ASTM A312 Tp321 / S32168 /12X18h10t Seamless Stainless Steel Pipe Tube

• Customization: Available
• Type: Stainless Steel Pipes, Stainless Steel Pipes
• Standard: ASTM, AISI, GB, DIN, EN, GOST9941, ASTM, AISI, GB, DIN, En, GOST9941
• Model NO.: TP321
• Certification: ISO, ISO, ISO9001
• Shape: Round, Round
• Technique: Cold Rolled, Cold Rolled
• Surface Treatment: Ap/Ba/Polishing/Sand Blasting/Shot Blasting, Ap/Ba/Polishing/Sand Blasting/Shot Blasting
• Application: Automotive Industry, Chemical Industry, Food Industry, Oil and Gas Industry, Pharmaceutical Industry
• Material: 321 Stainless Steel
• Wall Thickness: Schedule 40
• Test: Ht/Et/Ut
• Delivery Time: Stock 7 Days; Mto 30 Days
• Trade Terms: EXW, Fob, CFR, CIF etc.
• Markings: According to A999/A999m
• Transport Package: Packed in Bundles or Plywooden Box
• Specification: TP321
• Trademark: GH-STEEL
• Origin: China
• HS Code: 7304419000
• Production Capacity: 2000ton Per Month

Product Description

Product Description

The characteristics of 321 stainless steel seamless pipe mainly include wear resistance, high temperature resistance, creep resistance, excellent high temperature stress fracture performance, and high temperature creep resistance.

321 stainless steel is a Ni-Cr-Ti austenitic stainless steel with excellent wear resistance, high temperature resistance, and creep resistance, which makes it very suitable for manufacturing wear-resistant acid containers, lining of wear-resistant equipment, and conveying pipelines. In addition, 321 stainless steel exhibits excellent corrosion resistance in the atmosphere and is widely used in industries such as petrochemicals, power, bridges, and automobiles. Its excellent performance demonstrates significant superiority in the use of materials for high-pressure and high-strength mechanical structures.

The characteristics of 321 stainless steel seamless pipe make it a high-performance material that can maintain stable performance in harsh environments, ensuring long-term stable operation of equipment and systems. Whether used for high-pressure steam boiler pipelines or other applications that require high temperature and pressure resistance, 321 stainless steel seamless pipes can provide reliable support and protection.

Advantages:

• Strength and Durability: excellent strength and durability, suitable for demanding environments.
• Corrosion Resistance: good resistance to a wide range of corrosive substances.
• Seamless Construction: eliminate the risk of weak points associated with welded seams, improving reliability.
• Smooth Interior Surface: smooth interior surface, reducing friction and pressure drop in fluid flow.

Product Parameters

ASME SA 213 TP321 TP321H Stainless Steel Tube Chemical Composition

Grade	TP321	TP321H	EN 10216-5 1.4541
UNS Designation	S32100	S32109
Carbon (C) Max.	0.08	0.04-0.10	0.08
Manganese (Mn) Max.	2.00	2.00	2.00
Phosphorous (P) Max.	0.045	0.045	0.040
Sulphur (S) Max.	0.03	0.03	0.015
Silicon (Si) Max.	1.00	1.00	1.00
Chromium (Cr)	17.0-20.0	17.0-20.0	17.0-19.0
Nickel (Ni)	9.0-12.0	9.0-12.0	9.0-12.0
Molybdenum (Mo)	-	-
Nitrogen (N)	-	-
Iron (Fe)	Bal.	Bal.	Bal.
Other Elements	Ti=5(C+N) to 0.70%	Ti=4(C+N) to 0.70%	Ti=5(C+N) to 0.70%

ASTM A213 TP321 Stainless Steel Tubes Mechanical Properties

Alloy	UNS	Spec	Tensile Strength MPa	ksi	Yield Strength MPa	ksi	Elongation in 2 inches (min.) %	Grain Size  Req.	Harndess HBW max	Hardness HV max
321	S32100	ASME SA213	515	75	205	30	35	-	192	200
321H	S32109	ASME SA213	515	75	205	30	35	7 or coarser	192	200

TP321 TP321H Stainless Steel Physical Properties

Alloy	UNS	Spec	Density kg/dm³	Modulus of Elasticity (x106 psi)	Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6)	Thermal Conductivity (BTU-in/ft2-h-°F)
321	S32100	-	7.93	29.0	9.2	-
321H	S32109	-	7.93	29.0	9.2	-

Weight calculation coefficient: 0.02491

TP321 Stainless Steel Standard Specifications

Alloy	UNS Designation	Werkstoff NR.	Specifications*
321	S32100	EN 10216 - 5 1.4541	A269, A249 / SA249, A312 / ASME SA312, A213 / SA213
321H	S32109	EN 10216 - 5 1.4878	ASTM A269, A249 / SA249, A312 / SA312, A213/ ASME SA 213

