latlar 400-toifa po'latlarga kiradi. Ular magnit xususiyatlari bilan mashhur bo'lib, shuningdek, yaxshi tortish kuchi va egiluvchanlikka ega hamda issiqlik charchoqligiga, korroziyaga va stress-korroziya yoriqlariga juda chidamli.
Ferritli zanglamaydigan po'lat chidamlilik uchun mo'ljallangan bo'lib, ko'pincha avtomobil qismlari, maishiy texnika va ovqatlanish sanoatida uchraydi.
Martensitli po'latlar shuningdek zanglamaydigan po'latlarning 400-toifa seriyasiga kiradi. Ular kamdan ko'p uglerod, shuningdek xrom va molibdenni o'z ichiga oladi. Bu material oksidlanishga va/yoki korroziyaga chidamlilik, past haroratlarda yuqori mustahkamlik yoki yuqori haroratlarda surilishga chidamlilik talab etilganda qo'llanadi. Martensitli po'latlar magnit xususiyatlariga ega, yaxshi cho'ziluvchanlik va bardoshlilikka ega hamda ularni shakllantirish osonroq.
Ilovalari keng va xilma-xil bo'lib, ularga nasos va klapan qismlari, boltlar, yong'oqlar va vintlar, jarrohlik asboblari, qo'l kesish asboblari va oshxona idish-tovoqlari, shuningdek turbina va kompressor qismlari kiradi.
Dupleks zanglamaydigan po'latlar o'stenit va ferrit mikrostrukturalarining aralashmasidir. Ular yuqori darajada xrom va molibden hamda nihoyatda kam nikelni o'z ichiga oladi. Ushbu aralash strukturaga ega po'latlar qatoriga yuqori chidamlilik va koroziyaga chidamlilik kabi juda tijorat jihatidan jozibali xususiyatlar beradi.
200-grad seriyasiga kiritilgan duplex eng qattiq topshiriqlar va eng talabchan muhitlar uchun ideal hisoblanadi. U qurilish, yuk tanklari, kimyo zavodlari hamda neft va gazni qayta ishlash kabi ko'plab sohalarda qo'llaniladi.
Yomg'ir bilan qotaytiriladigan zanglamaydigan po'latlar — bu issiqlikka chidamli qotishmalar to'plami bo'lib, ularni issiqlik bilan ishlov berish orqali oddiy austenitik po'latga nisbatan uch-to'rt baravar yuqori tortish kuchlanishi qiymatlariga erishish mumkin.
Bu alyuminiy, mis, molibden va titanni aralash holda yoki alohida elementlar sifatida qo'shish orqali erishiladi.
Yomg'ir bilan qotayadigan zanglamaydigan po'latlar yadro, neft, gaz va aerokosmik sanoatlarda keng qo'llaniladi, chunki ulardan asosiy talab etiladigan xususiyatlar – yuqori tortish kuchi va korroziyaga chidamlilikdir.
200-seriya xrom, nikel va magniy qotishmalari nikel ishlatishni cheklash uchun ko'proq marganets va azotdan foydalanadi. Azot elementi tufayli 200-seriya zanglamaydigan po'latlar 300-seriyaga nisbatan yuqori cho'zilish kuchiga ega.
Mazmun: Xrom, Marganets, Nikell, Qotishmalar
300-seriya xrom va nikel qotishmalaridan iborat bo'lib, zanglamaydigan po'lat turlari orasida eng ko'p ishlatiladiganidir.
Mazmun: Xrom, nikel qotishmalari
Highly ductile and fast hardening. Great weldability and more resistant to wear than type 304
Slightly higher strength than 304 due to added carbon, and with equivalent corrosion resistance
This is an ‘easier to machine’ version of type 304, it gains this quality through added sulphur and phosphorus.
The most common grade of stainless steel – 18% chromium, 8% nickel baseline and the blueprint and comparison from which other steels are created.
Has better resistance to temperature than 304.
Behind 304, this is the second most common grade. It is commonly referred to as ‘marine grade’ due to a higher resistance to chloride corrosion than 304. The added element of molybdenum helps achieve this.
High heat resistance but with poor corrosion values, comprising 11% chromium and 8% nickel.
