Strip

Stainless Steel Strip

Thu, 16 Mar 2023 07:34:40 +0000

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

Thu, 16 Mar 2023 07:25:36 +0000

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

Thu, 16 Mar 2023 07:13:05 +0000

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.