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Mild Steel Seamless Pipes
Mild Steel & Structural · Dossier

A106 B Mild Steel Seamless Pipes

ASTM A106 Gr B · ASTM A53 Gr B · API 5L Gr B · DIN St 45.8

Mild Steel Seamless Pipes in ready stock at our Madurai godowns, hot finished seamless, ½″ to 12″ NB · Sch 40 / 80 / 160. Band-saw cut to your sizes with mill test certificates on request.

Tensile415 MPa min
Yield240 MPa min
Rangetube
Limited

I. Sizes & weights

Nominal weights at 7.85 g/cm³ · ½″ to 12″ NB · Sch 40 / 80 / 160
NB · OD × WT mmkg / metrekg / 6 m
½″ · 21.3 × 2.61.207.19
¾″ · 26.9 × 2.61.569.35
1″ · 33.7 × 3.22.4114.4
1½″ · 48.3 × 3.23.5621.4
2″ · 60.3 × 3.65.0330.2
3″ · 88.9 × 48.3850.3
4″ · 114.3 × 4.512.273.1
6″ · 168.3 × 5.421.7130.2
8″ · 219.1 × 6.333.1198.4

II. Chemical composition (% by weight)

ElementCMnSiSP
Min–0.290.10––
Max0.301.06–0.0350.035

Typical standard ranges. Every mill lot ships with its own test certificate on request.

III. Mechanical properties

Tensile
415 MPa min
Yield
240 MPa min
Elongation
22% min
Test
Hydro tested

IV. Supply condition

Condition
Hot finished seamless
Machinability
Good
Forms
tube
Cutting
Band saw ±1 mm
SKU
SST-MSS-12

V. Weigh it, then request it.

Locked to A106 B
Shape
Material

A106 B · 7.85 g/cm³

Wall given as
OD 60.3WT 3.9
130.2 kg32.5 kg each · 5.42 kg / m

W = π × (OD − WT) × WT × L × ρ ÷ 1,000,000 (with an inside diameter, WT = (OD − ID) ÷ 2) · ρ = 7.85 g/cm³ · rounded to 0.1 kg. Theoretical weight; actual mill weight can vary by ±2–3%.

Applications

Boiler, hydraulic and process lines

Questions

About A106 B

Can you cut A106 B to my sizes?

Yes. A106 B is band-saw cut to ±1 mm. Send piece sizes and quantities with your request; cutting is quoted with the material.

Is a mill test certificate provided with A106 B?

An MTC is supplied with mill material on request, traceable to the heat number.

What sizes are in stock?

½″ to 12″ NB · Sch 40 / 80 / 160. For large tonnage, message us to reserve material.

What are the equivalents of A106 B?

ASTM A106 Gr B, ASTM A53 Gr B, API 5L Gr B, DIN St 45.8. Equivalents are close matches; confirm against your drawing's specification.

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