Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
{"title":"Premium Seamless Carbon Steel Pipe High Strength For Heavy Duty Industrial Use","imgUrl":"https:\/\/img.chinax.com\/nimg\/dd\/49\/b98635f298201a5408b1c1b358d3-200x200-1\/premium_seamless_carbon_steel_pipe_high_strength_for_heavy_duty_industrial_use.jpg","attrs":{"Certification":"ISO CE","Wall Thickness":"2.11 \u2013 59.5 mm (SCH10 \u2013 XXS)","Price":"443USD\/TON-737USD\/TON","Name":"Seamless Carbon Steel Pipe"}}
{"title":"Black Seamless Carbon Steel Pipes And Tubes ASTM A106 Gr B Steel Pipe For High","imgUrl":"https:\/\/img.chinax.com\/nimg\/7b\/2e\/b694d09fb157fb1b7abc15f9715e-200x200-1\/black_seamless_carbon_steel_pipes_and_tubes_astm_a106_gr_b_steel_pipe_for_high_pressure_2f_temperature_conditions.jpg","attrs":{"Payment Terms":"T\/T","Chemical Composition":"C \u22640.30%, Mn 0.29\u20131.06%, P \u22640.035%, S \u22640.035%, Si \u22650.10%","Surface Finish":"Black \/ Bare \/ Oiled \/ Varnished","Outer Diameter Range":"10.3\u2013610 mm"}}
{"title":"ASTM A106 SA106 Seamless Carbon Steel Pipe High Temperature Boiler Tube","imgUrl":"https:\/\/img.chinax.com\/nimg\/f6\/ed\/c66659be09de3fcd2ab8e0fb0ec2-200x200-1\/astm_a106_sa106_seamless_carbon_steel_pipe_high_temperature_boiler_tube.jpg","attrs":{"Payment Terms":"L\/C,T\/T","Grade":"A53-A369,10#-45#,ST35-ST52,Q195-Q345,16Mn","End protector":"Plastic Pipe Cap","Skin Pass":"Yes"}}
{"title":"ASTM A335 SA335 Seamless Steel Pipe High Temperature Alloy Seamless Steel Tube","imgUrl":"https:\/\/img.chinax.com\/nimg\/26\/27\/ff80d45bba81b093dd2550828883-200x200-1\/astm_a335_sa335_seamless_steel_pipe_high_temperature_alloy_seamless_steel_tube_for_power_plant_boiler.jpg","attrs":{"Model Number":"ASTM A106 Gr. B\/20#","Technique":"Hot Rolled,Cold Drawn","Material":"Carbon Steel","Minimum Order Quantity":"1 ton"}}
{"title":"API 5L Seamless Line Pipe X42 X52 X60 X65 X70 Carbon Steel Seamless Pipeline","imgUrl":"https:\/\/img.chinax.com\/nimg\/c4\/07\/1ea62b84eafa80c7297824048417-200x200-1\/api_5l_seamless_line_pipe_x42_x52_x60_x65_x70_carbon_steel_seamless_pipeline_tube_for_oil_gas_transmission.jpg","attrs":{"Model Number":"ASTM A106 Gr. B\/20#","Technique":"Hot Rolled,Cold Drawn","Material":"Carbon Steel","Minimum Order Quantity":"1 ton"}}
{"title":"ASTM A106 Gr.B SA106 Seamless Steel Tube High Temperature Seamless Carbon Steel","imgUrl":"https:\/\/img.chinax.com\/nimg\/fc\/62\/2290a8b1569e8928f43c3db060f0-200x200-1\/astm_a106_gr_b_sa106_seamless_steel_tube_high_temperature_seamless_carbon_steel_pipe.jpg","attrs":{"Model Number":"ASTM A106 Gr. B\/20#","Alloy or not":"Non-alloy","Spangle Type":"Zero Spangle","Minimum Order Quantity":"1 ton"}}
Seamless Steel Pipe / ASTM A106 A53 API 5L / Carbon & Alloy Steel Seamless Tube / For Oil & Gas — Product Description
Product Overview
Seamless steel pipes are tubular steel products manufactured without a welded seam, produced by hot rolling or cold drawing from a solid billet. They are widely used in oil & gas, petrochemical, boiler, power plant, and high-pressure fluid transportation applications. With uniform wall thickness, excellent pressure-bearing capacity, and good corrosion resistance, seamless steel pipes are the preferred choice for demanding environments.
