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A335 Seamless Steel Pipe

ASTM A335 steel pipe may be hot finished or cold drawn and subjected to the following finishing heat treatment. The specification covers "chrome-molybdenum" seamless pipes with excellent corrosion resistance and high temperature tensile strength.

Phone ：+8618340003366

WhatsApp ：+8618340003366

Email ：info@sdzyesteel.com

PRODUCT PARAMETERS

Carbon Steel: Properties, Production, Examples and Applications

Carbon steel is an iron-carbon alloy, which contains up to 2.1 wt.% carbon. For carbon steels, there is no minimum specified content of other alloying elements, however, they often contain manganese. The maximum manganese, silicon and copper content should be less than 1.65 wt.%, 0.6 wt.% and 0.6 wt.%, respectively.

Types of carbon steel and their properties

Carbon steel can be classified into three categories according to its carbon content: low-carbon steel (or mild-carbon steel), medium-carbon steel and high-carbon steel . Their carbon content, microstructure and properties compare as follows:

Carbon content (wt.%)	Microstructure	Properties	Examples
Low-carbon steel	< 0.25	Ferrite, pearlite	Low hardness and cost. High ductility, toughness, machinability and weldability
Medium-carbon steel	0.25 – 0.60	Martensite	Low hardenability, medium strength, ductility and toughness
High-carbon steel	0.60 – 1.25	Pearlite	High hardness, strength, low ductility

Carbon Steel Description

Grade:

1)GB: Q195, Q215, Q235A, Q235B, Q235C, Q235D, Q255A, 255B, Q275, Q295A, Q295B, Q345B, Q345C, Q345D, Q345E, Q390A, Q390B, Q390C,Q390D, Q390E, Q420, Q420B, Q420C, Q420D, Q420E, Q460D, Q460E, Q500D, Q500E, Q550D, Q550E, Q620D, Q620E, Q690D, Q690E

2)EN: S185,S235JR, S275JR, S355JR, S420NL, S460NL S500Q, S550Q, S620Q, S690Q

3)ASTM: Grade B, Grade C, Grade D, A36, Grade 36, Grade 40, Grade42, Grade 50, Grade 55, Grade 60, Grade 65, Grade 80

4)JIS: SS330, SPHC, SS400, SPFC, SPHD, SPHE

PRODUCT DETAILS

A335 Seamless Steel Pipe Description

ASTM A335 Pipe is a seamless ferritic alloy-steel Pipe for high temperature service. Pipe of this specification are suitable for bending, flanging, and similar forming operations, and for fusion welding. Generally, ASTM A335 P11, P22, and P91 pipelines are used for power generation and downstream oil and gas, and P5 and P9 grades are used for refinery applications. A335 steel pipe not only has high oxidation resistance and high temperature steam corrosion resistance,but also has good impact toughness,stable durable plasticity and thermal strength. A335 steel pipes are commonly used to transport high-temperature and high-pressure oil, natural gas and other media.

Product Parameters
Product Name	A335 Seamless Steel Pipe
Standard	EN/DIN/JIS/ASTM/BS/ASME/AISI etc.
Outer Diameter	Seamless: 1/4"-36"	Welding: 21.3mm-3620mm
	Round Tube: 1/2"-10"	Square Tube/Rectangular Tube: 15x15mm-400x600mm
Wall Thickness	Seamless: 1.25mm-50mm	Welding: 1.65mm-65mm
Length	3-12 meters, Support customization
Surface Process	Bright, Polished, Black
Other Services	Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.

Chemical Composition
A335	UNS	C≤	Mn	P≤	S≤	Si≤	Cr	Mo
P1	K11522	0.10~0.20	0.30~0.80	0.025	0.025	0.10~0.50	-	0.44~0.65
P2	K11547	0.10~0.20	0.30~0.61	0.025	0.025	0.10~0.30	0.50~0.81	0.44~0.65
P5	K41545	0.15	0.30~0.60	0.025	0.025	0.5	4.00~6.00	0.44~0.65
P5b	K51545	0.15	0.30~0.60	0.025	0.025	1.00~2.00	4.00~6.00	0.44~0.65
P5c	K41245	0.12	0.30~0.60	0.025	0.025	0.5	4.00~6.00	0.44~0.65
P9	S50400	0.15	0.30~0.60	0.025	0.025	0.50~1.00	8.00~10.00	0.44~0.65
P11	K11597	0.05~0.15	0.30~0.61	0.025	0.025	0.50~1.00	1.00~1.50	0.44~0.65
P12	K11562	0.05~0.15	0.30~0.60	0.025	0.025	0.5	0.80~1.25	0.44~0.65
P15	K11578	0.05~0.15	0.30~0.60	0.025	0.025	1.15~1.65	-	0.44~0.65
P21	K31545	0.05~0.15	0.30~0.60	0.025	0.025	0.5	2.65~3.35	0.80~1.60
P22	K21590	0.05~0.15	0.30~0.60	0.025	0.025	0.5	1.90~2.60	0.87~1.13
P91	K91560	0.08~0.12	0.30~0.60	0.02	0.01	0.20~0.50	8.00~9.50	0.85~1.05
P92	K92460	0.07~0.13	0.30~0.60	0.02	0.01	0.5	8.50~9.50	0.30~0.60

Tensile Strength Ksi	Elongation %
55	30
55	30
70	30
60	30
60	20
60	30
60	30
85	20

PRODUCT DISPLAY

We adopt high standard production processes, select high-quality steel raw materials, and provide diverse product specifications and models. All steel products have passed strict quality testing, with smooth and even surfaces, precise dimensions, excellent compressive strength, corrosion resistance, and processability. Support customized thickness, length, and special process requirements to meet different usage standards in different scenarios. Clear display of high-definition detailed images and technical parameter tables of the physical object, ensuring transparent and visible quality.

PRODUCT APPLICATION

This product is widely used in the fields of building structures, mechanical manufacturing, automotive parts, energy equipment, and home hardware, and is suitable for scenarios such as load-bearing frames, precision parts, and industrial pipelines. With excellent physical performance and stability, it can easily meet the demands of high strength, high wear resistance, and extreme environments. Support collaboration with engineering teams to provide material selection suggestions and assist clients in efficiently implementing their projects.

PRODUCT PACKAGING

Adopting a professional industrial packaging solution that is moisture-proof and scratch resistant, each batch of steel is tied and fixed with customized wooden frames/steel strips, combined with anti rust coatings and cushioning pads to ensure zero damage during transportation. Clear product model, batch number, and storage identification on the outer packaging, supporting customized enterprise logos and information labels. Environmentally friendly and recyclable packaging materials practice green concepts, reducing transportation and disassembly costs.

FACTORY DISPLAY

FAQ

Q: Are You Manufacture or Trade Company?
A: We are the professional manufacturer of steel products located in China. Welcome to contact us and visit our factory before you place orders.

Q: How do you guarantee the quality?
A: We can send free samples to you, we can accept third-party testing.
We also have test certificate, every batch goods will be testing before shipment, and the testing report will delivery to you with your goods.

Q: Can I get free samples?
A: Of course you can. We can produce according to your samples or technical drawings. Contact us by whatsapp or email to get free samples and you will get the sample after 3-7 working days.

Q: What is the MOQ?
A: If you are scheduling to place a small quantity order or trial order, feel free to contact us, we can meet your requirements.

Q: Can you OEM or ODM?
A: Yes, we have a strong developing team. The products can be made according to your request

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