Our company specializes in cold drawing, meeting the market’s demand for steels produced with high dimensional precision and tight tolerances. Our cold drawing facility utilizes hot-rolled bars produced in-house as well as wire rods supplied by leading domestic and international manufacturers as raw materials.
Production in our cold drawing plant is carried out in accordance with TS EN 10278 and ASTM A108 tolerances. We are capable of manufacturing round, rectangular, square, and hexagonal profiles, tailored to diverse customer needs.
In addition to cold drawing, our facility is equipped with peeling and grinding units, offering alternative cold processing options. Furthermore, with the eddy current testing devices integrated into our system, we are able to provide crack-tested product certifications ensuring flawless material integrity.
DIMENSIONAL TOLERANCES FOR BRIGHT STEEL PRODUCTS (TS EN 10278)
| Nihai durum / Final State | Nihai duruma göre tolerans sınıfı / Tolerance class according to final state | ||||||
|---|---|---|---|---|---|---|---|
| h6 | h7 | h8 | h9 | h10 | h11 | h12 | |
| Çekilmiş / Cold Drawn | R | R | R,S,H | R,S,H | |||
| Kabuğu Soyulmuş / Peeled | R | R | R | R | |||
| Taşlanmış / Ground | R | R | R | R | R | R | R |
| Parlatılmış / Brightened | R | R | R | R | R | R | R |
| R = Yuvarlak / Round – S = Kare / Square – H = Altıgen / Hexagon | |||||||
Tolerance Classes
| Anma Boyutları Nominal Dimensions (mm) | h6 | h7 | h8 | h9 | h10 | h11 | h12 |
|---|---|---|---|---|---|---|---|
| > 1 – ≤ 3 | 0,006 | 0,010 | 0,014 | 0,025 | 0,040 | 0,060 | 0,100 |
| > 3 – ≤ 6 | 0,008 | 0,012 | 0,018 | 0,030 | 0,048 | 0,075 | 0,120 |
| > 6 – ≤ 10 | 0,009 | 0,015 | 0,022 | 0,036 | 0,058 | 0,090 | 0,150 |
| > 10 – ≤ 18 | 0,011 | 0,018 | 0,027 | 0,043 | 0,070 | 0,110 | 0,180 |
| > 18 – ≤ 30 | 0,013 | 0,021 | 0,033 | 0,052 | 0,084 | 0,130 | 0,210 |
| > 30 – ≤ 50 | 0,016 | 0,025 | 0,039 | 0,062 | 0,100 | 0,160 | 0,250 |
| > 50 – ≤ 80 | 0,019 | 0,030 | 0,046 | 0,074 | 0,120 | 0,190 | 0,300 |
| > 80 – ≤ 120 | 0,022 | 0,035 | 0,054 | 0,087 | 0,140 | 0,220 | 0,350 |
| > 120 – ≤ 180 | 0,025 | 0,040 | 0,063 | 0,100 | 0,160 | 0,250 | 0,400 |
| > 180 – ≤ 200 | 0,029 | 0,046 | 0,072 | 0,115 | 0,185 | 0,290 | 0,460 |
|
Yukarıdaki tüm toleranslar mm cinsinden eksi yönde sapma olarak alınmalıdır. All the Tolerances above must be taken as minus deviations in mm. | |||||||
TOLERANSCES FOR COLD DRAWN FLAT BARS
| Genişlik / Wideness | Sapma Deviation (mm) | Sınıf / Class | Kalınlık / Thickness | Sapma Deviation (mm) | Sınıf / Class | |
|---|---|---|---|---|---|---|
| ≤ 18 | 0 | -0,11 | h 11 | > 3 ≤ 6 | -0,075 | h 11 |
| > 18 ≤ 30 | 0 | -0,13 | h 11 | > 6 ≤ 10 | -0,090 | h 11 |
| > 30 ≤ 50 | 0 | -0,16 | h 11 | > 10 ≤ 18 | -0,11 | h 11 |
| > 50 ≤ 80 | 0 | -0,19 | h 11 | > 18 ≤ 30 | -0,13 | h 11 |
| > 80 ≤ 100 | 0 | -0,22 | h 11 | > 30 ≤ 50 | -0,16 | h 11 |
| > 100 ≤ 150 | +0,50 | -0,50 | h 11 | > 50 ≤ 60 | -0,19 | h 11 |
| > 150 ≤ 200 | +1,00 | -1,00 | h 12 | > 60 ≤ 80 | -0,30 | h 12 |
| > 200 ≤ 300 | +2,00 | -2,00 | h 12 | > 80 ≤ 100 | -0,35 | h 12 |
| > 300 ≤ 400 | +2,50 | -2,50 | ||||
1. All positive deviations for thickness are 0 mm.
2. The tolerances in the table apply only to low-carbon steels (< 0.20%) and low-carbon free-cutting steels. For all other steels, deviations are increased by 50%.
