The ASME SA-213/ ASTM A213 Grade T11 seamless tubes, with the nominal composition of 1.25Cr-0.5Mo-Si, are widely used for the construction of boilers, superheaters, and heat exchangers. The tubing are usually furnished in sizes 1/8″ [3.2 mm] in inside diameter to 5″ [127 mm] in outside diameter and 0.015″ to 0.500″ [0.4 mm to 12.7 mm], inclusive, in minimum wall thickness or, if specified in the order, average wall thickness.

Tianjin Bao Steel Pipe CO.,LTD is a professional and experienced steel pipe supplier and exporter, the largest distributor of TPCO, Baosteel Group and Angang Group, exporting more than 150,000 tons of steel pipes and fittings to more than 150 countries every year. We have a large stock of ASTM A213 T11 seamless tubes, which can be shipped promptly after you place an order. We also have perfect pipe deep processing capabilities, such as pipe 3PE coating, aluminizing, thermal expansion, U-shape processing, threading, slotting, finning, etc. If you need, welcome to inquire.

Specification

Technical data

Chemical Composition Requirements

Element	Composition, %
C	0.05–0.15
Mn	0.30–0.60
P	≤0.025
S	≤0.025
Si	0.50-1.00
Cr	1.00–1.50
Mo	0.44–0.65

Mechanical Properties

Tensile Strength min. MPa [ksi]	415 [60]
Yield Strength min. MPa [ksi]	205 [30]
Elongation in 2", min. %	30
Hardness Max. HBW	163
Hardness Max. HRB	85

Heat Treatment Procedures for ASTM A213 pipe

a. For grades T9, T11, T22, heat treatment methods are full or isothermal anneal, normalize and temper. (For conditions in later option, tempering temperature for T9 and T22 is above 675℃, T11 is above 650℃.)

b. For grades T91, T92, shall be normalize and temper, where normalizing shall be above 1040℃, tempering shall be above 730℃. As the delivery conditions.

FAQ

1.Q: Are you a factory or trading company?
A: We are professional manufacturer, and our company also is a very professional a trade company for steel products.We can provide a wide range of steel products.

2.Q:What do your factory do regarding quality control?
A: We have obtained ISO, CE and other certifications. From materials to products, we check every process to maintain good quality.

3.Q: Can I get samples before order ?
A: Yes, of course. Usually our samples are free. we can produce by your samples or technical drawings.

4.Q:How do you make our business long-term and good relationship?
A:We keep good quality and competitive price to ensure our customers benefit ; We respect every customer as our friend and we sincerely do business and make friends with them.No matter where they come from.

5.Q:what is your delivery time ?
A: Our delivery time is about one week, timing according to the number of customers.

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Aluminum Pipe Application

Feb 07, 2023

Aluminum tubes are widely used in all walks of life, such as: automobiles, ships, aerospace, aviation, electrical appliances, agriculture, electromechanics, home furnishings, etc. Aluminum tubes have been ubiquitous in our lives.