Main Products: Carbon Steel Tube
ST37.4 Galvanized Steel Pipe
Negotiable /Set
Min.Order:1 Set
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Zhangjiagang Sheng Ding Yuan Pipe-Making Co.,Ltd
Business Type: Trading CompanyMain Products: Carbon Steel Tube
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Galvanized Precision Carbon Steel Tubing , Cold Drawn Seamless Pipe DIN1630 ST52.4
Volkswagen Galvanized Steel Pipe ASTM B633-07 With OD 4mm - 60mm TH 0.5mm - 7m
Product Details
ST37.4 Galvanized Steel Pipe , 32mm 35mm 40mm OD Oil Delivery Bao Steel Pipe
Quick Detail:
ST37.4 galvanized tubing DIN2391 GBK OD15XTH2
No deformation after cold bending,no crack after flaring and flattening.
The tube has good property of antirust.
Description:
Synopsis of Process Routing: DIN highly accurate cold drawn bright seamless steel tube is used as the tube to be galvanized, the outer wall is electroplated, caps are covered at two ends of tube to prevent from the dust.
Main Features: Different color of zinc such as white, yellow, army-green, black is evenly distributed in the surface of the tube, good brightness and antirust and antisepsis could improve after zinc coated.
Applications:
Automotive,military,railway industry,with high requirement of the tube’s brightness, cleanness,antirust,and antisepsis.
Specifications:
Size:OD4mm-60mm,TH0.5mm-7mm
Standard:DIN1630
Material: ST37.4,ST44.4,ST52.4
Delivery State:NBK/GBK+Zinc coated tube.
| Galvanized tube category and related standard | |||
| Galvanized tube category | Related Standard | Zinc coating thickness | Salt spray test |
| Gr3+ Galvanized tube with blue and white zinc |
ASTM B633-07 (Type III,SC 1/2/3/4) |
5-25um | 24--72 hours without white rust;48--168 hours without red rust |
| Gr3+ Galvanized tube with color zinc |
ASTM B633-07 (Type II,SC 1/2/3/4) |
5-25um | 48--96 hours without white rust;48--240 hours without red rust |
| Gr6+ Galvanized tube with color zinc |
ASTM B633-98 (Type II,SC 1/2/3/4) |
5-25um | 24--96 hours without white rust;48--124 hours without red rust |
|
Chemical composition(cast analysis)a |
||||||
|
Steel grade |
% by mass |
|||||
|
Steel name |
Steel number |
C |
Si |
Mn |
P |
S |
|
max. |
max. |
max. |
max. |
|||
|
ST35 |
1.0305 |
0.17 |
0.35 |
≥0.40 |
0.025 |
0.025 |
|
ST45 |
1.0408 |
0.21 |
0.35 |
≥0.40 |
0.025 |
0.025 |
|
ST52 |
1.0580 |
0.22 |
0.55 |
≤1.60 |
0.025 |
0.025 |
|
Mechanical properties at room temperature |
||||||||
|
Steel grade |
Minimum values for the delivery condition |
|||||||
|
Steel name |
Steel number |
BK |
BKW |
BKS |
GBK |
NBK |
||
|
Rm |
A |
Rm |
A |
Rm |
ReH |
A |
Rm |
A |
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