JIS G3454 Stpg 370 Seamless Carbon Steel Tube/Pipe for Conveying Gas/Water/Oil

• Customization: Available
• After-sales Service: Oversea After-Sales Service
• Warranty: Confirm with The Sellers
• Model NO.: JIS G3454 STPG 370
• Type: Welded
• Technique: Cold Rolled
• Material: Carbon Steel
• 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
• Section Shape: Round
• Products: Supplier Manufacturing Price Per Kg DIN 2448 ASTM
• Standard Specifications: ASTM A106 ASTM a 53 M ASTM a 106m
• Steel Grade1: L245b, L290 X42, L320 X46 , L360 X52
• Steel Grade2: Stpg 370, Stpg 410, Stpg370, Stpg410, Stpg480
• Main Process: Cold-Formed Seamless
• Wt: 1.25mm - 50mm Sch10,Sch40,Sch60,Xs,Sch80,Std,Xxs
• Od: 13.72-1000mm
• Length: 0.5m-20m
• Ends: Square Ends/Plain Ends
• Surface: Pickled, Bright Annealed, Polished
• Delivery: 7-35 Days
• Package: Packed by Bundles, Plastic Bags, Wooden Case,etc
• Usage 1: Pipeline Transport, Boiler Pipe, Hydraulic/Automob
• Usage 2: General Structure and Mechanical,Structure Purpose
• Usage 3: Electronics, Industrial, Food, Boiler, Chemical
• Transport Package: Seaworthy Package
• Specification: 0.8mm-25mm
• Trademark: EZ Steel
• Origin: China
• HS Code: 73043110
• Production Capacity: 500000/Year

Product Description

JIS G3454 STPG 370 Seamless Carbon Steel Tube For conveying gas/water/oil 

Product Description

 

 

ASTM / ASME

Product Name	Executive Standard	Dimension (mm)	Steel Code / Steel Grade
Black and Hot-Dipped Zinc-Coated Seamless Steel Pipes	ASTM A53	Ø10.3~1200 x WT1.0~150	Gr.A, Gr.B, Gr.C
Seamless Carbon Steel Pipes for High Temperature Service	ASTM A106	Ø10.3~1200 x WT1.0~150	Gr.B, Gr.C
Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes	ASTM A179	Ø10.3~426 x WT1.0~36	Low Carbon Steel
Seamless Carbon Steel Boiler Tubes for High Pressure	ASTM A192	Ø10.3~426 x WT1.0~36	Low Carbon Steel
Seamless Cold-Drawn Intermediate Alloy Steel Heat-Exchanger and Condenser Tubes	ASTM A199	Ø10.3~426 x 1.0~36	T5, T22
Seamless Medium-Carbon Steel Boiler and Superheater Tubes	ASTM A210	Ø10.3~426 x WT1.0~36	A1, C
Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat-Exchanger Tubes	ASTM A213	Ø10.3~426 x WT1.0~36	T5, T9, T11, T12, T22, T91
Seamless Carbon and Alloy Steel for Mechanical Tubing	ASTM A333	Ø1/4"~42" x WT SCH20~XXS	Gr.1, Gr.3, Gr.6
Seamless and Welded Carbon Steel Pipes and Alloy Steel Pipes for Low Temperature Use	ASTM A334	Ø1/4"~4" x WT SCH20~SCH80	Gr.1, Gr.6
Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes	ASTM A556	Ø10.3~426 x WT1.0~36	A2, B2

 

 

Our JIS G3454 STPG 370 seamless carbon steel tubes are designed for low to medium-pressure piping systems, offering excellent durability and reliability for gas, water, and oil transportation. Manufactured under strict Japanese Industrial Standards (JIS), these pipes ensure superior strength and leak-proof performance in industrial and municipal applications.

