st37 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.

1.O.D:114MM-610MM
2.W.T:4MM-40MM
3.LENGTH:5M-12M
4.SURFACE:BLACK VARNISH OR ZINC COATING
5.STANDARD&MATERIAL:ASTM A106/A53 GR.B,API 5L GR.B

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

1.O.D:20MM-219MM
2.W.T:0.5MM-11.75MM
3.LENGTH:5.8M,6M
4.SURFACE:ZINC COATING
5.STANDARD&MATERIAL:BS1387,Q195,Q235,Q345

Welded stainless steel round tube is utilized for many conveyance and structural applications where resistance to corrosion is an important attribute.

1.O.D:114MM-610MM
2.W.T:4MM-40MM
3.LENGTH:5M-12M
4.SURFACE:BLACK VARNISH OR ZINC COATING
5.STANDARD&MATERIAL:ASTM A106/A53 GR.B,API 5L GR.B

Specification: Single slit(8mm-630mm), wall-thickness(0.5mm-25mm), girth(630mm-3000mm), wall-thickness(3mm-45mm)
Surface finishing: Annealed/Pickling

1.O.D:114MM-610MM
2.W.T:4MM-40MM
3.LENGTH:5M-12M
4.SURFACE:BLACK VARNISH OR ZINC COATING
5.STANDARD&MATERIAL:ASTM A106/A53 GR.B,API 5L GR.B

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

1.O.D:114MM-610MM
2.W.T:4MM-40MM
3.LENGTH:5M-12M
4.SURFACE:BLACK VARNISH OR ZINC COATING
5.STANDARD&MATERIAL:ASTM A106/A53 GR.B,API 5L GR.B

Maximum roughness measurement of 32 Ra O.D. and 20 Ra I.D.
sanitary tubing undergoes a wide variety mechanical and non-destructive testing ASTM A270

1.O.D:114MM-914MM
2.W.T:4MM-60MM
3.LENGTH:5M-12M
4.SURFACE:BLACK VARNISH OR ZINC COATING
5.STANDARD&MATERIAL:ASTM A106/A53 GR.B,API 5L

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

1.O.D:114MM-610MM
2.W.T:4MM-40MM
3.LENGTH:5M-12M
4.SURFACE:BLACK VARNISH OR ZINC COATING
5.STANDARD&MATERIAL:ASTM A106/A53 GR.B,API 5L GR.B

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

1.O.D:13.7MM-101.6MM
2.W.T:2MM-11MM
3.LENGTH:5M-12M
4.SURFACE:BLACK VARNISH OR ZINC COATING
5.STANDARD&MATERIAL:ASTM A106/A53 GR.B,API 5L GR.B

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

1.O.D:20MM-219MM
2.W.T:0.5MM-11.75MM
3.LENGTH:5.8M,6M
4.SURFACE:ZINC COATING
5.STANDARD&MATERIAL:BS1387,Q195,Q235,Q345

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

1.O.D:20MM-219MM
2.W.T:0.5MM-11.75MM
3.LENGTH:5.8M,6M
4.SURFACE:ZINC COATING
5.STANDARD&MATERIAL:BS1387,Q195,Q235,Q345

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

1.O.D:114MM-610MM
2.W.T:4MM-40MM
3.LENGTH:5M-12M
4.SURFACE:BLACK VARNISH OR ZINC COATING
5.STANDARD&MATERIAL:ASTM A106/A53 GR.B,API 5L GR.B

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%...

1.O.D:114MM-914MM
2.W.T:4MM-60MM
3.LENGTH:5M-12M
4.SURFACE:BLACK VARNISH OR ZINC COATING
5.STANDARD&MATERIAL:ASTM A106/A53 GR.B,API 5L

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

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

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

Pressure Test:
100% tested at the appropriate pressure stated under water.
All coils must be flushed and dried after pressure testing