Austenitic stainless steel

stainless steel 309S tubes pipes EN 10216-5 1.4833 Stainless Steel Tubing piping

stainless steel 309S tubes pipes EN 10216-5 1.4833 Stainless Steel Tubing piping

OD:0.4-426mm THK:0.1-25mm
SUFACE:AP(Annealed and pickling) / MP(mechanically polish)/BA(bright annealed)
Product description: stainless steel 309S tubes pipes EN 10216-5 1.4833 Stainless Steel Tubing piping,309S pipes tubes,309S piping tubing,Stainless steel 309S pipes ,stainless steel 309S piping, stainless steel 309S tubes
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Introduce：

ASTM A213 ASME SA 213 309S, EN 10216-5 1.4833 Stainless Steel Tubing is typically used for elevated temperature applications. Its high chromium and nickel content provides comparable corrosion resistance, superior resistance to oxidation, and the retention of a larger fraction of room temperature strength than the common austenitic Alloy 304.

309S Stainless Steel Tubing is a highly alloyed austenitic stainless steel used for its excellent oxidation resistance, high temperature strength and creep resistance. The lower nickel content of SX309 improves resistance to sulphur attack at high temperature. It is tough and ductile, and can be readily fabricated and machined.
309S is the low-carbon version of 309, and is recommended for applications where sensitisation, and subsequent corrosion by high temperature gases or condensates during shutdown may pose a problem.309 is manufactured to ASTM A 167 and 309S to ASTM A240 specifications.

309S stainless steel is used often for higher temperature applications. While its oxidation resistance surpasses that of alloy 310, its resistance to corrosion is equivalent to that of alloy 310. Alloy 309 is highly weldable and cold formable, although it does require stronger forming machines and continuously increasing pressure. Typical machining methods are used for stainless steel grade 309, but it is tougher and does tend to harden more quickly. Like 310 Stainless Steel, 309S Stainless Steel has a high chromium and nickel content which grants excellent resistance to aqueous corrosion.

General Properties
Chemical Composition
Physical Properties
Heat Treatment/Annealing
Fabrication Characteristics
Application
Welding
Other Forms of Degradation
Aqueous Corrosion Resistance
Typical Short-Term Mechanical Properties
Elevated Temperature Oxidation Resistance
309S Stainless Steel Pipe Technical Data

309S Stainless Steel Tubing is a highly alloyed austenitic stainless steel used for its excellent oxidation resistance, high temperature strength and creep resistance. The lower nickel content of SX309 improves resistance to sulphur attack at high temperatures. It is tough and ductile, and can be readily fabricated and machined. 309S is the low-carbon version of 309, and is recommended for applications where sensitisation, and subsequent corrosion by high temperature gases or condensates during shutdown may pose a problem.
309S Stainless Steel Pipe manufacturer according to ASTM A213 and ASTM A312 ASTM A269 specifications.

309S Stainless Steel Tubing Applications
309 / 309S is used exclusively for its high temperature oxidation resistance. It is common for SX 309, 310 and 321 to be used in the same piece of equipment in the various temperature regions.

ASME SA213 309S Stainless Steel Tubing Chemical Composition

	C	Mn	P	S	Si	Cr	Ni
309H	0.04-0.10 max	2.00 max	0.045 max	0.030 max	1.00 max	22.0 - 24.0	12.0 - 15.0
309S	0.08 max	2.00 max	0.045 max	0.030 max	1.00 max	22.0 - 24.0	12.0 - 15.0

309S Stainless Steel Density Specific Gravity: 7.98 (g/cm³)

309S Stainless Steel Pipe Typical Properties in the Annealed Condition
The properties quoted in this publication are typical of mill production and unless indicated should not be regarded as guaranteed minimum values for specification purposes.

309S Stainless Steel Tubing Mechanical Properties at Room Temperature

	TP309H		TP309S
	TYPICAL	MIN	TYPICAL	MIN
Tensile Stength MPa	590	515	570	515
Proof Stress (0.2% Offset) MPa	285	205	280	205
Elongation (Percent in 50 mm)	50	35	48	35
Hardness (Rockwell)	-	90HRB Max	-	90 HRB Max
Endurance (fatigue) limit MPa	260		260

stainless steel 309S tubes pipes Creep Data
Stress to develop a creep rate of 1% in the time indicated at the temperature indicated.

Time	TemperatureoC	550	600	650	700	750	800
10 000 h 100 000 h	Stress MPa Stress MPa	100 75	80 50	60 30	30 20	25 10	10 5

Creep Rupture Stress

Time	Temperature oC	600	700	800	900	1 000
1 000 h 10 000 h 100 000 h	Stress MPa Stress MPa Stress MPa	180 150 100	90 50 40	35 30 20	20 10 5	5 2 -

stainless steel 309S tubes pipes Maximum Recommended Service
Temperature
(Oxidising Conditions)

Continuous 1100oC
Intermittent 980

stainless steel 309S tubes pipes Thermal Processing
1. 309S Stainless Steel TubingAnnealing. Heat between 1050oC and 1150oC and water quench. This treatment ensures that all carbides are in solution.
2. 309S Stainless Steel Tubing Stress Relieving 250-400oC for 1 hour.
3. 309S Stainless Steel Tubing Hot Working
Initial forging and pressure 1150-1 200oC
Finishing temperature 1000oC