Stainless Steel Seamless Pipes, ASTM A312 / A312M-2013a TP317, TP317L, 1.4438
TOBO GROUP deal with stainless steel seamless pipe and tube already more than 30 years, every year sell more than 80000 tons of stainless steel seamless pipe and tube. Our client already cover more than 45 countries
 
ASTM A213 / A213M - 11a: Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
ASTM A269 - 10: Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service
ASTM A312 / A312M - 12: Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
ASTM A511 / A511M - 12: Standard Specification for Seamless Stainless Steel Mechanical Tubing
ASTM A789 / A789M - 10a: Standard Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service
ASTM A790 / A790M - 11: Standard Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe
DIN 17456-2010: GENERAL PUROSE SEAMLESS CIRCULAR STAINLESS STEEL TUBES.
DIN 17458-2010: Seamless Circular of Austenitic Stainless Steel Tube
EN10216-5 CT 1/ 2 : Stainless Steel Seamless Pipe & Tube
GOST 9941-81: SEAMLESS COLD- AND WARM-WORKED TUBES MADE OF CORROSION RESISTANT STEEL.
Others like BS, JIS standard or can supply
ASTM A312 TP317L Stainless Steel Seamless Pipes and Tubes specification:
Tubing Size : 1/8″NB TO 30″NB IN
Specialized in : Large Diameter Size
Tubing Schedule: SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Tubing Type : Seamless / ERW / Welded / Fabricated / LSAW Pipes
Form: Round, Square, Rectangular, Hydraulic Etc.
Length: Single Random, Double Random & Cut Length.
Tubing End: Plain End, Beveled End, Treaded.
Production according to national and international standards (e.g. ASME, ASTM , API, EN, DNV, etc.)

Chemical Composition in Weight Percent   per ASTM A240 for Cited Alloys
Element		Type 317L	Type 317LMN
Carbon		0.03 max	0.03 max
Manganese		2.00	2.00
Silicon		0.75 max	0.75 max
Chromium		18.00 – 20.00	17.00 – 20.00
Nickel		11.00 – 15.00	13.50 – 17.50
Molybdenum		3.00 – 4.00	4.00 – 5.00
Phosphorus		0.04 max	0.04 max
Sulfur		0.03 max	0.03 max
Nitrogen		0.10 max	0.10 – 0.20
Iron		Balance	Balance
UNS No.		S31703	S31726
Minimum Mechanical Properties per   ASTM A-240 for Cited Alloys
Property	Alloy 317L			Alloy 317LMN
Ultimate Tensile Strength, ksi (MPa)	75   (515)			80   (550)
0.2% Yield Strength, ksi (MPa)	30 Contact Infomation Send Inquiry Company name:TOBO STEEL GROUP CHINA Status:[Offline] [Send message] [Chat] Business contact:Joy Wang (Ms.) Telphone: Mobile: Fax: Area: Caribbean Region-Bermuda Address:No.208,Lvdi Road,Baihe Town,Qingpu District,Shanghai,China Zip:200000