This is the cheapest stainless steel, made from iron and chromium.
High in strength and made from iron and chromium. Resistant to wear but with less corrosion resistance.
Martensitic ‘cutlery grade’. A distinct similarity to Brearley’s original stainless steel and excellent for polishing.
A decorative Stainless Steel in the ferritic family. Easy to form but lacking in resistance to corrosion and temperature.
Containing higher levels of carbon, this is one of the hardest stainless steels, it is essentially a higher grade of ‘cutlery steel’.
Heat-resisting chromium alloys, coupled with the 400 Series are the hardest of the stainless steels. Noted for being magnetic, they are hardened through a mix of both hard and cold working.
Precipitation hardening steels contain in the region of 17% chromium and 4% nickel content. When heat treated the PH Steel is hardened to a higher level than common martensitic alloys. The strength levels can be further increased with the addition niobium, copper and aluminium.
From catering to healthcare, automotive, aerospace and construction, it isn’t too much to say that stainless steel has revolutionised the modern world, finding applications in almost every sector of manufacturing.
As a usable commercial material, stainless steel has outperformed aluminium, carbon steel and copper.The secret to its commercial viability is in its exceptional physical and chemical properties, heat resistance of up to 1200c make it unique as a metal, as well as being weldable, easy to form and resistant to rust. It is also relatively inexpensive compared to other, non-corrosive alloys.Over the past century, diligent work has continually been put into improving its techniques and processes, adding consistent quality and efficient manufacturing to a material with peerless properties.
Stainless steel is the name given to a widely used group of iron-based alloys. Noted for their high levels of heat and corrosion resistance, they are ideally suited to challenging environments, and industries where solid, dependable components are essential.
One of stainless steels main standout characteristics is its smaller chromium content, giving it superior corrosion resistance to other types of steel. It is primarily formed from iron and carbon but mixes in other elements such as chromium, molybdenum, nitrogen, nickel and magnesium.
Stainless Steel Properties
Stainless steel is considered a green product – it is non-degradable and therefore can be 100% recycled infinitely without any loss of its inherent qualities.
Steel is, therefore, one of the world’s most recycled materials and more steel is recycled each year than aluminium, glass, paper and plastic combined.
As a result, recycling stainless steel can result in a 95% reduction in the energy needed to reform the metal, as opposed to manufacturing from new materials. This means a significant reduction in the need to consume natural resources as part of its manufacture.
Stainless steel contains no toxic elements and therefore doesn’t cause issues with toxic run-off, making it an incredibly clean material for the environment. Indeed, the fact that stainless steel is non-toxic, easy to clean and resistant to bacterial longevity, is what makes it a primary source of material in catering, medicine and household appliances.
It is also highly resistant to other damages such as fire or water corrosion, giving it an even longer life expectancy, and creating much lower maintenance costs.
At just over 100 years old, stainless steel is a relative newcomer to the commercial metals market. Many previous attempts had been made to create steel that was resistant to rust, but none had succeeded until 1913 when Harry Brearley of Sheffield stumbled upon a mix of 12.8% chromium with molten iron and so, the first true ‘Rustless’ steel was produced.
Chromium was the key ingredient due to its corrosion resistance, and Brearley had happened upon this unique property while working for the British Army at the beginning of the First World War.
It was while he was trying to solve the problem of gun barrels eroding and chromium was the missing link.
After this discovery, improvements to stainless steel were inevitable and rapid. In 1919, Elwood Haynes from Portland, Indiana obtained the first patent on martensitic stainless steel, then in 1929 William J Kroll from Luxembourg discovered precipitation hardening stainless steel, and fast on the heels of that, duplex stainless steel came to the fore in the Avesta Ironworks of Sweden.
English English 
Español
Deutsch
Français
日本語
한국어
العربية
Português do Brasil
Italiano
Türkçe
Tiếng Việt
ไทย
Русский
O‘zbekcha
Bahasa Indonesia
ພາສາລາວ
বাংলা
Монгол
Agar sizda biron bir savol bo'lsa, iltimos, biz bilan bog'laning, biz kuniga 24 soat onlaynmiz
