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TP430 SS Automotive Stainless Steel Tubing ASTM A268 For Boiler / Heat Exchanger

Name: TP430 SS Automotive Stainless Steel Tubing ASTM A268 For Boiler Heat Exchanger
Brand: SPEZILLA
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Brand Name :	SPEZILLA
Model Number :	SMLS
Certification :	ISO9001, TS16949, PED, AD2000
Price :	NEGOCIATION
Payment Terms :	T/T, L/C
Supply Ability :	100TONS/MONTH
Delivery Time :	Ex-Mill 15 - 30DAYS

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TP430 SS Automotive Stainless Steel Tubing ASTM A268 For Boiler / Heat Exchanger

ASTM A268 TP430 SS Seamless Tubes Ferritic Stainless Steel Automative Tube

Type 430 stainless is one of the most widely used of non hardenable ferritic stainless steels, with nominal 16% chromium it combines good corrosion resistance and heat and oxidation resistance up to 816℃ with good mechanical properties.

Applications

home electrical appliances

cutlery

household

indoor decoration

oil refinery equipment

Typical Manufacturing Specifications:

ASTM A268

ASME SA268

TP409 is a typical martensitic chromium-alloy steel grade. It does not have the nickel content and owns the following characteristic:

- Harding by heat treatment
- High hardness with good ductility
- Good corrosion resistance capability
- Good wear corrosion resistance
- High cold-deformation property

Typical applications for 430 grade include:

Linings for dish washers
Refrigerator cabinet panels
Automotive trim
Lashing Wire
Element Supports
Stove trim rings
Fasteners
Chimney Liners

Heat Treatment

Solution Annealing – Heat to 815-845°C, hold for ½ hour per 25mm of thickness, slow furnace cool to 600°C and then quickly air cool. Slow cooling from 540-400°C will cause embrittlement.
Sub-Critical anneal – Heat to 760-815°C and then air cool or water quench.
This grade is not hardenable by thermal treatment.

Welding

Pre-heat at 150-200°C if welding is necessary.
Embrittlement in the weld metal and heat affected zone can be relieved by a post-weld anneal at 790-815°C
Grain refinement will not occur.

Machining

Easier to machine than the standard austenitic grades such as 304.
Still a tendency for galling and pick-up on the cutting tool.
Bars that have been lightly drawn are easier to machine than those in the annealed condition.
Grade 430F, the free machining version of 430, is very much easier to machine.

Fabrication

Lower work hardening rate makes bending and forming somewhat easier than for grade 304
Lower ductility restricts very severe operations.
Severe bends should be made with the bend axis at right angles to the rolling direction.
Severe cold heading of 430 wire is possible.

Item Code:	TP409
Tube OD.:	1/4'' - 2''
Wall:	0.028'' - 0.120''
Length:	20FT
Material:	405
Standard:	ASTM A268 ASME SA268
Finish:	Annealed & Pickled.
Type:	Seamless Cold Drawn
Certification:	ISO9001:2015
Mill Test Certificate:	EN10204 3.1
Packing:	Sleeved, Wooden Boxed

5% Test Solution at 120°F (49°C)	Corrosion Rate in Mils per Year and Millimeters per Year (mm/a)
5% Test Solution at 120°F (49°C)	Alloy 409	Alloy 410S	Alloy 420	Alloy 425 Mod	Alloy 440A	Alloy 430
Acetic Acid	0.88 (0.022)	0.079 (0.002)	1.11 (0.028)	4.79 (0.122)	2.31 (0.0586)	0.025 (0.0006)
Phosphoric Acid	0.59 (0.002)	0.062 (0.002)	0.068 (0.002)	0.593 (0.015)	0.350 (0.009)	0.029 (0.001)

ASTM A268 Tp410 tube composition:

Grade:	TP405	TP410	TP249	TP430	TP443	TP446-1	TP446-2	…	TP409
UNS	S40500	S41000	S42900	S43000	S44300	S44600	S44600	S40800	S40900
C, max	0.08	0.15	0.12	0.12	0.20	0.20	0.12	0.08	0.08
Mn,max	1.00	1.00	1.00	1.00	1.00	1.50	1.50	1.00	1.00
P, max	0.04	0.04	0.04	0.04	0.04	0.04	0.04	0.045	0.045
S, max	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.045	0.045
Si, max	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Ni	0.50max	…	…	…	0.75max	0.75max	0.50max	0.80max	0.50max
Cr	11.5-14.5	11.5-13.5	14.0-16.0	16.0-18.0	18.0-23.0	23.0-27.0	23.0-27.0	11.5-13.0	10.5-11.7
Mo	…	…	…	…	…	…	…	…	…
Al	0.10-0.30	…	…	…	…	…	…	…	…
Cu	…	…	…	…	0.90-1.25	…	…	…	…
N	…	…	…	…	…	0.25	0.25	12xCmin	6xCmin
Ti	…	…	…	…	…	…	…	1.10max	0.75max

Chemical Composition
	Min. %	Max %
Carbon	0.09	0.15
Silicon	0	1.00
Manganese	0	1.00
*Nickel	0	1.00
Chromium	11.50	13.50
Phosphorous	0	0.04
Sulphur	0	0.03
*Nickel additional option

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TP430 SS Automotive Stainless Steel Tubing ASTM A268 For Boiler / Heat Exchanger

TP430 SS Automotive Stainless Steel Tubing ASTM A268 For Boiler / Heat Exchanger

TP430 SS Automotive Stainless Steel Tubing ASTM A268 For Boiler / Heat Exchanger

Welding

Machining

Fabrication

industrial stainless steel pipe

ss round tube

TP430 SS Automotive Stainless Steel Tubing ASTM A268 For Boiler / Heat Exchanger

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