welded steel tube

ASTM A312
Grades:304/L and 316/L
Sizes:1/4" Thru 36"
Schedules:10s, 20, 40s, 80s
Surface treatment: Pickling, annealing, polishing.

Packaging Details:
1, Big OD: in bulk for steel pipe
2, Small OD: packed by steel strips
3, Plastic bags for steel tube
4, According to custome

High accuracy(+/-0.05mm)
Excellent surface condition(Ra<=1.0um)
ASTM A519 seamless carbon 1010
NBK seamless steel tube

High accuracy(+/-0.05mm)
Excellent surface condition(Ra<=1.0um)
ASTM A519 seamless carbon 1010
NBK seamless steel tube

High accuracy(+/-0.05mm)
Excellent surface condition(Ra<=1.0um)
ASTM A519 seamless carbon 1010
NBK seamless steel tube

1.strong corrosion
2.Specialized manufacturer
3.Ensure you quality,timely delivery

Available mechanically polished to 20 μ-in Ra (0.5 μm) maximum ID and 30 μ-in Ra (0.8 μm) maximum OD surface roughness, exceeding ASTM A270-S2

Production standard: ASTM/ASME A213
Length:20FT/6meters fixed length, max: 24meters.

1.carbon steel fin tube with crimped carbon steel fin
2.long service
3.good heat conduction
4.high efficiency
5.easy operate

seamless steel precision pipes are widely in Hydraulic system & Pneumatic cylinder system and engineering machinery etc..

Stainless steel seamless pipe/tube
stainless steel welded coil tube
stainless steel Bright annealed tube
stainless steel precise coiling pi

Grade304/304/304H,321/321H,316/316L/316H/316Ti,317L/317LMN,347/347H,310/310S,904L,Duplex UNS31803/S32205/S32750,etc....

Quality Control:
ISO 9001 - 2008 issued by Lloyd's
PED 97/23/EC
ASME Boiler and Pressure Vessel Code Certificated Certificate Issued by TUV

Destructive Testing includes:
Tensile Test
Impact Test
Bend Test
Reverse Bend Test...

From advanced manufacturing processes, including special cold drawing, not just precision for sizes, but also enhance material substrutes density

Hot dipped galvanized steel tube
1.OD:10-273mm,WT:0.5-15mm
2.Competitive price,prompt shipment.

rectangular steel tube with high quality and competitive price.

1. Min Order : 20 tons
2.Size :250*250-500*500mm
3. Thickness: 7mm -- 20mm
4.Certification: ISO & API

Stainless Steel Pipes 304L is a lower carbon variant of Grade 304-the steel can be welded without the resulting issue of carbon precipitation

Standard: ASTM A554 JIS G3446
Material/Steel Grade: MT304, MT304L, MT316L as per mill's STD SUS304
Application: Mechanical and Structural Tubes

Outside diameter Tolerance (O.D mm)
5≤O.D<30mm ±0.12mm
10≤O.D<20mm ±0.15mm
20≤O.D<30mm ±0.20mm
O.D≥30mm ±0.8%...

We can provide complete specifications. What's more, we can manufacture stainless steel thin-wall welded pipes according to custom needs.

Welded stainless steel pipe production, the main industry is the nominal pipe diameter of more than DN700 in the production pipeline.

Professional sales team with more than 10 year's experience in steel industrial
One-stop service for steel industry, especially for project

This relationship between yield strength and grain size known as Huo Erpei Qi rule, due to the deformation of grain motion of dislocations at grain b

Stainless Steel Welded Tubes for Boiler,heat exchanger and condenser
ASTM A249 / GB151
OD:9.5-219.08MM; WT:0.5-5.0MM

Seamless Stainless Steel Pipe and Tube
1. Material:304/304L, 309S, 310S, 316/316L, 316Ti, 317/317L, 321, 347/347H, 904L; Duplex S31803, S32205, S32

All the production process is made under the ISO9001:2000strictly. API certificate

The machine is manufacturing stainless steel pipe/tube under mass productions with TIG welding technology.

Salient Features
Maintenance free
Low life cycle cost
High aesthetic value
Easy & fast installation...