Type:Seamless Alloy Pipe, Seamless Alloy Tube, Seamless Alloy Steel Pipe, Seamless Alloy Steel Tube
Application:In Petroleum, Aerospace, Chemical, Power, Boilers, Military Industry
Specification: Outside Diameter:10mm ~ 720mm
Wall Thickness: 1mm-120mm
Length: Single Random, Double Random, 6-12meters
Standard & Grade: ASTM A333; A335, Grade P5/P9/P11/P22/P91;
DIN 17175, Grade St35.8/ St45.8/15Mo3;
EN10216-2 , Grade P195GH/P235GH/P265GH/16Mo3/13CrMo4-5/10CrMo9-10;
ASTM A519 SAE4130/SAE4140; ASTM/ASME A/SA210; DIN2391 ST52;
JIS G3461; JIS G3462; JIS G3458
End:Plain End, Beveled End, Thread End
Packing: Bundled with Hemp Rope/In Bulk
Email:sales@sqsteelpipe.com
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Alloy steel is a series of alloy which its main content is steel. To add different metal elements with different ratios in steel can change the mechanical properties of alloy steel.
American Society for Testing and Materials(ASTM), American Society of Mechanical Engineers (ASME)

DIN/EN- European Standards for Steel
Germany Safety(GS), Deutsches Institut für Normung(DIN)

JIS
Japanese Industrial Standards (JIS) specifies the standards used for industrial activities in Japan.

DIN 2391-1 cold Drawn or cold rolled steel tube is used in hydraulic & pneumatic cylinder, mechanical and Automotive engineering.
DIN 2391 standard specifies the Seamless steel tubes used forMechanical and Automobile.
Description Name:
DIN 2391 Seamless cold drawn tubes DIN 2391 NBK Seamless Precision Steel Tubes
DIN 2391 Seamless precision steel tubes DIN 2391 ST35 Seamless precision steel tubes
ST35 Precision tubes DIN 2391 ST45 Seamless precision steel tubes
ST45 Precision tubes DIN 2391 ST52 Seamless precision steel tubes
ST52 Precision tubes ST 52 Honed tubes
Seamless precision tubes ST52 cylinder tubes
ASTM A335 Chrome-Moly Seamless Pipe
Unscheduled heavy wall pipe thicknesses available up to 4 inches.

Mechanical Properties

(Note: This is summarized information from ASME Specification A335. Please refer to the specific Standard or Specification or contact us for more details.)
| Product Name | Alloy Steel Pipe |
|---|---|
| Standards | ASTM, API, EN, DIN, JIS, GB or project-specific requirements, depending on product type and purchase order. |
| Materials / Grades | Carbon steel, stainless steel, alloy steel or other specified grades according to the selected product and customer requirements. |
| Size Range | Outside diameter, wall thickness and length are supplied according to the product specification, standard and order requirement. |
| Surface / Ends / Package | Oiled or unoiled surface, plain or beveled ends, bundled or bulk packing, subject to order requirements. |
Alloy Steel Pipe can be used in oil and gas, petrochemical, power plant, boiler, construction, machinery, shipbuilding and general industrial pipeline projects, depending on the selected standard, grade and working condition.
Available inspection items include dimensional inspection, visual inspection, chemical composition analysis, mechanical testing, hydrostatic testing, ultrasonic testing, eddy current testing and other non-destructive tests when required by the standard or purchase order.
What information should I provide for a quotation?
Please send the product name, standard, grade, outside diameter, wall thickness, length, quantity, surface requirement, end type, packing requirement and destination port.
Can this product be supplied according to international standards?
Yes. Products can be supplied according to ASTM, API, EN, DIN, JIS, GB or other agreed project specifications.
Can inspection documents be provided?
Inspection documents and test reports can be provided according to the product standard and purchase order requirements.
