Product Overview: SA-213 T22 Seamless Boiler Pipe
SA-213 T22 seamless boiler pipe is a Cr-Mo alloy steel tube widely used in high-temperature and high-pressure environments such as:
Power plant boilers
Superheaters and reheaters
Heat exchangers
Pressure piping systems
Typical Characteristics of SA-213 T22 Seamless Boiler Pipe
Standard: ASTM A213 / ASME SA-213
Steel Grade: T22 (2.25Cr-1Mo)
Main Advantage: Excellent heat resistance and creep strength
Application Temperature Range: Typically up to 540°C
At Union Steel Industry, this type of boiler pipe is regularly supplied for industrial projects where dimensional consistency and traceable inspection records are required.
Inspection Report Summary
This report documents a real pre-shipment inspection conducted by Union Steel Industry for a batch of SA-213 T22 seamless boiler pipes.
|
PRODUCT NAME
|
STEEL GRADE
|
SPECIFICATION
|
THEORETICAL
WEIGHT
|
REQUESTED QTY
|
|
OD
(mm)
|
WT
(mm)
|
L
(m)
|
Ton/Meter
|
Meter
|
PCS
|
CBM
|
Tons
|
|
SMLS BOILER PIPE
|
SA-213 T22
|
63.0
|
6.3
|
6.00
|
0.0106
|
60.00
|
10
|
0.24
|
0.64
|
Inspection Activities and Results
|
SR.No
|
Inspection Activity
|
Results
|
|
1
|
Visual inspection at 100%
|
Acceptable
|
|
2
|
Marking inspection at 100%
|
Not yet
|
|
3
|
Dimension inspection atO.D.&W.T.&length
5 pcs - 12.4meter
|
Acceptable
|
|
4
|
Package inspection at 100%
|
Not yet
|
Measured Data (5 Samples)
|
Standard&grade :
SA-213 T22
|
O.D.Tolerance：
|
0.4-0.8mm
|
|
W.T.Tolerance：
|
0, +22%
|
|
Length Tolerance：
|
0/-20MM
|
|
Inspection data：
|
Specification：
|
O.D mm
|
W.T mm
|
Length mm
|
Result
|
|
|
‚
|
|
‚
|
|
‚
|
Pass/Fail
|
Comments
|
|
1
|
63
|
/
|
7.04
|
7.06
|
12470-12520
|
/
|
PASS
|
W.T.+11%
|
|
2
|
63.2
|
/
|
7.40
|
7.34
|
12470-12520
|
/
|
PASS
|
W.T.+16%
|
|
3
|
63.25
|
/
|
7.42
|
7.46
|
12470-12520
|
/
|
PASS
|
W.T.+18%
|
|
4
|
63.24
|
/
|
7.21
|
7.35
|
12470-12520
|
/
|
PASS
|
W.T.+15%
|
|
5
|
63
|
/
|
7.23
|
7.22
|
12470-12520
|
/
|
PASS
|
W.T.+14%
|
|
Surface coating：
|
Result：
|
bare
|
|
Pipe end cap：
|
Result：
|
bevel end(will cut into 6 meter each)
|
|
Marking：
|
Result：
|
not yet
|
|
Package :
|
Result：
|
loose（will be packed in wooden package）
|
|
Conclusion
|
1，Appearance：
|
A neat appearance
|
|
2，Size：
|
Acceptable
|
|
3，Quantity：
|
5 steel pipes above 12M on site
|
|
4，Marking :
|
Not do marking yet
|
- Visual Checking
- Marking Checking
The marking will be done before shipment, and the photos will be sent by next Monday.
- Dimension Checking
- Package Checking
The pipes will be packed into wooden cases during the shipment.
Inspection Conclusion
Based on on-site inspection conducted by Union Steel Industry:
Appearance: Neat and acceptable
Dimensions: All within tolerance, 100% pass
Quantity: 5 pipes (>12m) verified
Marking & Packaging: To be completed before shipment
Final Status
This batch of SA-213 T22 seamless boiler pipes is qualified for delivery after marking and packaging.
Final Note
At Union Steel Industry, every batch of seamless boiler pipes is supported by real inspection data, not just specifications.
This ensures that clients receive products that are not only compliant on paper, but also verified in actual measurement.
FAQ
Q1: Is the wall thickness higher than 6.3 mm acceptable?
Yes. The allowed tolerance is up to +22%, and all measured values comply.
Q2: Why are pipes supplied at ~12m length first?
They are produced in long lengths and then cut to required sizes (6m) before shipment.
Q3: Will marking be done before delivery?
Yes. Union Steel Industry completes marking before shipment to ensure traceability.
Q4: What is the key inspection factor for boiler pipes?
Wall thickness and dimensional accuracy, as they directly impact pressure performance.
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