Name: ASTM A312 TP321 Stainless Steel Seamless Pipe Industrial 12X18H10T Seamless Pipe GOST 9941
Brand: Yuhong Group Co.,Ltd
SKU: ASTM A312 TP321 Stainless Steel Seamless Pipe
Price: 150000 USD
Availability: InStock

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ASTM A312 TP321 Stainless Steel Seamless Pipe Industrial 12X18H10T Seamless Pipe GOST 9941

Product Details:

Place of Origin:	CHINA
Brand Name:	YUHONG
Certification:	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:	ASTM A312 TP321 Stainless Steel Seamless Pipe

Payment & Shipping Terms:

Minimum Order Quantity:	1000KGS
Packaging Details:	Plywood case,Bundle
Delivery Time:	7 DAYS
Payment Terms:	L/C,T/T

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Detailed Product Description

Product Name:	Stainless Steel Seamless Pipe	Standard:	ASTM A312/ ASME SA312
Material:	TP321 / UNS S32100 / 1.4541/12X18H10T	Wall Thickness:	Schedule 5S To Schedule XXS.
Length:	Single Random, Double Random & Cut Length.	Type:	Seamless , Welded
Pipe End:	Plain End, Beveled End
Highlight:	ASTM A312 TP321 stainless steel pipe , industrial seamless pipe GOST 9941 , 12X18H10T stainless steel seamless pipe

ASTM A312 TP321 / UNS S32100 Stainless Steel Seamless Pipe Industrial GOST 12X18H10T Steel Pipe

ASTM A312 TP321 / GOST 9941 12X18H10T is a seamless stainless steel pipe manufactured to either American (ASTM) or R GOST standards. The material is an austenitic stainless steel stabilized with titanium, which provides excellent resistance to intergranular corrosion after welding and maintains high strength at temperatures up to ~870°C (1650°F). It is widely used in petrochemical, power generation, and aerospace applications where both corrosion resistance and thermal stability are required.

Equivalent Material of ASTM A312 TP321 Stainless Steel Seamless Pipe

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
		BS	En	No	Name
321	S32100	321S31	58B, 58C	1.4541	X6CrNiTi18-10	2337	SUS 321

Chemical Composition of ASTM A312 TP321 Stainless Steel Seamless Pipes

Grade		C	Mn	Si	P	S	Cr	Mo	Ni	N	Other
321	min. max	- 0.08	2.00	0.75	0.045	0.030	17.0 19.0	-	9.0 12.0	0.10	Ti=5(C+N) 0.70

Mechanical Properties of ASTM A312 TP321 Stainless Steel Seamless Pipes

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
				Rockwell B (HR B) max	Brinell (HB) max
321	515	205	40	95	217

Key Properties

Both pipes share identical physical and mechanical properties:

Stabilization: The addition of Titanium prevents intergranular corrosion (weld decay). Unlike standard 304 (TP304), TP321/12X18H10T does not require post-weld annealing to resist corrosion in the "heat affected zone" (HAZ).

Temperature Resistance: Suitable for continuous service up to ~870°C (1650°F) . It offers excellent oxidation resistance and creep strength at high temperatures.

Corrosion Resistance: Excellent resistance to oxidation, organic acids, and general atmospheric conditions. It is superior to 304/304L in environments where sensitization (chromium carbide precipitation) is a risk.

Applications

Petrochemical: Refinery piping, heat exchangers, and furnace parts.

Aerospace: Exhaust systems and engine components.

Power Generation: Superheater tubes and boiler components.

Cryogenic: Because it is austenitic, it retains excellent toughness at low temperatures as well.

Chemical Processing: Handling aggressive fluids where welding is required without post-weld heat treatment.

ASTM A312 TP321 Stainless Steel Seamless Pipe Industrial 12X18H10T Seamless Pipe GOST 9941 0