Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | 1000 tons per month |
| Delivery Time | Depends on quantity |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case |
| Standard Specification | ASTM A335 / ASME SA-335 |
| Material Designation | P11 / Grade P11 |
| Optional NDT | UT, RT, PMI, Hardness Test |
| Manufacturing Process | Seamless (SMLS) |
| End Preparation | Plain End / Beveled End |
| Size Range (NPS) | 1/2" to 24" |
| Wall Thickness | SCH 40, 80, 160, XXS |
| Service Environment | High-Temperature Piping Systems |
| Brand Name | YUHONG |
| Model Number | ASTM A335 P11 Seamless Pipe |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHIAN |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 1000 tons per month |
| Delivery Time | Depends on quantity | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case |
| Standard Specification | ASTM A335 / ASME SA-335 | Material Designation | P11 / Grade P11 |
| Optional NDT | UT, RT, PMI, Hardness Test | Manufacturing Process | Seamless (SMLS) |
| End Preparation | Plain End / Beveled End | Size Range (NPS) | 1/2" to 24" |
| Wall Thickness | SCH 40, 80, 160, XXS | Service Environment | High-Temperature Piping Systems |
| Brand Name | YUHONG | Model Number | ASTM A335 P11 Seamless Pipe |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHIAN |
| High Light | ASTM A335 P11 seamless pipe ，high-temperature alloy steel tube ，petrochemical power plant piping | ||
ASTM A335 P11 seamless pipe is a chromium-molybdenum alloy steel designed for high-temperature service. Key characteristics:
Maximum percentages unless range specified
| Element | Composition (%) | ASTM A335 Requirement |
|---|---|---|
| Carbon | 0.05 - 0.15 | 0.05 - 0.15 |
| Manganese | 0.30 - 0.60 | 0.30 - 0.60¹ |
| Phosphorus | ≤0.025 | ≤0.025 |
| Sulfur | ≤0.025 | ≤0.025 |
| Silicon | 0.50 - 1.00 | 0.50 - 1.00 |
| Chromium | 1.00 - 1.50 | 1.00 - 1.50 |
| Molybdenum | 0.44 - 0.65 | 0.44 - 0.65 |
Global material cross-references
| Standard | Equivalent Grade | Note |
|---|---|---|
| EN | 13CrMo4-5 | EN 10216-2 |
| DIN | 13CrMo44 | DIN 17175 |
| JIS | STPA23 | JIS G3458 |
| GOST | 15KhM | GOST 550-75 |
| UNS Number | K11597 | Unified Numbering System |
Minimum requirements per ASTM A335
| Property | Value | Test Method |
|---|---|---|
| Tensile Strength | ≥415 MPa (60,000 psi) | ASTM A370 |
| Yield Strength | ≥205 MPa (30,000 psi) | ASTM A370 |
| Elongation | ≥30% (2" gauge length) | ASTM A370 |
| Hardness | ≤197 HBW / 92 HRB | ASTM E18/E10 |
| Heat Treatment | Full Anneal / Normalize & Temper | Mandatory |
Compliant with ASME B36.10M
| Parameter | Tolerance | Standard Reference |
|---|---|---|
| Outer Diameter (NPS ≤4) | ±0.79 mm (0.031") | ASME B36.10 |
| Outer Diameter (NPS >4) | +0.25% / -0.12% of OD | ASME B36.10 |
| Wall Thickness | +20% / -12.5% of nominal wall | ASTM A335 |
| Straightness | ≤0.2% of length | ASTM A530 |
| Length (Random) | 6-7 m (±100 mm) | Commercial practice |
High-performance service environments
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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