 Compliant with JIS G3454 - Certified for pressure piping
 Seamless (SMLS) Construction - No welds, ensuring maximum strength
 Corrosion-Resistant - Suitable for water, oil, and gas transmission
 Cost-Effective Solution - Long service life with minimal maintenance

 

Key Features & Benefits

 High Tensile Strength - STPG 370 grade ensures structural integrity under pressure
 Smooth Internal Surface - Minimizes friction loss in fluid transport
 Wide Temperature Range - Performs well in both low and moderate temperatures
 Easy to Weld & Fabricate - Compatible with standard welding techniques
 Multiple Applications - Used in plumbing, HVAC, industrial pipelines, and more

 

Technical Specifications

Property	Specification
Standard	JIS G3454
Grade	STPG 370
Material	Carbon Steel (C ≤ 0.30%, Mn ≤ 1.00%)
Tensile Strength	≥370 MPa
Yield Strength	≥215 MPa
Elongation	≥30%

 Size Range:

• OD: 15mm - 500mm

• Wall Thickness: 2.0mm - 20mm

• Length: 5m - 12m (custom lengths available)

 Surface Treatment: Black, Varnished, or Galvanized (optional)

 

Applications

 Oil & Gas Pipelines - Transport of crude oil, natural gas, and petroleum products
 Water Supply Systems - Municipal water distribution, plumbing
 HVAC & Industrial Piping - Steam, compressed air, and hydraulic lines
 Structural & Mechanical Use - Supports, frames, and machinery components

Detailed Photos

 

FAQ

Q:  How many days can you deliver after confirmed the order?
A:  For stock:  within 5-7 days;
      For customized product:  around 30 days;
      For special sizes:  subject to negotiation.

Q: How does your company do quality control?
A: ISO 9001:2015 certified;
     Product certificate as per EN10204 3.1 or 3.2 as per customer's request.
    
  
Q: Can I have a factory-visit?
A:  Surely. All customers are welcome to visit us in China.

Q: Can I have a trial order?
A: Of course, it is an honor for us to have the opportunity to show our quality and service. 
 

Company Profile

	Business Type:	Manufacturer/Factory
	Main Products:	Carbon Steel Pipe , Stainless Steel Pipe , Copper Nickel Tube , Heat Exchanger Tube , Boiler ...
	Registered Capital:	2000000 RMB
	Plant Area:	>2000 square meters
	Management System Certification:	ISO 9001, ISO 14001, OHSAS/ OHSMS 18001, ANSI/ESD
	Average Lead Time:	Peak Season Lead Time: 1-3 months Off Season Lead Time: within 15 workdays

SGS Serial NO. :

QIP-ASI199413Report Verification

EZ STEEL INDUSTRIAL Co., Ltd, together with LONG-RUN METALS Co., Ltd, is the export division and window company of EZ STEEL GROUP, which was founded in 1996 and has been committed to the development and manufacturing of industrial tubes in the past 20 years. It is one of the largest steel tube manufacturing enterprise groups in China. The group possess fixed assets over 200million and more than 800 employees with annual production capacity over 300 thousand tons.

The company has continuously introduced the world advanced manufacturing equipment and now is able to produce welded and seamless steel tube, copper tube and nickle alloy tube. We also have our own coating facilities and workshops for further processing. After years of development, EZ STEEL GROUP and the affiliated enterprises have obtained many kinds of domestic and international certifications including ISO 9001 Quality Management System Certification, ISO14000 Environment Management System Certification, CE, License for Manufacture of Pressure Piping in China, etc. The company has obtained good domestic achievements and is the nominated supplier of CNPC and CNOOC. The product are exported to Southeast Asia, the Middle East and Africa, Europe, Australia, North and Latin Americas via trade companies, and are widely used in pipeline works, foundation works, steel structure works, boiler and condenser fabrication, oil refinery plant, power plant, sugar-making plant, ship-building and offshore construction projects etc.

Holding the concept of First-class Brand, First-class Service, First-class Value, EZ STEEL GROUP is aiming to build up a win-win enterprise platform for both our customers and employees.

CONTACT US
Contact: Rosy Xu
EZ STEEL INDUSTRIAL CO., LTD
Add: No.199,  Xiangfu Road, Yuhua Industrial Zone, Changsha City , P.R China 

Pls. do not hesitate to contact me if you have any questions!

You are warm welcomed to visit our factory!!!

Thank you for visiting our products & Looking forward to hearing from you!