DIMENSIONAL TOLERANCES FOR BRIGHT STEEL PRODUCTS (ASTM A108 / CLASS 1)
| Ölçü Size, in. (mm) | Karbon Değeri ≤ % 0.28 Max. Carbon ≤ 0.28% | Karbon Değeri > % 0.28 – ≤ % 0.55 Max. Carbon 0.28–0.55% | Karbon Değeri ≤ % 0.55 Stress Relieved / Annealed | Karbon Değeri > % 0.55 Max. Carbon > 0.55% |
|---|---|---|---|---|
| Tüm toleranslar inç (mm) cinsindendir ve eksidir / All tolerances are in inches (mm) and are minus | ||||
| Yuvarlak (6 inç'e kadar soğuk çekilmiş veya işlenmiş) / Rounds (Cold Drawn to 6 in. or Turned and Polished) | ||||
| ≤ 1 (25.4) Kangal / in coils | 0.002 (.051) | 0.003 (.076) | 0.004 (.102) | 0.005 (.127) |
| Çubuklar / Cut Lengths | ||||
| ≤ 1 1/2 (38.10) | 0.003 (.076) | 0.004 (.102) | 0.005 (.127) | 0.006 (.152) |
| > 1 1/2 – ≤ 2 1/2 (38.10 – 63.50) | 0.004 (.102) | 0.005 (.127) | 0.006 (.152) | 0.007 (.178) |
| > 2 1/2 – ≤ 4 (63.50 – 101.60) | 0.005 (.127) | 0.006 (.152) | 0.007 (.178) | 0.008 (.203) |
| > 4 – ≤ 6 (101.60 – 152.40) | 0.006 (.152) | 0.007 (.178) | 0.008 (.203) | 0.009 (.229) |
| > 6 – ≤ 8 (152.40 – 203.20) | 0.007 (.178) | 0.008 (.203) | 0.009 (.229) | 0.010 (.254) |
| > 8 – ≤ 9 (203.20 – 228.60) | 0.008 (.203) | 0.009 (.229) | 0.010 (.254) | 0.011 (.279) |
Hexagons
| ≤ 3/4 (19.05) | 0.003 (.076) | 0.004 (.102) | 0.005 (.127) | 0.007 (.178) |
| > 3/4 – ≤ 1 1/2 (38.10) | 0.004 (.102) | 0.005 (.127) | 0.006 (.152) | 0.008 (.203) |
| > 1 1/2 – ≤ 2 1/2 (63.50) | 0.005 (.127) | 0.006 (.152) | 0.007 (.178) | 0.009 (.229) |
| > 2 1/2 – ≤ 3 1/8 (79.38) | 0.006 (.152) | 0.007 (.178) | 0.008 (.203) | 0.010 (.254) |
| > 3 1/8 – ≤ 4 (101.60) | 0.006 (.152) | … | … | … |
Squares
| ≤ 3/4 (19.05) | 0.003 (.076) | 0.005 (.127) | 0.006 (.152) | 0.008 (.203) |
| > 3/4 – ≤ 1 1/2 (38.10) | 0.004 (.102) | 0.006 (.152) | 0.007 (.178) | 0.009 (.229) |
| > 1 1/2 – ≤ 2 1/2 (63.50) | 0.005 (.127) | 0.007 (.178) | 0.008 (.203) | 0.010 (.254) |
| > 2 1/2 – ≤ 4 (101.60) | 0.006 (.152) | 0.007 (.178) | 0.008 (.203) | 0.010 (.254) |
| > 4 – ≤ 5 (127.00) | 0.011 (.279) | … | … | … |
Flats *
| ≤ 3/4 (19.05) | 0.004 (.102) | 0.005 (.127) | 0.007 (.178) | 0.009 (.229) |
| > 3/4 – ≤ 1 1/2 (38.10) | 0.005 (.127) | 0.006 (.152) | 0.009 (.229) | 0.011 (.279) |
| > 1 1/2 – ≤ 3 (76.2) | 0.006 (.152) | 0.007 (.178) | 0.011 (.279) | 0.013 (.330) |
| > 3 – ≤ 4 (101.60) | 0.007 (.178) | 0.009 (.229) | 0.012 (.305) | 0.017 (.432) |
| > 4 – ≤ 6 (152.40) | 0.009 (.229) | 0.011 (.279) | 0.013 (.330) | 0.021 (.533) |
| > 6 (152.40) | 0.014 (.356) | … | … | … |
Galeri
