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Tianjin Wanlei Steel Pipe Co.,Ltd
TEL: 86-22-65815991
FAX: 86-22-25343802
CELL: 86-18526839451, 86-18526839452
EMAIL: admin@wanleipipe.com
WEBSITE: www.seamlesscarbonsteelpipe.com
ADD: Room 403, Unit 1, Building 31, Polar Square, Central Business District, Binhai New Area, Tianjin, China (Mainland)
Contact Information
JIS G3475 Seamless Steel Pipe
JIS G3475 Seamless steel pipe is a type of steel pipe that is usually used for building structure and general structural purpose. Which has high strength and excellent mechanical properties. JIS G3475 seamless steel pipes are available in multiple dimensions. Non-regular dimensions and length can be customized. Welcome to your purchase.
Description
Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of jis g3475 seamless steel pipe in China, featured by quality products and low price. If you're going to wholesale durable jis g3475 seamless steel pipe made in China, welcome to get pricelist and free sample from our factory.
Product Introduction

JIS G3475 seamless steel pipe is specially designed for building structure. This type of steel pipe have large outside diameter, the dimension range from 114.3mm to 914.4mm(4" to 36"), and the maximum outside diameter can reach 1016mm( 40" ). JIS G3475 standard specified three steel grades: STKN400W, STKN400B, and STKN490B. These steel grades are suitable for different applications according to their mechanical properties.
Specifications
| Product name | Seamless Steel Pipe for Building Structure |
| Place of origin | China |
| Standard | JIS G3475 |
| Material grade | STKN400B, STKN490B |
| Outside diameter | 114.3mm to 1016mm |
| Wall thickness | 5mm to 40mm |
| Length | 3m to 12m, 6m fixed, 12m fixed, or other customized length |
| Surface treatment | Black painting, Varnish painting |
| Pipe ends | Plain end, Bevel end (pipe above 2 inch) |
Mechanical Properties
| Steel grade | Tensile strength(MPa) | Yield strength(MPa) | Elongation,min(%) |
| STKN400B | 400 to 540 | 235,min | 23 |
| STKN490B | 490 to 640 | 325,min | 23 |
Product Show
Large diameter seamless steel pipe is one of our featured products. We can supply seamless steel pipes with maximum outside diameter 1016mm.

Inspection
We have professional quality test team to control quality.
Size: 711.2 * 12.7 mm
Length: 6m fixed
Surface: Black painting

Our Advantages
01
High Quality
Our steel pipes come from top manufacturers and suppliers in China. "Quality first" is our business philosophy.
02
Fast Delivery
After placing an order, we are able to rapidly pick up steel pipes from other factories. The delivery is very fast.
03
Quality Control
We will conduct strict meaurements for steel pipe's each parameter before delivery, such as outside diameter, wall thickness, and legnth, etc. We guarantee that our steel pipes can meet clients' requirements.
04
Processing Service
We can provide professional processing service, such as cutting, welding, and surface treatment, etc.
FAQ
Q: Could you accept the small order?
A: Of course, small order and trial order can be accepted.
Q: What services can you provide?
A: We can customize as your need. our designers can make design for you and our technicians make prototype.
Q: Do you have after-sale service?
A: Yes, Good after-sale service, handling the customer complaint and solve problem for customers.
Q: Could you accept the small order?
A: Small order and trial order can be accepted.
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