Precision Sheet Metal Parts Stainless Steel Distribution Cabinet Server Chassis

Standard

Steel Grade

C(%)

Si(%)

Mn(%)

S(%)

P(%)

A519

1010

0.05-0.15

0.15-0.35

0.3-0.6

≤0.050

≤0.040

1020

0.15-0.25

0.15-0.35

0.3-0.6

≤0.050

≤0.040

1045

0.43-0.50

0.15-0.35

0.6-0.9

≤0.050

≤0.040

4130

0.28-0.33

0.15-0.35

0.4-0.6

≤0.040

≤0.040

4135

0.32-0.39

0.15-0.35

0.6-0.9

≤0.040

≤0.040

4140

0.38-0.42

0.15-0.35

0.7-1.0

≤0.040

≤0.040

End Shape

Beveled end, plain end, vanished, or adding plastic caps to protect the two ends as per customer's

requirements

Surface

Treatment

Oiled, Galvanized, Phosphate etc

Technique

Cold drawn & cold rolled

Application

1. Automotive and mechanical pipes

2. Petroleum cracking pipes

3. High Pressure Boiler Pipe

4. Low and middle pressure fluid transportation pipeline

5. Chemical fertilizer equipment pipes

6. Heat exchanger pipes

Delivery

Conditions

1. BK (+C)

No heat treatment after last cold forming process.

2. BKW (+LC)

After last heat treatment there is a light finishing pass (cold drawing)

3. BKS (+SR)

After the final cold forming process the tubes are stress relieve annealed.

4. GBK (+A)

After the final cold forming process the tubes are annealed in a controlled atmosphere.

5. NBK (+N)

After the final cold forming process the tubes are annealed above the upper transformation

point in a controlled atmosphere.

Package

1. Bundle Packing.

2. Plain end or vanished as per customer's request.

3. Wrapped in waterproof paper.

4. Sackcloth with several steel strips.

5. Pack in heavy tri-wall boxes.

Fuel injection Pipe, Oil flow pipeline