ASTM A269 Stainless Steel Instrumentation pipe

Type: Stainless Steel Pipes Grade: 300 Series Shape: Round Surface Treatment: Pickling Origin: China Standard: ASTM, AISI Certification: ISO, SGS, AISI, ASTM, GB, EN, DIN, JIS Technique: Cold Rolled Transport Package: by Bundle or Plastic Strap or Wooden Box. ASTM A269 Seamless and Welded Austenitic Stainless Steel Tubing
Standard: ASTM A269/ASME SA269
Material: 304, 304L, 316, 316L, 321, 347
Size: OD (16-159mm) X WT (1.5-13mm)
Application: Boiler, heat Exchanger, etc.

Inspection items:
1, Chemical Composition
2, Size
3, Flaring test(seamless)
4, flanging test(welded)
5, Bending test
6, Hydrostatic Test or Eddy current test or Ultrasonic test
7, Surface quality
8, Hardness
 

Material	ASTM A269  Chemical Composition % Max
	C	Mn	P	S	Si	Cr	Ni	Mo	N B	Nb	Ti
TP304	0.08	2.00	0.045	0.030	1.00	18.0-20.0	8.0-11.0	^	^	^ .	^
TP304L	0.035	2.00	0.045	0.030	1.00	18.0-20.0	8.0-12.0	^	^	^	^
TP316	0.08	2.00	0.045	0.030	1.00	16.0-18.0	10.0-14.0	2.00-3.00	^	^	^
TP316L	0.035 D	2.00	0.045	0.030	1.00	16.0-18.0	10.0-15.0	2.00-3.00	^	^	^
TP321	0.08	2.00	0.045	0.030	1.00	17.0-19.0	9.0-12.0	^	^	^	5C -0.70
TP347	0.08	2.00	0.045	0.030	1.00	17.0-19.0	9.0-12.0			10C -1.10	^

 

Material	Heat treatment	Temperure F (C) Min.	Hardness
			Brinell	Rockwell
TP304	Solution	1900 (1040)	192HBW/200HV	90HRB
TP304L	Solution	1900 (1040)	192HBW/200HV	90HRB
TP316	Solution	1900(1040)	192HBW/200HV	90HRB
TP316L	Solution	1900(1040)	192HBW/200HV	90HRB
TP321	Solution	1900(1040) F	192HBW/200HV	90HRB
TP347	Solution	1900(1040)	192HBW/200HV	90HRB

 

OD, inch	OD Tolerance inch(mm)	WT Tolerance %	Length Tolernace inch(mm)
			+	-
≤ 1 /2	± 0.005 ( 0.13 )	± 15	1 /8 ( 3.2 )	0
> 1 /2~1 1 /2	± 0.005(0.13)	± 10	1 /8(3.2)	0
> 1 1 /2~< 3 1 /2	± 0.010(0.25)	± 10	3 /16(4.8)	0
> 3 1 /2~< 5 1 /2	± 0.015(0.38)	± 10	3 /16(4.8)	0
> 5 1 /2~< 8	± 0.030(0.76)	± 10	3 /16(4.8)	0
8~< 12	± 0.040(1.01)	± 10	3 /16(4.8)	0
12~< 14	± 0.050(1.26)	± 10	3 /16(4.8)	0

 

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