erw steel tube

The corresponding international standards include: ASTM A269, A312, A213, A511. JIS G3463, G3459, DIN17456 DIN17458 etc.

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

DIN 2391 St37.4 NBK Steel Tube
1.OD Tolerance up to +/-0.03mm
2.ID roughness<0.8micron
3.no crack after flaring, can be bend

Manufacturing Process:cold drawn, Pickled, Annealed or Sand Blasting
Material Grade:TP304/304L,TP316/316L,TP310S/310H, 2205, 2520 ETC

The best corrosion resistance of 316 stainless steel for offshore vessels, oil exploration equipment, facilities and

The inner angle and outer angle of square tubes are both sharp 90°;
Our raw materials are all from the largest steel factories in China and are of

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

Cold Drawn Steel Tube 6mm Outside Diameter
1. BK,BKS,NBK
2. High precision on OD&ID steel tube
3. Ra<0.8micron

Standard :ASTM A270\ DIN11850\ ISO2037
ASTM A 270 Specification for Welded Austenitic and Ferritic/Austenitic Stainless Steel Sanitary Tube.

Cold - rolled stainless steel pipe surface bright and white, processing methods : seamless and welded

Stainless steel pipe is the first choice for people now.
Fertilizer industry, chemical and petrochemical industry, power generation and environmenta

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

1. high precision(+/-0.05mm ),
2. good surface(Ra<1.0um)
3. No crack after flaring and flattening
St35/St52 Steel Tube

Standard :ASTM A270\ DIN11850\ ISO2037
ASTM A 270 Specification for Welded Austenitic and Ferritic/Austenitic Stainless Steel Sanitary Tube.

Soft ferrite grain size on the annealing effect of yield strength of steel, you can see that has a linear relationship between grain diameter d and y

A213/A213M seamless Austenitic Boiler,Superheater,and Heat-Exchanger Tubes304/304L,310S,316/316L,316Ti,317,321,321H,321L,TP347,TP347H,400,600,800H,825

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

1. high precision(+/-0.05mm )
2. good surface(Ra<1.0um)
3. No crack after flaring and flattening
E355 NBK Seamless Steel Tube

Applications can be used in chemical processing, transport, and storage for a variety of industries due to both its excellent corrosion resistance.

Bulk bags in the stainless steel has been used as a freight container, for the loading of liquefied natural gas ( LNG ), chemicals, beverages, etc.

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

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

bright black
good property of antirust at least it can be up to 1year no rust
DIN2391-2
metric steel tube St37.4 phosphated

Tubes are then cut to length,cold-drawn,solution annealed,straightened, pickled,passivated and polished before other destructive and non-destructive

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

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

DIN2391/EN10305
Seamless precision steel tubes for Auto use; for machinery use
Carbon Steel Precision Tube Phosphated

304L welded pipe has low carbon content so it has good flexibility and corrosion resistance because carbide precipitation lead to corrosion of welding

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

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