OEM Supply China Professional Supply ASTM A335 P22 P91 ASTM A213 ASME SA213 T22 T91 Seamless Alloy Steel Pipe
With this motto in mind, we've come to be one of quite possibly the most technologically innovative, cost-efficient, and price-competitive manufacturers for A335 P22 P91, Alloy Pipe, Boiler Pipe, seamless steel pipe, More than 26 years, Skilled companies from all over the world take us as their long-term and stable partners. We are keeping durable business relationship with more than 200 wholesalers in Japan, Korea, USA, UK, Germany, Canada, France, Italian, Poland, South Africa, Ghana, Nigeria etc.
Overview
Application
It is mainly used to make high-quality alloy steel boiler pipe , heat exchanged pipe, high pressure steam pipe for petroleum and chemical industry
Main Grade
Grade of high-quality alloy pipe :P1,P2,P5,P9,P11,P22,P91,P92 etc
Chemical Component
| Grade | UN | C≤ | Mn | P≤ | S≤ | Si≤ | Cr | Mo |
| Sequiv. | ||||||||
| P1 | K11522 | 0.10~0.20 | 0.30~0.80 | 0.025 | 0.025 | 0.10~0.50 | – | 0.44~0.65 |
| P2 | K11547 | 0.10~0.20 | 0.30~0.61 | 0.025 | 0.025 | 0.10~0.30 | 0.50~0.81 | 0.44~0.65 |
| P5 | K41545 | 0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.5 | 4.00~6.00 | 0.44~0.65 |
| P5b | K51545 | 0.15 | 0.30~0.60 | 0.025 | 0.025 | 1.00~2.00 | 4.00~6.00 | 0.44~0.65 |
| P5c | K41245 | 0.12 | 0.30~0.60 | 0.025 | 0.025 | 0.5 | 4.00~6.00 | 0.44~0.65 |
| P9 | S50400 | 0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.50~1.00 | 8.00~10.00 | 0.44~0.65 |
| P11 | K11597 | 0.05~0.15 | 0.30~0.61 | 0.025 | 0.025 | 0.50~1.00 | 1.00~1.50 | 0.44~0.65 |
| P12 | K11562 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.5 | 0.80~1.25 | 0.44~0.65 |
| P15 | K11578 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 1.15~1.65 | – | 0.44~0.65 |
| P21 | K31545 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.5 | 2.65~3.35 | 0.80~1.60 |
| P22 | K21590 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.5 | 1.90~2.60 | 0.87~1.13 |
| P91 | K91560 | 0.08~0.12 | 0.30~0.60 | 0.02 | 0.01 | 0.20~0.50 | 8.00~9.50 | 0.85~1.05 |
| P92 | K92460 | 0.07~0.13 | 0.30~0.60 | 0.02 | 0.01 | 0.5 | 8.50~9.50 | 0.30~0.60 |
A New designation established in accordance with Practice E 527 and SAE J1086, Practice for Numbering Metals and Alloys (UNS). B Grade P 5c shall have a titanium content of not less than 4 times the carbon content and not more than 0.70 %; or a columbium content of 8 to 10 times the carbon content.
Mechanical Property
| Mechanical properties | P1,P2 | P12 | P23 | P91 | P92,P11 | P122 |
| Tensile strength | 380 | 415 | 510 | 585 | 620 | 620 |
| Yield strength | 205 | 220 | 400 | 415 | 440 | 400 |
Heat Treatment
| Grade | Heat Treatment Type | Normalizing Temperature Range F [C] | Subcritical Annealing or Tempering |
| P5, P9, P11, and P22 | Temperature Range F [C] | ||
| A335 P5 (b,c) | Full or Isothermal Anneal | ||
| Normalize and Temper | ***** | 1250 [675] | |
| Subcritical Anneal (P5c only) | ***** | 1325 – 1375 [715 - 745] | |
| A335 P9 | Full or Isothermal Anneal | ||
| Normalize and Temper | ***** | 1250 [675] | |
| A335 P11 | Full or Isothermal Anneal | ||
| Normalize and Temper | ***** | 1200 [650] | |
| A335 P22 | Full or Isothermal Anneal | ||
| Normalize and Temper | ***** | 1250 [675] | |
| A335 P91 | Normalize and Temper | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
| Quench and Temper | 1900-1975 [1040 - 1080] | 1350-1470 [730 - 800] |
Test Requirement
In addition to ensuring chemical composition and mechanical properties, hydrostatic tests are performed one by one, Nondestructive Examination ,Product Analysis , Metal Structure and Etching Tests ,Flattening test etc.
Supply Ability
Supply Ability: 2000 Tons Per Month Per Grade of ASTM A335 Alloy Steel Pipe
Packaging
In Bundles And In Strong Wooden Box
Delivery
7-14 days if in stock, 30-45 days to produce
Payment
30% depsoit, 70% L/C or B/L copy or 100% L/C at sight
Product Detail
Boiler Tube
GB/T5310-2017
ASME SA-106/SA-106M-2015
ASTMA210(A210M)-2012
ASME SA-213/SA-213M
