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Stainless Steel Strip

Kromtel stainless steel strips have a broad range of use in the automobile industry, white goods industry, textile machinery, elevators, razors, knives, strip saws with spring raw material. 

Kromtel can provide you with many different qualities such as AISI 301, AISI 304, AISI 304L, AISI 305, AISI 309/310/314, AISI 316, AISI 430, AISI 430F, AISI 420 and AISI 613 which can be delivered in various sizes and hardness. Also strips can be delivered with features such as edge cut, burred off and rounded. Those strips have an extra shiny surface due to the oiling process. 

Kromtel also provides extra sensitive stainless steel material that is used for applications such as windshield wipers.

APPROXIMATE CHEMICAL COMPOSITIONS

KROMTEL NORM

C

Si

Mn

P

S

Cr

Ni

Mo

AISI

Werkstoff Nr.

K301

0,05-0,15

<2,0

<2,0

<0,045

<0,015

16-19

6,0 -9,5

<0,80

301

1,4310

K304

<0,07

<1,0

<2,0

<0,045

<0,015

17,5-19,5

8,0-10,5

304

1,4301

K316

<0,07

<1,0

<2,0

<0,045

<0,015

16,5-18,5

10-13

2 – 2,5

316

1,4401

K304L

<0,03

<1,0

<2,0

<0,045

<0,015

17,5-19,5

8,0-10,5

304L

1,4307

K316L

<0,03

<1,0

<2,0

<0,045

<0,015

16,5-18,5

10-13

2 – 2,5

316L

1,4404

K420

0,16-0,25

<1,0

<1,50

<0,040

<0,015

12-14

420

1,4021

K430

<0,08

<1,0

<1,0

<0,040

<0,015

16-18

430

1,4016

Phosphor Bronze Strip

Has especially an wide industrial use as electric contact for the automotive, white goods and brown goods industries. Phosphor Bronze has also a special area of use such as connector contacts, pump components, welding wires and electrotes.

Physical Properties

Alloy

Density
(gr/cm³)

Thermal Elongation Factor 
(10-6 K-1)

Electric Cond. (MS/
m?mm²)

Electric Cond.      (% IACS)

Heat Cond. (W/mK)

Flexibility (kN/mm²)

Welding Prop.

Solderin Prop.

Cracking

CuSn6

8.90

18.5

9

15

75

115

Good

Very Good

No

CuSn8

8.90

18.5

7.5

13

62

115

Good

Very Good

No

 

Mechanical Properties

Alloy

Temper

T/S RM
(N/mm²)

Bending Hardness
Rp 0.2 (N/mm²)

Elongation
A50 mm
(%50 min)

Vickers Hardness

CuSn6

R350/H80

350-420

≥300

≥45

80-110

R420/H125

420-520

≥260

≥17

125-165

R500/H160

500-590

≥450

≥8

160-190

R560/H180

560-650

≥500

≥5

180-210

R640/H200

640-730

≥600

≥3

200-230

R720/H220

≥720

≥690

≥220

CuSn8

R370/H90

370-450

≥300

≥50

90-120

R450/H135

450-550

≥280

≥20

135-175

R540/H170

540-630

≥460

≥13

170-200

R600/H190

600-690

≥530

≥5

190-220

R660/H210

660-750

≥620

≥3

210-240

R740/H230

≥740

≥700

≥2

≥230

 

Chemical Composition

Alloy

Chemical Composition (%)

EN

USA

Standards

CuSn6

Sn 5.5-7.0
P max. 0.35
Cu Rest

CW452K

C51900

DIN 17670-1
BS Alloy Pb 103

CuSn8

Sn 7.5-8.5
P max. 0.35
Cu Rest

CW453K

C52100

DIN17670-1
BS Alloy Pb 104

Carbon Steel Strip

Kromtel high carbon steel strips are processed through various heat treatments, edge and surface processes. Our products have very sensitive tolerances which allows you to find various combinations. 

The manufacturing process which is ISO9002 certified is utilised by qualified and educated workers using high technology machinery and equipment for high quality manufacturing. The in-house slitting lines allows us to provide you with your required sizes. 

Slitting and Cutting Line

The materials can be provided as original cut or slitted at our company regarding the sizes you need.

Approximate Chemical Compositions

Grade

%C

%Mn

%P 
(Max.)

%S 
(Max.)

Werkstoff Nr.

C55

0.52-0.60

0.60-0.90

0.040

0.050

1.1203

C60

0.55-0.66

0.60-0.90

0.040

0.050

1.0601

C67

0.65-0.76

0.60-0.90

0.040

0.050

1.1231

C75

0.70-0.80

0.60-0.80

0.040

0.050

1.1248

CK60

0.55-0.66

0.60-0.90

0.040

0.050

1.1221

CK67

0.65-0.76

0.60-0.90

0.040

0.050

1.1231

CK75

0.70-0.80

0.50-0.80

0.040

0.050

1.1248

CK85

0.80-0.90

0.70-1.00

0.040

0.050

1.1269

CK101

0.90-1.04

0.30-0.50

0.040

0.050

1.1274

50CrV4

0.45-0.55

0.70-1.10

0.040

0.050

1.2241

Equilavent Standards Table

Werkstoff Nr.

DIN

AISI

BS

AFNOR

UNI

1.1121

Ck10

1010

CS10

XC10

C10

1.1141

Ck15

1020

CS17

XC15

C16

1.1186

Ck35

1040

CS40

XC3841

C40

1.1191

Ck45

1.1206

Ck50

CS50

1.1203

Ck55

1055

XC55H1

C55

1.0601

Ck60

1060

CS60

C60

1.1231

Ck67

1065

CS70

XC68

C70

1.1248

Ck75

1074

CS80

XC75

C75

1.1269

Ck85

1085

XC90

C90

1.1273

90Mn4

1.2002

C125W2

Y2120C

1.2003

75Cr1

1.7015

15Cr3

5015

12C3

1.7103

67SiCr5

60SC7

1.7131

16MnCr5

5115

16MC5

16MnCr5

1.2241

50CrV4

8615

En47
735A50

50CV4

50CrV4

 

Carbon Steel Area of Use

Industrial springs, tree, strip, sabre and circular saws, measuring tools (folding meter), elevator connection parts, garden scissors, various knifes, trowels, spatula, marley knife, clutch manufacturing, safety belts, bonnet connection parts, bicycle, agricultural and industrial chains, hinge production, jewelry manufacturing, shoe supports, firearm parts, press and textile spare parts industry, white goods industry, plastic fibre knifes, drum spring steels, bearing manufacturing, leather cutting and splitting knifes, umbrealla parts, file parts, pressure cooker parts, horn diagrams, steel washer manufacturing, compressor valve steels, clips, tobacco knifes, stone and beton adjustment knifes, panel suspension ceiling.

With the experience, responsibility, and work ethics we have gained in the industry since 1989, it will always be our unchanging passion to provide service to our esteemed customers at an increasing level of quality and satisfaction.

KROMTEL SANAYİ VE TİCARET ANONİM ŞİRKETİ

Center: Merve Mah. Uzungöl Cad. No:7 YENİDOĞAN

34791 Sancaktepe / İSTANBUL

Phone: +90 (216) 564 08 00

Fax: +90 (216) 561 53 23

Fax: +90 (216) 561 02 10 (Import&Export)

Fax: +90 (216) 561 01 12 (Accounting)

E-mail: info@kromtel.com.tr

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