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By certification 
ASTM A234 WP11/WP22/WP91 Alloy steel Concentric reducer
The type of BW Fittings |
Concentric reducer |
Materials Standard |
ASTM A234/234M |
Production Standard |
ASME B16.9/ANSI B16.9 |
Delivery time |
As per the quantity of order |
Diameter |
1/2”-2500MM |
Wall Thickness |
SCH10S-50mm |
The tolerance of WT |
﹣87.5%/﹢12.5% |
Application |
Gas ans oil ,petroleum,Hydraulic and so on |
Surface Finishing |
Black Paint or Anti-rust Paint |
Connection |
Seamless/Welded |
Technics |
Butt-welding |
Material |
Alloy Steel A234WP11/WP22/WP91 |
Delivery Port |
Shanghai Port |
Application |
Chemical processing, transport and storage, Oil and Gas exploration and processing equipment, Marine and other high chloride environments, Pulp and paper digesters, liquor tanks and paper machines. |
CHEMICAL PROPERTIES:
Grade |
C |
Mn |
P |
S |
Si |
WP11 CL-1 |
0.05-0.15 |
0.30-0.60 |
≤0.030 |
≤0.030 |
0.50-1.00 |
WP22 CL-1 |
0.05-0.15 |
0.30-0.60 |
≤0.040 |
≤0.040 |
≤0.50 |
WP91 |
0.08-0.12 |
0.30-0.60 |
≤0.020 |
≤0.010 |
0.10-0.50 |
Grade |
Cr |
Cu |
Mo |
Ni |
V |
WP11 CL-1 |
1.0-1.50 |
/ |
0.44-0.65 |
/ |
/ |
WP22 CL-1 |
1.90-2.60 |
/ |
0.87-1.13 |
/ |
/ |
WP91 |
8.5-10.5 |
0.90-1.1 |
≤0.40 |
0.18-0.25 |
MECHANICAL PROPERTIES:
Grade |
Ultimate Tensile Strength ,psi Minimum |
Yield Strength,ksi Minimum |
Elongation Percent |
HB Max |
WP11 CL-1 |
415-585 |
≥205 |
≥20 |
≤197 |
WP22 CL-1 |
415-585 |
≥205 |
≥30 |
≤197 |
WP91 |
620-840 |
≥440 |
≥20 |
≤197 |
Chainmill Industry is known as one of the professional astm a234 wp11/wp22/wp91 alloy steel concentric reducer manufacturers who can offer you various steel products at competitive price. And various sizes are available. You can choose the one you need.
