# Aktif Celik — Industrial Steel Supplier

> Aktif Celik is a B2B industrial steel supplier headquartered in Istanbul, Turkey. We supply forged flanges, pipe fittings, alloy steel bars, ferro alloys, foundry materials, and silica sand to energy, petrochemical, automotive, defense, shipbuilding, and heavy industry sectors across Turkey, Europe, and the Middle East.

## Company Information

- Name: Aktif Celik (Aktif Çelik)
- Website: https://aktifcelik.com
- Industry: Iron & Steel Manufacturing / B2B Industrial Supply
- Headquarters: Umraniye, Istanbul, Turkey
- Phone: +90 544 442 7090
- Email: info@aktifcelik.com
- Languages: Turkish, English, German, Italian, Arabic, Russian, French, Spanish

## Core Product Lines

### Pipe Connection Elements (ASME/ANSI/API Standards)
- Forged Steel Flanges: Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Orifice (ANSI B16.5 / B16.47)
- Pipe Fittings: Elbows, Tees, Reducers, Caps (ASME B16.9)
- Branch Connections: Weldolet, Sockolet, Threadolet, Elbolet, Latrolet
- Ring Joint Gaskets: R, RX, BX types
- Anchor Flanges: Pipeline support and fixation

### Steel Bars
- Hot Rolled Bars (EN 10060): Round, hexagonal, square, flat — 12-340mm, 40+ grades
- Bright Bars (EN 10278): Cold drawn, peeled, ground — h7-h11 tolerance
- Forged Bars & Pipes: 200-1000mm, seamless tubes (EN 10297-1)
- Free-Cutting Steels: 11SMnPb30, 11SMn30 — CNC optimized
- Carbon Steels: C35, CK45, SAE 1008-1050
- Case Hardening Steels: 16MnCr5, C10, C15

### Foundry & Casting Materials
- Ferro Alloys: FeCr, FeMn, FeSi, FeSiMg, FeSiMn, FeP
- Pig Iron: Steel pig, hematite pig, ductile pig
- Iron Casting: Inoculants, spheroidizers
- Non-Ferrous Casting: Crucibles, tablet alloys

### Surface Treatment & Abrasives
- Forged Grinding Balls: B2, B3, 60Mn, 65Mn, high-chrome
- Silica Sand: Foundry sand, industrial sand (99%+ SiO2)

## Industries Served

Energy & Oil/Gas, Petrochemical, Machinery Manufacturing, Automotive, Hydraulic & Pneumatic Systems, Shipbuilding, Defense, Agricultural Machinery, Foundry, Cement & Mining, Surface Treatment, Steelmaking, Glass, Refractory, Chemical, Construction, Water Treatment, Sports Facilities, Welding & Cutting, Paint & Coating

## Standards & Certifications

ASME B16.5, ASME B16.9, ASME B16.47, ANSI, API 6A, API 6D, EN 1092-1, EN 10060, EN 10278, EN 10297-1, ISO 9001:2015, ISO 14001, ISO 45001, CE Marking, TSE

## Technical Resources

- Steel Weight Calculator: https://aktifcelik.com/en/araclar/agirlik-hesaplama
- Flange Dimensions Table: https://aktifcelik.com/en/araclar/flans-olculeri
- Hardness Converter: https://aktifcelik.com/en/araclar/sertlik-donusturucu
- Grade Equivalents: https://aktifcelik.com/en/araclar/kalite-esdeger
- Bolt Torque Calculator: https://aktifcelik.com/en/araclar/civata-tork
- Steel Density Table: https://aktifcelik.com/en/araclar/celik-yogunluk
- ISO Tolerance Calculator: https://aktifcelik.com/en/araclar/tolerans-hesaplayici
- Chemical Composition: https://aktifcelik.com/en/araclar/kimyasal-kompozisyon
- Unit Weight Table: https://aktifcelik.com/en/araclar/birim-agirlik
- Pressure Class Rating: https://aktifcelik.com/en/araclar/basinc-sinifi
- DN/NPS Conversion: https://aktifcelik.com/en/araclar/dn-nps-donusum
- Charge Calculation: https://aktifcelik.com/en/araclar/sarz-hesaplama
- AFS Grain Fineness: https://aktifcelik.com/en/araclar/afs-hesaplama
- Shot Blasting Calculator: https://aktifcelik.com/en/araclar/shot-blasting

## Site Structure

- Products: https://aktifcelik.com/en/urunler (22 categories, 85+ sub-products)
- Industries: https://aktifcelik.com/en/sektorler (20 sectors)
- Production: https://aktifcelik.com/en/uretim-hatlarimiz (15 processes)
- Tools: https://aktifcelik.com/en/araclar (14 calculators)
- Blog: https://aktifcelik.com/en/blog (technical articles, guides, analyses)
- Standards: https://aktifcelik.com/en/standartlar
- Contact: https://aktifcelik.com/en/iletisim
- Request Quote: https://aktifcelik.com/en/teklif

## Extended Information

For comprehensive product specifications, technical data, and detailed company information, see: https://aktifcelik.com/llms-full.txt