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ASTM A691 Grade 91 CR Alloy steel pipe
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ASTM A691 Grade 91 CR Alloy steel pipe
ASTM A691 Grade 91 CR
ASTM A691 Grade 91 CR is a grade of ASTM A691 standard,ASTM A691 Standard Specification for for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures.
ASTM A691 Grade 91 CR Alloy Steel Pipe
ASTM A691 91 CR Alloy Steel Welded Pipe also known as Seamless Alloy Steel Pipes "Chrome Moly" ASTM A/ASME SA335 Gr. 91CR. ASTM A691 Gr.91CR Alloy Steel Welded Pipe is High Temperature Pipes and Tubes & available in form of Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils and Hydraulic Tubes.
ASTM A691 Grade 91 CR Alloy Steel Pipe Manufactor
beite steel pipe supply Alloy Steel Pipe for many years, every year sell more than 800 tons of Alloy Steel Pipe.
beite steel pipe has already provided a series of High Pressure Alloy Steel Pipe, including: ASTM A691 Grade 1-1/4 CR Alloy steel pipe,ASTM A691 Grade 2-1/4 CR Alloy steel pipe,ASTM A691 Grade 5 CR Alloy steel pipe,ASTM A691 Grade 9 CR Alloy steel pipe,ASTM A691 Grade 91 CR Alloy steel pipe.
We can customize and innovate the ASTM A691 Grade 91 CR Alloy steel pipe with advanced technology. Our all ASTM A691 Grade 91 CR Alloy steel pipes are tested in accordance to internationally recognized standards or our own more stringent internal test procedures, which is developed considering the harsh field conditions. Tension test, flattening test, flaring test, hardness test, hydrostatic or nondestructive electric test be made on specimens.
We place importance not just on managing material sales, but also on 'before' and 'after service'. We offer consulting services to our customers for helping them figure out their specific requirements so that they make the right choice.
ASTM A691 Grade 91 CR Alloy Steel Pipe Quick Details
Company Name: beite steel pipe
Country/Region: China
Product Name：ASTM A691 Grade 91 CR Alloy Steel Pipe
FOB Price: US $1221-2000 / Ton | 1 Ton/Tons (Min. Order)
Port of Shipment：Tianjin,China
Payment：L/C or T/T
Delivery: 7-15 days after payment
Package：Standard export package,suit for all kinds of transport, or as required
ASTM A691 Grade 91 CR Alloy Steel Pipe Dimensional Range & Specification
Outside Diameter：12.7mm——228.8mm
Wall thickness：3.0mm——18mm
Length：6000mm、12000m or specified length as required.
ASTM A691 Grade 91 CR Alloy Steel Pipe Chemical Composition(%)
| Grade | Chemical Composition(%) | |||||||
| C | Mn | P | S | Si | Cr | Mo | V | |
| Grade 91 CR | ≤0.15 | 0.30-0.60 | ≤0.025 | ≤0.025 | ≤1.00 | 8.00-10.00 | 0.90-1.10 | ≤0.04 |
ASTM A691 Grade 91 CR Alloy Steel Pipe Mechanical & Physical Properties
| Grade | Mechanical property | |||||||
| Tensile Strength(MPa) | Yield Strength(MPa) | Elongation(%) | ||||||
| Grade 91 CR | 415-585 | ≥205 | ≥18 | |||||
Tests and Inspection Of ASTM A691 Grade 91 CR Alloy steel pipe
Flattening Test
Flaring Test
Hardness Test
Hydrostatic or Nondestruction Electric Test ( Eddy Current and Ultrasonic Testing)
Quality Control Of ASTM A691 Grade 91 CR Alloy steel pipe
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.
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