A333 GR.9 Seamless Carbon Steel Pipe

gnee sells more than 1,500 tons of seamless and welded steel pipes to various engineering industries every year. Our goal is to ensure that our customers have the highest expectations in terms of delivery and product quality of A333 GR.9 Alloy Steel Tubes.
What are the advantages of A333 GR.9 alloy round tube?

Excellent low temperature toughness. A333 GR.9 steel pipe will not become brittle even when working at low temperatures, overcoming the problems of pipe cracks and fractures. Excellent corrosion resistance A333 GR.9 seamless steel pipe has good corrosion resistance against various corrosive media such as acids, alkalis, and salts.

All A333 GR.9 seamless pipe shall be treated to control its microstructure. Certain product sizes may not meet this specification because heavier wall thickness can adversely affect low temperature impact performance. The tensile strength of A333 GR.9 low-temperature round pipe is ≥435Mpa, the yield point is ≥450MPa, and it has excellent structural resistance. It is widely used in cryogenic systems, cryogenic pressure vessels and piping systems.

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Seamless and Welded Steel Pipe size for Low-Temperature Service:

– Outer Dimensions: 19.05mm – 114.3mm

– Wall Thickness: 2.0mm – 14 mm

– Length: max 16000mm

Application: Seamless and Welded Steel Pipe for Low-Temperature Service.

Steel Grade: ASTM A333 Grade 9

Heat Treatment Status:

The heat treatment status of ASTM A333 Gr. 9, A333 Grade 9 low-temperature alloy seamless steel tube is normalized and tempered.

Impact Temperature:

The impact temperature of ASTM A333 Gr. 9, A333 Grade 9 low-temperature alloy seamless steel tube is -45°C.

Packing:

Bare packing/bundle packing/crate packing/wooden protection at the both sides of tubes and suitably protected for sea-worthily delivery or as requested.

Inspection and Test: Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test,No-destructive Test, Hydrostatic Test.

Surface Treatment: Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.
Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.

Chemical composition of ASTM A333 grade 9 tempered steel pipe (%)

Steel Grade

Chemical Composition(%)

C

Mn

P

S

Cu

Ni

Grade 9

≤0.20

0.40-1.06

≤0.025

≤0.025

0.75-1.25

1.60-2.24

ASTM A333 grade 9 alloy carbon steel pipe tensile requirements

	Grade 9
	Ksi	Mpa
Tensile strength, min	63	435
Yield strength, min	46	315
	Longitudinal	Transverse
Elongation in 2 in. or 50 mm, (or 4D), min, %:
Basic minimum elongation for walls 5⁄16 in.[8 mm]and over in thickness,strip tests, and for all small sizes tested in full section	28	….
For strip tests, a deduction for each 1⁄32 in.[0.8 mm] decrease in wall thickness below 5⁄16 in.[8 mm] from the basic minimum elongation of the following percentage	1.50B	….

 A333 GR.9 Seamless carbon steel pipe

Gnee Company products

 

FAQ

1.Will you deliver the goods on time?
Yes,we promise to provide best quality products and delivery in time no matter if the price change lot or not, Honesty is our company's tenet.
2.How can I get your quotation as soon as possible?
The email and fax will be checked in 24 hours, meanwhile hours Please tell us the order information about quantity,Specification(steel type, material, size )and destination port, you will get the latest price.
3.How about the sample if i need?
The sample will be offered for free if you need, but the freight will be covered by our customer. If we have cooperation, the freight will be covered by our company.
4.How about the MOQ?
Generally, the trail order will be accepted.The MOQ can be confirmed according to the different products.
5.How about the delivery time?
Within 15-30days after receiving the deposit or L/C at sight. Of course, the detail will be confirmed by the quantity and the different products.
6.How to order?
Please send us your purchase order by email. Or you can ask us to send you a proforma invoice for your order.

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