• Standard: ASTM
• Standard: ASTM A*******7
• Grade: *0#**5#, Mn-V alloy, *0Cr9Mo1VNb, API J**-API P**0, STPA**-STPA*6, CrNi alloy
• Grade: *0#, *5MnV, *0Cr9Mo1VNb, API P**0, STPA*5, Cr*7Ni8
• Thickness: 1.*4 - *7.9 mm
• Section Shape: Round
• Outer Diameter: *0.3 - ***9 mm
• Place of Origin: Sichuan, China (Mainland)
• Secondary Or Not: Non-secondary
• Application: Structure Pipe
• Technique: ERW
• Certification: API
• Surface Treatment: Other
• Special Pipe: API Pipe
• Alloy Or Not: Is Alloy
• Product: ASTM A**9 Seamless Steel Pipe
• Brand Name: DB***8
• Type: Seamless
• Material: Carbon and alloy
• Using: For engineering and machinery
• Superior product: DIN***1/DIN****5/EN****5
• Provide Samples Or Not: Provide
• Inspection Or Not: As required to inspection
• Other: Small Order Accepted

ASTM A**9 Seamless Steel Pipe

1. This specification covers several grades of carbon and alloy steel seamless mechanical tubing. The grades are listed in Tables **3. When welding is used for joining the weldable mechanical tube grades, the welding procedure shall be suitable for the grade, the condition of the components, and the intended service.

2.This specification covers both seamless hot-finished mechanical tubing and seamless cold-finished mechanical tubing in sizes up to and including *2 3/4 in. (**3.8 mm) outside diameter for round tubes with wall thicknesses as required.

3.The tubes shall be furnished in the following shapes, as specified by the purchaser: round, square, rectangular, and special sections.

4.Supplementary requirements of anoptional nature are provided and when desired shall be so stated in the order.

5.The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

The production process

Quality Control.

Our quality control department consists of experienced technicians. These personnel strictly control the whole production procedure, from introduction of raw materials to finish products. They ensure high quality products for our customers.

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Website:www.derbosteel.com