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Black Seamless And Welded Rolled Steel Pipe

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Black Seamless And Welded Rolled Steel Pipe

Brand Name : Torich

Model Number : ASTM A268

Place of Origin : zhejiang, China

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Delivery Time : 30-45days

Packaging Details : In hexagonal bundles or wooden box

Model No : ASTM A268

Technique : Cold Drawn

Surface Treatment : Oiled

Section Shape : Round

Alloy or not : Is alloy

Material : Stainless Steel

Key Word : DOM Tuebs Pipes

Type : Welded

Grade : TP405,TP410,TP409,TP410S,TP430,etc.

End : Plain

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Black Seamless And Welded Rolled Steel Pipe

Product Description

Standard ASTM A268
Material TP405, TP410, TP430, TP446-1, TP446-2, 26-3-3, other material is also available
O.D. 3.2 - 200 mm
W.T. 0.5 - 30 mm
Length Max 12000 mm

Chemical Composition

Grade
UNS
C
Mn
P
S
Ni
Cr
Mo
N
TP410
S41000
0.15 max
1.00 max
0.040 max
0.030 max
---
11.5-13.5
---
---
S42035
0.08 max
1.00 max
0.045 max
0.030 max
1.0-2.5
13.5-15.5
---
0.30-0.50
TP430
S43000
0.12 max
1.00 max
0.040 max
0.030 max
---
16.0-18.0
---
---
TP446-1
S44600
0.025 max
1.50 max
0.040 max
0.030 max
≤0.75
23-27
---
0.025 max
TP446-2
S44600
0.012 max
1.50 max
0.040 max
0.030 max
≤0.50
23-27
---
0.025 max
26-3-3
S44660
0.030 max
1.50 max
0.040 max
0.030 max
1.0-3.5
25-28
---
0.040 max

Tensile and hardness requirements

Grade
UNS
Tensile Strength, min ksi MPa
Yeild Strength, min ksi MPa
Elongation in 2 in or 50mm, min %
Rockwell Hardness B Scale
TP410
S41000
60 (415)
30 (205)
20
95
S42035
80 (550)
55 (380)
16
88
TP430
S43000
60 (415)
35 (240)
20
90
TP446-1
S44600
70 (485)
40 (275)
18
95
TP446-2
S44600
65 (450)
40 (275)
20
95
26-3-3
S44660
85 (585)
65 (450)
20
25

Characteristic:

Good concentricity

Good surface quality

Good OD and ID tolerance

High Precision

Stable quality

Smooth

Product Pictures

Black Seamless And Welded Rolled Steel Pipe

Black Seamless And Welded Rolled Steel Pipe

Company Introduction

Black Seamless And Welded Rolled Steel Pipe

QUALITY CONTROL

1. Incoming Raw Material Inspection

2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking

100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects










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