ASTM A270 stainelss steel sanitary pipe

Type: Stainless Steel Pipes Grade: 300 Series Shape: Round Surface Treatment: Polished Standard: ASTM, AISI Certification: ISO, SGS, AISI, ASTM Technique: Both Welded and Seamless Origin: China ASTM A270 Stainless Steel Sanitary Pipe
Standard: ASTM A270
Material: 304, 304L, 316, 316L
OD: 15.9~168.3mm
WT: 0.89, 0.90, 1.00, 1.07, 1.20, 1.24, 1.50, 1.60, 1.65, 2.00, 2.11, 2.77, 3.05mm
Welding method: TIG or TIG + Plasma
Heat Treatment: 1040° C Water Quenching
Marking: VASTAR, A 270, Grade, OD WT Length, Heat number, Surface finish.
Inspection items: Chemical Composition; Size; Reverse Flattening Test; Hydrostatic Test or Eddy current test; Surface quality; etc.
Application: Food & Dairy industry.

 

OD Tolerance		WT Tolerance	Length Tolerance
OD	Tolerance		OD	Tolerance
≤25.4mm	±0.13mm	±12.5%	≤101.6mm	+3.2mm-0mm
>25.4mm, ≤50.8mm	±0.20mm		>101.6mm	+4.8mm-0mm
>50.8mm, ≤76.2mm	±0.25mm
>76.2mm, ≤101.6mm	±0.38mm
>101.6mm,≤139.7mm	±0.38mm
>139.7mm,≤203.2mm	±0.76mm
>203.2mm,<304.8mm	±1.27mm

 

ASTM A270  Chemical Composition % Max
Grade	C	Si	Mn	P	S	Ni	Cr	Mo
304	0.08	1.00	2.00	0.045	0.03	8.00~11.00	18.00~20.00
304L	0.035	1.00	2.00	0.045	0.03	8.00~11.00	18.00~20.00
316	0.08	1.00	2.00	0.045	0.03	10.00~14.00	16.00~18.00	2.00~3.00
316L	0.035	1.00	2.00	0.045	0.03	10.00~15.00	16.00~18.00	2.00~3.00

 

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