Name: ASTM A312 TP316L / UNS S31603 / EN 1.4404 Stainless Steel Seamless Pipe for Industry
Brand: Yuhong Group Co.,Ltd
SKU: ASTM A312 TP316L roestvrijstalen naadloze buis
Price: 150000 USD
Availability: InStock

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ASTM A312 TP316L / UNS S31603 / EN 1.4404 Stainless Steel Seamless Pipe for Industry

Productdetails:

Plaats van herkomst:	China
Merknaam:	YUHONG
Certificering:	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Modelnummer:	ASTM A312 TP316L roestvrijstalen naadloze buis

Betalen & Verzenden Algemene voorwaarden:

Min. bestelaantal:	500 kg
Verpakking Details:	TRIPLEXcomputer-aided software engineering, BUNDEL
Levertijd:	7 dagen
Betalingscondities:	L/C, T/T

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Gedetailleerde productomschrijving

Productnaam:	Roestvrijstalen naadloze pijp	Standaard:	ASTM A312/ ASME SA312
Materiaal:	TP316L / UNS S31603 / EN 1.4404	O.D:	1/2 "tot 48"
Wanddikte:	Schema 5S tot en met Schema XXS	Lengte:	Eenvoudig willekeurig, dubbel willekeurig en snijlengte.
Pijpuiteinde:	Duidelijk uiteinde, afgeschuind uiteinde
Markeren:	ASTM A312 TP316L stainless steel pipe , UNS S31603 seamless pipe for industry , EN 1.4404 stainless steel seamless pipe

ASTM A312 TP316L / UNS S31603 / EN 1.4404 Stainless Steel Seamless Pipe

YUHONG Group started business with stainless steel seamless pipes. Over decades of dedicated development, we have evolved from a manufacturer into a comprehensive supplier covering the entire chain from production to export. Our brand is built on a solid reputation for quality, reliability, and integrity. Today, our business spans a wide spectrum of industrial sectors, and we supply an extensive inventory of commonly used material grades—including austenitic, duplex, super‑austenitic, and nickel alloys—to meet diverse market demands. With rigorous quality control, global logistics capabilities, and decades of hands‑on experience, YUHONG Group stands as a trusted partner for ASTM A312 TP316L seamless pipes and all your corrosion‑resistant piping solutions.

Equivalent Grades of ASTM A312 TP316L Stainless Steel Seamless Pipe

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	GOST	AFNOR	EN
SS 316L	1.4404 / 1.4435	S31603	SUS 316L	316S11 / 316S13	03Ch17N14M3 / 03Ch17N14M2	Z3CND17‐11‐02 / Z3CND18‐14‐03	X2CrNiMo17-12-2 / X2CrNiMo18-14-3

Chemical Composition of ASTM A312 TP316L Stainless Steel Seamless Pipes

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	Fe
SS 316L	0.035 max	2.0 max	1.0 max	0.045 max	0.030 max	16.00 - 18.00	2.00 - 3.00	10.00 - 14.00	68.89 min

Manufacturing & Testing (Mandatory per ASTM) NDT

Test	Requirement
Hydrostatic Test	Each pipe is pressure-tested (or NDT-electrically tested per E213) to minimum required burst pressure.
Flattening Test	For welded pipes (though applicable as a supplementary test for seamless).
Flange Test	Ensures ductility.
Chemical Analysis	Per Heat (Ladle) and Check (Product) analysis.
PMI (Positive Material Identification)	Recommended for lot verification to confirm UNS S31603.

Key Industrial Properties (Why TP316L?)

The addition of Molybdenum (2-3%) distinguishes TP316L from TP304L, offering:

Superior Corrosion Resistance: Excellent resistance to pitting and crevice corrosion in chloride-containing environments (e.g., marine atmospheres, brackish water).
Resistance to Reducing Acids: Performs well against sulfuric, phosphoric, and acetic acids, especially in moderate temperatures.
Intergranular Corrosion Resistance: The ultra-low carbon content prevents chromium carbide precipitation at grain boundaries during welding, eliminating the need for post-weld annealing for corrosion integrity.
High Temperature Scaling: Resists oxidation up to 870°C (1,600°F) in intermittent service and 925°C (1,700°F) in continuous service (though creep strength declines above 500°C).

Applications

Chemical & Petrochemical: Process piping for chlorides, amines, and hot organic acids.
Oil & Gas: Downhole tubing, sour service lines (with NACE restrictions regarding H₂S, though generally acceptable up to limits).
Pharmaceutical & Biotechnology: High-purity steam and WFI (Water for Injection) systems (often with specific surface finish requirements).
Food & Beverage: Dairy processing, brewing, and sanitary piping.
Marine Engineering: Heat exchangers and condenser tubing in coastal plants.
Power Generation: Condenser and feedwater heater tubes (where chloride stress corrosion is a concern).