ASTM A312 317 Stainless Steel Pipe

1. Standard: ASTM A312 / ASME SA312
2. Size: 1/8”- 30”
3. Thickness: SCH5~SCHXXS
4. Equivalent：UNS S31700, WNR.1.4449, AISI 317

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Product Introduction

ASTM A312 317 Stainless Steel Pipe is a molybdenum-containing austenitic stainless steel with enhanced corrosion resistance, high tensile strength and excellent heat resistance. WNR.1.4449 addition of molybdenum improves corrosion resistance to a variety of chemicals, including sulfuric acid, acetic acid and other organic acids. We are a SS 317 pipe supplier with 15+ export experience, contact us for more information and free quotes!

ASTM A312 317 SS pipe standard:

ASTM A312: Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Grades: TP304, TP304L, TP310S, TP316, TP316L, 316Ti, TP317, TP317L, TP321, TP347, TP347H, S31254, N08367, N08926, N08904, S31254

ANSI B36.19: Specification for stainless steel pipes

ASTM A312 TP317 Stainless Steel Pipe Specifications

Specifications	ASTM A 312 / ASME SA 312
Dimensions	ASTM, ASME, and API
SS 317 Pipes	1/2″ NB – 16″ NB
ERW 317 Pipes	1/2″ NB – 24″ NB
EFW 317 Pipes	6″ NB – 100″ NB
Size	1/8″NB TO 30″NB IN
Schedule	SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH60, SCH80, XS, SCH100, SCH120, SCH140, SCH160, XXS
Length	Single Random, Double Random & Cut Length.
End	Plain End, Beveled End, Treaded
Type	Seamless / ERW / Welded / Fabricated / LSAW Pipes
Referenced ASTM Standards	A 262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels³ A 370 Test Methods and Definitions for Mechanical Testing of Steel Products³ A 450/A 450M Specification for General Requirements for Carbon, Ferritic Alloy, and Austenitic Alloy Steel Tubes⁴ A 941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys⁴ A 999/A 999M Specification for General Requirements for Alloy and Stainless Steel Pipe⁴

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Alloy 317 Stainless Steel Pipe Chemical Composition

Grade		C	Ni	Si	S	Mn	P	Cr	Mo
SS 317	min.	-	11.0	-	-	-	-	18.0	3.00
SS 317	max.	0.08	14.0	1.00	0.03	2.00	0.040	20.0	4.00

ASTM A312 TP317 Pipe Mechanical Properties

Grade	Tensile Strength (MPa) min	Elongation (% in 50mm) min	Yield Strength 0.2% Proof (MPa) min	Hardness
				Rockwell B (HR B) max	Brinell (HB) max
AISI 317	515	35	205	95	217

ASTM A312 317 Stainless Steel Pipe Physical Properties

Physical Properties (Room Temperature)
Specific Heat (0-100°C)	500	J.kg-1.°K-1
Thermal Conductivity	14.6	W.m -1.°K-1
Thermal Expansion	16.5	mm/m/°C
Modulus Elasticity	193	GPa
Electrical Resistivity	7.4	μohm/cm
Density	7.99	g/cm³

ASTM A312 TP317 Seamless Pipe Tolerances

NPS	ASTM A312 TP317 OD Tolerance
	+		–
	inch	mm	inch	mm
1/8~1 1 /2 > 1 1 /2~4 > 4~8 > 8~18 > 18~26 > 26~34 > 34~48	1/64(0.015) 1/32(0.031) 1/16(0.062) 3/32(0.093) 1/8(0.125) 5/32(0.156) 3/16(0.187)	0.4 0.8 1.6 2.4 3.2 4.0 4.8	1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031) 1/32(0.031)	0.8 0.8 0.8 0.8 0.8 0.8 0.8