شرکت پیوان سال‌هاست که به داشتن پیشینه معتبر، دانش فنی و ارتباط موثر دوجانبه با شرکای تجاری داخلی و خارجی خود مفتخر است. ما توانسته‌ایم به‌واسطه این پشتوانه، گام‌های بزرگی را در راستای مشاوره، خرید خارجی و ارائه خدمات تخصصی متناسب با نیاز مشتریان برداریم. برخی از پروژه‌هایی که ما شانه‌به‌شانه‌ صاحبان آن‌ها، افتخار همراهی داشته‌ایم، به صنایع زیر تعلق داشته‌اند:

  • نفت و گاز و پتروشیمی
  • حمل‌ونقل ریلی و تجهیزات وابسته
  • صنایع ساختمان‌سازی، آسانسور و تابلو برق
  • ماشین‌آلات، تجهیزات معادن و راه‌سازی
  • سازه‌های صنعتی و تجاری
  • کشتی‌سازی و تجهیزات وابسته
  • لوازم خانگی و صنایع جانبی
  • نیروگاهی و...

در زیر، لیستی از محصولات قابل تامین توسط پیوان درج شده است.

Dish HeadAll types of Head can supply by our expert team as single piece (seamless & welded) and multi-piece (segments as crown + petal) according to following details: 
  • Semi-elliptical Head (2:1)
  • Elliptical Head (1.9:1)
  • Tori spherical Head
  • Flat Dished & Flanged Head
  • Dished only Discs
  • Flat Head
  • Hemispherical Head
  • Cone Head
 
  • Forming: hot forming & cold forming
  • Manufacturing Standard: ASME Code section 8 Div. 1 paragraph “UG79” and “UG81”
  • Associated Services: Welding, NDT, Heat Treatment, shot blasting, Pickling & Passivation
 Please send your request to check and provide the best solution for your need.
Carbon Steel & Alloy Steel PlateWe supply Steel Plates with following specification and dimensions:Typical Grades:
  • EN 10028 S355 J2 / J0 / K2+N
  • ASTM / ASME SA 516 Gr 60 / 65 / 70 + NACE MR0175 (ISO15156) / NACE MR0103 / HIC
  • EN 10028 P265GH / P355GH / P355NL1 / P460NL1
  • ASME SA537, SA573, SA203 and …
 Pressure Vessel Chrome I Molybdenum Alloy Steel
  • EN 10028 -2 16Mo3
  • ASME SA 387 Gr 5 Class 2
  • ASME SA 387 Gr 11 Class 2
  • ASME SA 387 Gr 12 Class 2
  • ASME SA 387 Gr 22 Class 2
  • ASME SA 387 Gr 91 Class 2
 Offshore Grades
  • API 2H Gr 50
  • API 2W Gr 50
  • BS 7191 355EM / EMZ
  • EN 10225 S355 G7 / GS / G9 / Gl0+N
 Weather Resistant Plates
  • Corten Grade A / B
 Also, other specification and standard may be discussed and check with us as per client requirements.Dimensions:
  • Thickness: 6-200 mm
  • Width: 1,500 – 5,000 mm
  • Length: 4,000 – 18,000 mm
Stainless Steel heavy platesWe supply Stainless Steel Plates with following specification and dimensions:Stainless Steel Grades
  • ASME / ASTM A 240 - 304 / 304L
  • ASME / ASTM A 240 - 316 / 316L
  • ASME / ASTM A 240 - 321 / 321H
  • ASME / ASTM A 240 - 347
 Dimensions:
  • Thickness: 8-160 mm
  • Width: 1000-4000 mm
  • Length: 3000-12000 mm
High Strength Low Alloy Plates
  • S460QL
  • S620QL
  • S690QL
  • S960QL
  • S1100QL
Please contact us for any clarification required or other details.
Wear / Abrasion Resistance plates
  • TMCP or QT with Hardness 360, 400, 450, 500 and 550 HBN
 Brand: valuable brand in all around the world. Dimensions:
  • Thickness: 6-100 mm
  • Width: 1600-2500 mm
  • Length: 4000-12000 mm
Rolled shell platesTypical Materials: SA516 Gr. 60/70, SA537, SA387, SA573, SA203, SS 304, 316, 321, 347, …Special Materials: Clad plates, High Alloy materials. Capacity:
  • Thickness: 3-200 mm
  • Width: Maximum 6,000 mm depend on Diameter
  • ID: 300 mm-7,000 mm
 Other requirements: Tack Weld, Impact test, Heat treatment, NACE MR0175, NACE MR0103, UT Lamination, HIC, SSC, Bending test, RT examination, hot tensile test, …
Clad platesClad plates is answer to the issue of corrosion resistance for shell plates and heads of pressure vessel manufacturing. CLADDINGSWe offer ferritic and austenitic stainless steels (Cr, Cr-Ni,Cr-Ni-Mo), nickel and nickel-based alloys, copper and copper-nickel-alloys as cladding materials for clad plates, heads & Shell. 
  • BASE PLATES: common Carbon Steel and Alloy Steel plates.
 
  • Cladding Process: Roll bonding cladding, Explosion cladding, Weld overlay cladding
 
  • Depending on the type of clad materials we can provide various dimensions. The clad materials mainly used are ferritic and austenitic stainless steels, nickel and nickel-based alloys and copper alloys; please contact us for more information.
 Advantages in comparison to solid corrosion-resistant alloy (CRA) plates:
  • Reduced material cost
  • Less weight due to reduction of wall thicknesses
  • Reduction of weld length due to larger dimensions
  • Lower cost of filler metal
  • Superior heat conductivity
Steel Valves, Flanges and Fittings 
Valves
  • Ball Valves
  • Check Valves
  • Gate Valves
  • Globe Valves
Flanges
Flange detail
StandardDIN2527, DIN2566, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2628, DIN2629, DIN2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673, ASTM A105, A182, A694
Material qualityC.S / S.S and Alloy Steel plates
TypeWelding neck flange, slip-on flange, threaded flange, socket welding flange, blind flange, plate flange
ApplicationConnection
Special tubeConventional wall thickness and special thick-walled steel pipe, maximum wall thickness can up to 60mm
PurposeWidely used in mechanical processing, petrochemical, transportation and construction industry
Pressure rating6Bar,10Bar,16Bar, 25Bar, 40Bar
SpecificationDN10~DN1000
Wall thicknessSch5~Sch160, XS, XXS, STD
 Fittings
  • Tee
  • Elbow
  • Reducer
  • Bend
WELDED PIPES Carbon Steel
  • API 5L Gr B to Gr X80
 Low Temperature Carbon Steel
  • A671 EFW LSAW for atmospheric & Low Temp
  • A672 EFW LSAW for High Pressure service at moderate temperature, in all Grades
 Stainless Steel & Special Stainless
  • A358 TP 304/304L, 316/316L, 310, 317, 321, 347, 410, 904, H Grades
  • A928 UNS S31803 – Duplex 2205
  • A928 UNS S32750 / S32760 - Super Duplex 2507
 Alloys Steel
  • A691 all Grades
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