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China Factory ASTM Grade for Oil & Boiler Services Hot-Selling Quality Alloy Steel Seamless Pipes

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China Factory ASTM Grade for Oil & Boiler Services Hot-Selling Quality Alloy Steel Seamless Pipes thumbnail-5
China Factory ASTM Grade for Oil & Boiler Services Hot-Selling Quality Alloy Steel Seamless Pipes photo-1
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China Factory ASTM Grade for Oil & Boiler Services Hot-Selling Quality Alloy Steel Seamless Pipes photo-4
China Factory ASTM Grade for Oil & Boiler Services Hot-Selling Quality Alloy Steel Seamless Pipes photo-5

Product Spotlights

1.Seamless steel pipe versatility for high-pressure systems, oil & gas, and automotive.
2.Seamless steel pipe for boilers, heat exchangers, and hydraulics.
3.High-strength seamless steel pipe in carbon.
US$ 545 10 - 27 Metric Tons
US$ 525 ≥28 Metric Tons
Key Specifications
Get Latest Price
Type:
Seamless
Warranty:
10 years
Technique:
Hot Rolled
Contact Supplier Request Quote Chat Now
Shandong Zhengde Metal Manufacturing Co., Ltd.
Gold Verified Supplier
1Yr
Verified Business License
Payment & Shipping
Payment Methods:
Port of Shipment:
Any port
Delivery Detail:
7 days

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  • Product Details

  • Company Profile
  • Contact Us
Type Seamless
Warranty 10 years
Technique Hot Rolled
Surface Treatment Polished
Usage Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Material Carbon Steel
After-sales Service Technical Support
Section Shape Round
Diameter 8-1000MM
Thickness 2-100MM
Steel Grade ASTM A53 Gr.B A106 Gr.B S235JR S355J2H A
Transport Package Export waterproof packaging
Specification ZD-SSP022
Trademark ZHENGDE
Origin CHINA

Seamless-steel-pipe_01

Seamless steel pipe is manufactured by hot rolling or cold drawing without any weld seam, ensuring uniform wall thickness and high pressure resistance. Common foreign grades include ASTM A106 (high‑temperature service), ASTM A333 (low‑temperature service), DIN 17175, and JIS G3454. To check material properties, search for high‑pressure rating to obtain pressure class standards.

The “seamless” structure maintains excellent mechanical strength under high temperature and high pressure. During production, carbon or alloy steel billets are pierced, elongated, and sized to achieve a high‑quality surface. You can look up seamless finish to understand how different surface finishes affect installation and maintenance – this is especially critical for oil & gas transmission and boiler tubes.

Many seamless pipes require normalising, annealing, or quenching + tempering to relieve internal stresses and improve toughness. For example, ASTM A106 Grade B requires normalising after hot rolling. When selecting materials, refer to technical data on heat treatment to ensure the pipe meets high‑ or low‑temperature service conditions. For corrosive environments, an additional corrosion allowance should be specified.

Carbon seamless steel pipe is a kind of strip steel. Steel pipe with hollow cross-section, a large number of pipes used to transport fluid, such as the transportation of oil, natural gas, gas, water and some solid materials such as pipes. Steel and round steel and other solid steel compared to the same bending strength in the same bending, lighter weight, is an economic section of steel, is widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipe, Bicycle frames and steel construction scaffolding. The use of carbon seamless steel pipe manufacturing ring parts can improve material utilization, simplify the manufacturing process, save materials and processing time, such as rolling bearing rings, jackets, etc., has been widely used to manufacture steel pipe. 
Seamless steel pipe is manufactured from solid, round steel billets that are pierced through the center with a mandrel. The billet is rolled and stretched through a hollow billet until it reaches a customer's specification. Because of its uniform shape and ability to withstand pressure and heat, seamless steel pipe is an ideal material for many industries.
ZhengDe Metal provides a variety of seamless pipe to meet your application needs, offering a large selection of sizes and lengths. 

