SA 789 TP304/304L, Tp321/321H, Tp316L, Tp316/316L, Tp316h, Boiler& Heat Exchanger Tubes

• Type: Seamless
• Technique: Cold Rolled&Cold Drawn
• Material: Carbon Steel&Aolly Steel&Stainless Steel
• Surface Treatment: Black&Varnish Coating
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration
• Section Shape: Round
• Model NO.: ASME SA789
• Wt: 1.0-30mm
• Length: 2-20meters
• Loading Port: Tianjin/Shanghai/Qingdao
• Carbon Steel Production: 80000tons/Year
• Alloy Steel Production: 30000tons/Year
• Casing&Tubing: 100000tons/Year
• Transport Package: Galvanized Steel Strip&Wooden Case in Bundle,
• Specification: OD15MM-700MM
• Trademark: OEM/TJTC
• Origin: Hebei/Anhui/Jiangsu/Zhejiang
• HS Code: 730419
• Production Capacity: 80000&15000&30000&100000tons

Product Description

We are confident to be your reliable partner! 
 

1.  Passed I S O9001-2015 audit,  safe to sale across your clients;

2. Strictly follow the API 5CT , API 5L , API 5D , API Spec 7-1 , ASME&ASTM standard
3. Provide customized  service with timely response

The following figures and pictures are for your reference:
 

1.Product Description

Product Name	ASTM A789 Boiler&Heat Exchanger Tubes
Size	OD	10.29mm-609.60mm
	Thickness	1.24mm-59.54mm
Steel Material	ASTM A789
Steel Grade	TP304/304L,TP321/321H,TP316L,TP316/316L,TP316H
Process	Hot rolled/hot expansion/cold drawn/cold rolled
Usage	High temperature service
Surface	Bared Black Painting, Galvanized,Coating
Proctor	Plastic cap
Package	Bundles, Bulk
Inspection	With Hydraulic Testing, Ultrasonic testing or X-ray Test
Certificate	ISO9001;2000
Date of Delivery	Less Than 15/20/25/30/40/50/60 Days According To The Quantity
Payment:	L/C or T/T

A.Chemical composition(%) for Steel Grades 

 

Chemical Composition	304/304L(A312)	316/316L(A312)	321 (A312)	304 (A312)	316L (A312)	347 (A312)	S32205 (A790)	S31803 (A790)	TP310S (A312)
C	≤0.035	≤0.035	≤0.08	≤0.08	≤0.035	≤0.08	≤0.03	≤0.03	≤0.08
S	≤0.030	≤0.030	≤0.03	≤0.03	≤0.03	≤0.03	≤0.02	≤0.02	≤0.03
P	≤0.045	≤0.045	≤0.045	≤0.045	≤0.045	≤0.045	≤0.03	≤0.03	≤0.045
Mn	≤2.0	≤2.0	≤2.0	≤2.0	≤2.0	≤2.0	≤2.0	≤2.0	≤2.0
Si	≤1.0	≤1.0	≤1.0	≤1.0	≤1.0	≤1.0	≤1.0	≤1.0	≤1.0
Cr	18.0-20.0	16.0-18.0	17.0-19.0	18.0-20.0	16-18	17.0-19.0	22.0-23.0	21.0-23.0	24.0-26.0
Ni	8.0-11.0	11.0-14.0	9.0-12.0	8.0-13.0	10.0-14.0	9.0-13.0	4.5-6.5	4.5-6.5	19.0-22.0
Mo	/	2.0-3.0	/	/	/	/	3.0-3.5	2.5-3.5	≤0.75
Ti	/	/	5(C+N)-0.7	/	/	/	/	/	/
N	/	/	0.1	/	/	/	0.14-0.20	0.08-0.20	/
Nb	/	/	/	/	/	10C-1.0	/	/	/

2.Product Showcase


3.Product Process

4.Production Facility
 
5. Inspection Equipment



6. Packing and Transportation


                         Please don't hesitate to contact us with more details!