| Customization: | Available |
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| After-sales Service: | 24 Hours on Line |
| Warranty: | 1 Year |
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According to ASTM213/A213M-85C, the chemical composition of T91 steel is shown in Table 1.
The German steel grade corresponding to T91 steel is X10CrMoVNNb91, the Japanese steel grade is HCM95, and the French steel grade is
Table 1 Chemical Composition of T91 Steel% 2 Heat Treatment Process
The final heat treatment of T91 is normalizing+high-temperature tempering, with a normalizing temperature of 1040 ºC and a holding time of not less than 10 minutes. The tempering temperature is 730-780 ºC and the holding time is not less than 1 hour. The final microstructure after heat treatment is tempered martensite.
Mechanical properties
The tensile strength of T91 steel at room temperature is ≥ 585 MPa, the yield strength at room temperature is ≥ 415 MPa, the hardness is ≤ 250 HB, the elongation (standard circular specimen with a gauge length of 50 mm) is ≥ 20%, and the allowable stress value [σ] is 650 ºC=30 MPa.
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Product Name
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Carbon steel pipe
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Size Tolerance
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±1%
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OD
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10-2500 mm
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Wall Thickness
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Cold rolled:1~4.0mm
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Hot rolled:4mm~200mm
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Length
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1-12M
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Technology
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Hot roll, cold roll, cold drawn, ect.
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Material
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T91 P91 P22 A355 P9 P11 4130 42CrMo 15CrMo St37 C45 Sch40 A53
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Standards
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API 5L, ASTM A53-2007, ASTM A671-2006, ASTM A252-1998, ASTM A450-1996, ASME B36.10M-2004, ASTM A523-1996, BS 1387, BS EN10296, BS
6323, BS 6363, BS EN10219, GB/T 3091-2001, GB/T 13793-1992, GB/T9711
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Certifications
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MTC ISO9001
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Packing
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Industry standard packaging or according to client's requirement
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Payment
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T/T,L/C,Western Union,Paypal,Apple Pay,Google Pay,D/A,D/P,MoneyGram
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Delivery time
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Usually 15 working days, your purchase volume determines our delivery time
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Q1: Why choose us?
A: Our company, as an internationally experienced and professional supplier, has been engaged in steel business for more than ten years. We can provide a variety of steel products with high quality to our clients.
Q2: Can you provide OEM/ODM service?
A: Yes. Please feel free to contact us for more details.
Q3:What is your terms of payment?
A: 100% T/T advance.
30% T/T and balance against copy of documents.
30% T/T advance, balance L/C at sight.
Q4: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
Q5: Can you provide sample?
A: Yes. Sample is free for regular sizes, but the buyer needs to pay freight cost.
Q6: How long is your delivery time?
A: Regular lead time is 15 to 30 days after receiving deposit.
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