ASTM A335 P12 alloy steel seamless steel pipes

ASTM A335 P12 alloy steel seamless steel pipes

Model No.︰6"

Brand Name︰stone

Country of Origin︰China

Unit Price︰-

Minimum Order︰60 M

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Product Description

ASTM A335 – Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

Grade: P12

Chemical Requirements  max  %

Elements Composition
Carbon 0.05 – 0.15
Manganese 0.30–0.61
Phosphorus 0.025
Sulfur 0.025
Silicon 0.50
Chromium 0.80 – 1.25
Molybdenum 0.44 – 0.65

 

Tensile Requirements

Tensile strength, min ksi[Mpa] 60[415]
Yield strength, min: ksi[Mpa] 32[220]

 

Elongation Requirements

  Longitudinal  Transverse
Elongation in 2 in. or 50 mm, (or 4D), min, %: Basic minimum elongation for wall 5.16 in. [8 mm] and over in thickness, strip tests,and for all small  sizes tested in full section 30 20
When standard round 2-in. or 50 mm gage length or proportionally smaller size specimen with the gage length equal to 4DB 4 times the diameter) is used 22 14
For strip tests a deduction for each 1.32in. [0.8 mm] decrease in wall thickness below in. [8 mm] from the basic minimum elongation of the following percentage points shall be made 1.50 A 1.00 A

A Table below gives the calculated minimum values.

Wall Thickness Longitudinal Transverse
in. mm
5 ⁄ 16 (0.312) 8 30 20
9 ⁄ 32 (0.281) 7.2 28 19
1 ⁄ 4 (0.250) 6.4 27 18
7 ⁄ 32 (0.219) 5.6 26
3 ⁄ 16 (0.188) 4.8 24
5 ⁄ 32 (0.156) 4 22
1 ⁄ 8 (0.125) 3.2 21
3 ⁄ 32 (0.094) 2.4 20
1 ⁄ 16 (0.062) 1.6 18

Payment Terms︰ TT