ASTM A178 เชื่อมและดึงท่อหม้อไอน้ำ

Item

Cold Rolled / Cold Drawn alloy steel seamless pipe

Standard

JISG3467-88, JISG3458-88, GB3087, GB6479-2000, GB9948-2006, GB5310-95, GB9948-88, ASME SA210, ASME SA213, ASTM SA335, ASTM A335/A335m, ASTMA213/A213m, DIN 17175, AISI A519

Model No

12Cr1MoV, P2(10CrMo910), T91, P91, P9, T9, Cr5Mo, 15CrMo, P11, P12, 13CrMo44, 25CrMo, 30CrMo, 40CrMo, 12CrMo, X12CrMo91, 12Cr2Mo, 4130/4140

Description

Surface

black painted, PE coated, galvanized

Length

6m, 5.8m, 11.8m, 12m, or as required

Wall Thickness

1-120mm

Outer Diameter

6-1200mm

Trade terms

Payment terms

T/T,L/C

Price terms

FOB,CIF

Package

Standard export seaworthy package or as required.

Delivery time

Prompt delivery or as the order quantity.

Export to

Alloy steel pipe applies to petroleum,chemical industry, electric power, boiler, high temperature resistant, low temperature resistant,corrosion resistant seamless steel pipe used.Alloy steel pipealso can made according to the customer.

Container size

20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM

40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM

40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM

Contact

If you have any question,please feel free to contact me.

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.

Grade

ASTM A335 P5

ASTM A335 P9

ASTM A335 P11

ASTM A335 P22

ASTM A335 P91

Element

UNS Designation

K41545

S50400

K11597

K21590

K91560

Carbon

0.15 max

0.15 max

0.05 – 0.15

0.05 – 0.15

0.08 – 0.12

V at 0.18 – 0.25

Manganese

0.30 – 0.60

0.30 – 0.60

0.30 – 0.60

0.30 – 0.60

0.30 – 0.60

N at 0.030 – 0.070

Phosphorous, max

0.025

0.025

0.025

0.025

0.020

Ni at 0.40 max

Sulfur, max

0.025

0.025

0.025

0.025

0.010

Al at 0.02 max

Silicon

0.50 max

0.25 – 1.00

0.50 – 1.00

0.50 max

0.20 -0.50

Cb at 0.06 – 0.10

Chromium

4.00 – 6.00

8.00 – 10.00

1.00 – 1.50

1.90 – 2.60

8.00 – 9.50

Ti at 0.01 max

Molybdenum

0.45 -0.65

0.90 – 1.10

0.44 – 0.65

0.87 – 1.13

0.85 – 1.05

Zr at 0.01 max

Mechanical properties

P1,P2

P12

P23

P91

P92,P11

P122

Tensile strength

380

415

510

585

620

620

Yield strength

205

220

400

415

440

400

Tensile Strength,

min., psi

P-5

P-9

P-11

P-22

P-91

P91 shall not have a hardness

not exceeding 250 HB/265 HV [25HRC].

ksi

60

60

60

60

85

MPa

415

415

415

415

585

Yield Strength, min., psi

ksi

30

30

30

30

60

MPa

205

205

205

205

415