6*1*1.5*2*2.5 121*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38
8*1*1.5*2*2.5 127*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38
10*1*1.5*2*2.5*3 133*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40
12*1*1.5*2*2.5*3 140*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42
14*1*1.5*2.5*3*3.5 146*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42
16*1*1.5*2*2.5*3*3.5*4*4.5*5 152*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50
18*1*1.5*2*2.5*3*3.5*4*4.5*5 159*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50
20*1*1.5*2*2.5*3*3.5*4*4.5*5*6 168*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50
22*1*1.5*2*2.5*3*3.5*4*4.5*5*6 180*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50
25*2*2.5*3*3.5*4*4.5*5*6 194*6*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50*55
28*2*2.5*3*3.5*4*4.5*5*6*8 203*7*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50*55*60
30*2*2.5*3*3.5*4*4.5*5*6*8 219*6*7*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50*55*60*65*70
32*2*2.5*3*3.5*4*4.5*5*6*8 232*7*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50*55*60*65*70
34*2*2.5*3*3.5*4*4.5*5*6*8 245*7*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50*55*60*65*70
38*2*2.5*3*3.5*4*4.5*5*6*8*10*12 273*6.5*7*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50*55*60*65*70*75*80
40*3*3.5*4*4.5*5*6*8*10*12 299*7*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*50*55*60*65*70*75*80*100
42*3*3.5*4*4.5*5*6*8*10*12 325*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*48*50*55*60*65*70*75*80*100
45*3*3.5*4*4.5*5*6*8*10*12*14 351*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*48*50*55*60*65*70*75*80*100
48*3*3.5*4*4.5*5*6*8*10*12*14 377*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*48*50*55*60*65*70*75*80*100
50*3*3.5*4*4.5*5*6*8*10*12*14*15*16 402*7*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*48*50*55*60*65*70*100*110
51*3.5*4*4.5*5*6*8*10*12*14*15*16 406*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*48*50*55*70*75*80*90*100*110
54*3.5*4*4.5*5*6*8*10*12*14*16 426*8*10*12*20*22*25*28*30*32*35*38*40*42*45*48*50*55*60*65*70*75*80*120*130
57*3.5*4*4.5*5*6*8*10*12*14*16 450*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*48*50*55*75*80*90*100*110*120
60*3.5*4*4.5*5*6*8*10*12*14*16*18*20 457*8*10*12*14*20*22*25*28*30*32*35*38*40*42*45*48*50*55*60*65*70*75*130*140*150
63.5*3.5*4*4.5*5*6*8*10*12*14*16*18*20 480*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*50*55*60*100*110*120*130*140*150
65*3.5*4*4.5*5*6*8*10*12*14*16*18*20 500*8*10*12*14*16*18*20*22*25*28*30*32*35*38*40*42*45*55*60*65*70*75*80*90*100*110
68*3.5*4*4.5*5*6*8*10*12*14*16*18*20 508*8*10*12*14*16*18*20*22*25*28*30*32*35*45*48*50*55*90*100*110*120*130*140*150
70*3.5*4*4.5*5*6*8*10*12*14*16*18*20*22 530*8*10*12*14*16*18*20*22*25*28*30*32*35*38*48*50*55*90*100*110*120*130*140*150
73*3.5*4*4.5*5*6*8*10*12*14*16*18*20*22 560*8*10*12*14*16*1828*30*32*35*38*40*42*45*48*80*90*100*110*120*130*140*150
76*3.5*4*4.5*5*6*8*10*12*14*16*18*20*22*25 580*10*12*14*16*18*25*28*30*32*35*38*40*42*45**60*65*70*75*80*90*100*110*120*130
80*4*4.5*5*6*8*10*12*14*16*18*20*22*25 600*10*12*14*16*22*25*28*30*32*50*55*60*65*70*75*80*90*100*110*120*130*140*150
83*4*4.5*5*6*8*10*12*14*16*18*20*22*25 610*10*14*16*18*22*25*28*30*32*35*50*55*60*65*70*75*80*90*100*110*120*130*140*150
89*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28 630*10*12*14*16*22*25*28*30*48*50*55*60*65*70*75*80*90*100*110*120*130*140*150
95*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30 700*10*12*14*16*22*40*42*45*48*50*55*60*65*70*75*80*90*100*110*120*130*140*150
102*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32 710*10*12*14*16*18*40*42*45*48*50*55*60*65*70*75*80*90*100*110*120*130*140*150
108*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32 720*10*12*14*16*18*20*22*25*28*30*50*55*60*65*70*75*80*90*100*110*120*130*140*150
114*4*4.5*5*6*8*10*12*14*16*18*20*22*25*28*30*32 760*10*12*20*22*25*28*30*50*55*60*65*70*75*80*90*100*110*120*130*140*150*200

Seamless-steel-pipe_02Seamless-steel-pipe_03Seamless-steel-pipe_04Seamless-steel-pipe_06Seamless-steel-pipe_07

Tinned-coil_11Tinned-coil_12Tinned-coil_13

Product Tags: Seamless steel pipe , Carbon Seamless Pipe , ASTM A106 A53 Seamless Pipe

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Shandong Zhengde Metal Manufacturing Co., Ltd.
Gold Verified Supplier
1Yr
Verified Business License
Business Type
Manufacturer
Year Established
2013
Factory Size
10,000-30,000 square meters
Annual Export Value
US$5 Million - US$10 Million
Contact Supplier Request Quote Chat Now

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