Butt Weld 45 90 180 Degree Pipe Lr Sr Elbow Alloy Steel Pipe Fittings Seamless Elbow A234 WP92

• Introduction

Alloy pipes and fittings have excellent corrosion resistance and high strength, and are widely used in industries such as petroleum, chemical, power, and shipbuilding etc. The characteristics of alloy steel elbows mainly include the following aspects:

• Firstly, alloy steel pipe fittings have good pressure resistance and can withstand working conditions in high-pressure environments, ensuring the safe operation of the pipeline system.
• Secondly, alloy steel pipe fittings have excellent corrosion resistance, which can resist the erosion of acidic and alkaline media, prolong service life, and reduce maintenance costs.

In addition, alloy steel pipe fittings have the characteristics of good dimensional stability and easy installation, which can meet the needs of different occasions and improve the efficiency of engineering construction.

• Manufacturing process and working principle of alloy steel pipe fittings

The manufacturing process of alloy steel pipe fittings usually includes processes such as material preparation, forging or cold stamping, and heat treatment. The working principle is to change the direction of the pipeline to achieve fluid steering and maintain the normal operation of the pipeline system.

• ASTM A234 WP92 standard technical conditions for alloy steel pipe fittings

Steel grade: WP92
Chemical composition,%:
C: 007-0.13
Mn: 0.30-0.60
P: ≤ 0.020
S: ≤ 0.010
Si: ≤ 0.50
Cr: 8.5-9.5
Mo: 0.30-0.60
Ni: ≤ 0.40
Al: ≤ 0.02
B: 0.001-0.006
Nb: 0.04-0.09
N: 0.030-0.070
Ti: ≤ 0.01
W: 1.50-2.00
V: 0.15-0.25
Zr: ≤ 0.01
Tensile performance:
Tensile strength, MPa: 620-840
Yield strength, MPa: ≥ 440
Elongation rate:
Standard circular or proportional small-sized specimens,% in 4 D: longitudinal ≥ 20, transverse ≥ 13
Hardness: ≤ 269 HB
Heat treatment:
Normalizing and tempering. The normalizing temperature range is 1040 ° C-1080 ° C, and the tempering temperature range is 730 ° C-800 ° C.

• Alloy steel—Pipe fittings

• Application

Our company can produce carbon steel, stainless steel, and alloy steel pipe fittings according to standards such as ASME/ANSI, JIS, DIN, ISO etc. The varieties include equal diameter tees, reducing tees, tees, elbows, cross, concentric reducer, eccentric reducer etc. We provide the very best quality pipe and fittings, prompt delivery and reliable services at competitive prices.