 

Standard Specification:	EN 10216-5, DIN 17456, DIN 17458, DIN 2462, DIN 17455
	GB/T14975, T14976, T13296, GB5310
	ASTM A213, A269, A312, A511, A789, A790, A928, A999, A1016, ASTM B161, ASTM B163, ASTM B165, ASTM B167, ASTM B338, ASTM B407, ASTM B423, ASTM B444,ASTM B619, ASTM B622, ASTM B626, ASTM B668, ASTM B677, ASTM B829
	JIS G3459, JIS G3463, JIS G3446, JIS G3447, JIS G3448, JIS G3468
	GOST 9940, GOST 9941

 

Company Profile

Wenzhou Guohao Steel was established in 2008. We are ISO 9001:2015 approved manufacturer, having a state-of-the-art infrastructure facility for having smooth production process. It has successfully grown by focusing on serving customers across a range of high technology industries. One of our company strengths is its people, with many colleagues having been with the company from the beginning. This provides our customers with the benefit of a wealth of experience and industry knowledge. Guohao Steel now has the whole of manufactured stainless steel products to add to its already large range of High Performance Nickel Alloys.
Guohao Steel adhere to the high standards of integrity and compliance required, including:

1. Environmental standards
2. Health and safety standards
3. Ethical trading standards
4. Export compliance requirements

We now stock and have direct access to a wide range of other materials, including stainless steels and nickel alloys. We supply and process pipes for numerous key industry sectors, collaborating with both small businesses and large international manufacturers across various countries. Due to our reputation for quality, reliability, and industry approvals, we are a well-regarded supplier in diverse sectors. Our delivery of long-term tangible benefits enables our customers to compete in today's challenging global marketplace.
In order to achieve our goals, we are improving our facilities and expanding our machinery to offer broader processing capabilities. Additionally, our investment extends to the growth and development of our teams, which represent our most valuable resource. We aim for our customers to receive the best experience and trust in the expertise, knowledge, and experience of our teams. As we continue looking towards the future, we rely on our core values to guide both decisions and actions.

Packaging & Shipping

1. All of our stainless steel seamless pipe & tubes are packaged as per international standard to prevent any possible damage or loss. By default, we will use thick woven plastic bag to bundle the finished pipes together in batches.
2. For some special pipes & tubes that are vulnerable to dirt, scratches, stress or rough handling, we will suggest wooden case for protection. Kindly note, wooden case can incur extra cost, not only its own cost, but also the increased freight cost, which is especially true for air transportation.
3. For enhanced customer experience, we also provide dedicated package as per your special requirements.

Certifications

The inspection of our company and products is open to customers themselves or their designated third-party inspectors, such as SGS, BV, TUV, DNV, etc., who are well-known in the industry.

PRODUCT APPLICATION

Annealing covers, tempering equipment, firewalls, stack liners, exhaust systems, pressure vessels, superheaters, refinery equipment, bellows, expansion joints, aircraft equipment, bellows, furnace parts, chemical processing, pharmaceutical production, waste treatment.

Our Advantages

1. More than 16 Years of Experience in Stainless Steel Production.
2. Provides cost-effective products and professional services to you.
3. We offer an extensive range of stainless steel, super duplex steel,nickel alloy.

FAQ

1.Q: Do you provide customized product services?
A: Of course, we can design and produce the products you need based on your specifications and drawings. For example: special dimensions, special controls, OEM, etc.

2.Q: Are you a manufacturer or trader?
A: We are manufacturers. We have our own factory to produce and process various kinds of stainless steel /nickel alloy pipes.

3.Q: Can we get the some samples?Is there a charge?
A: Yes, we will provide you with the samples you want. The samples are free of charge, but the customer may have to pay the freight.

4.Q: Can we visit your factory?
A: Of course, we welcome you to visit our factory on-site or visit our production line through online videos to learn more about our strength and quality. Once we have your schedule, we will arrange a professional sales team to follow up with you.

5.Q: How do you ensure the quality of the product?
A: All products must undergo three inspections throughout the entire manufacturing process, including production, cutting, and packaging. The factory inspection report is provided with the goods. If necessary, third-party inspections such as SGS can be accepted.

6.Q: What is your delivery time?
A: Different products and procurement quantities have different delivery times. The product will be delivered as soon as possible on the basis of quality assurance. Usually, if the goods are in stock, it takes 3-10 days. Alternatively, if the goods are out of stock, it will take 25 to 45 days.

7.Q: Can you arrange shipment?
A: Of course, we have freight forwarders who have been cooperating for many years. We are VIP and can provide you with the most favorable prices and professional services.

8.Q: What if I don't have import experience?
A: We have rich export experience. As long as you have an import license, please leave the rest to us! We will help you choose the most suitable transportation service to safely and accurately deliver the product to the place where it is needed.