Available in carbon steel, alloy steel, and stainless steel, our seamless pipes meet the requirements of ASTM A106, ASTM A53, API 5L, GB/T 8163, and GB/T 3087 standards.
Key Specifications
Parameter
Range
Outside Diameter
6mm – 1200mm
Wall Thickness
1mm – 60mm
Length
5.8m / 6m / 9m / 12m, or customized
Surface
Black, pickled, oiled, galvanized, or painted
Ends
Plain, beveled, threaded, or grooved
Standard
ASTM A106, ASTM A53, API 5L, GB/T 8163, GB/T 3087
Grade & Standard Equivalents
Grade
Standard
Yield Strength (MPa)
Tensile Strength (MPa)
Typical Application
A106 Gr.B
ASTM A106
≥240
≥415
High temperature, boiler, pressure piping
A53 Gr.B
ASTM A53
≥240
≥415
General piping, fluid transportation
API 5L Gr.B
API 5L
≥245
≥415
Oil & gas pipeline
API 5L X42
API 5L
≥290
≥415
Line pipe, oil & gas transmission
API 5L X52
API 5L
≥360
≥460
Line pipe, high-strength transmission
20#
GB/T 8163
≥245
≥410
Boiler, heat exchanger, fluid piping
Q345B
GB/T 1591
≥345
470–630
Structural, heavy-duty applications
45#
GB/T 699
≥355
≥600
Mechanical machining, hydraulic cylinders
Key Features
No Welded Seam — Uniform wall thickness and reliable pressure-bearing capacity
High Pressure Resistance — Suitable for high-pressure and high-temperature applications
Excellent Corrosion Resistance — Available in carbon steel, alloy steel, and stainless steel
Good Machinability — Easy to cut, thread, bend, and weld
Versatile Surface Treatment — Black, pickled, oiled, galvanized, or painted
Cost-Effective — Economical choice for large-scale piping projects
Typical Applications
Oil & Gas: Line pipe, drill pipe, casing, tubing
Petrochemical: Process piping, heat exchangers, pressure vessels
Boiler & Power Plant: Superheater tubes, reheater tubes, boiler tubes
Fluid Transportation: Water, gas, oil, and steam pipelines
Full Standard Coverage — ASTM A106, A53, API 5L, GB/T 8163, GB/T 3087 and more
Wide Size Range — OD from 6mm to 1200mm, custom sizes available
Multiple Materials — Carbon steel, alloy steel, and stainless steel
Flexible Surface Treatment — Black, pickled, galvanized, or painted as per customer needs
Stable Quality — Consistent chemical composition and mechanical properties
Fast Delivery — Large inventory and efficient logistics for prompt shipment
Order Information
MOQ: 5–25 tons (negotiable)
Payment Terms: T/T, L/C at sight
Delivery Time: 7–20 days after deposit
Packaging: Standard export seaworthy packing — bundled with steel strips, or as customer requirements
Port of Loading: Tianjin / Qingdao / Shanghai (or as required)
For inquiries, please specify: grade, outside diameter, wall thickness, length, quantity, surface requirement, and destination port.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Agent,Exporter,Trading Company
Year Established:
2009
Total Annual:
200000000-230000000
Employee Number:
150~170
Ecer Certification:
Verified Supplier
Shandong Shouya Steel Co., Ltd.
Welcome to Shandong Shouya Steel Co., Ltd., a professional steel foreign trade and steel solution provider based in Shandong, China. Founded in 2009, we leverage Shandong’s steel industrial cluster advantages and boast more than ten years of experience in...
Shandong Shouya Steel Co., Ltd.
Welcome to Shandong Shouya Steel Co., Ltd., a professional steel foreign trade and steel solution provider based in Shandong, China. Founded in 2009, we leverage Shandong’s steel industrial cluster advantages and boast more than ten years of experience in...