Our company specializes in alloy steel pipe export trade for many years. Our factory is located in Cangzhou City, Hebei Province.The factory has a variety of steel pipe inventories all year round. P5,P9,P11,P12,P22,P91,P92.
We've got our personal profits workforce, design and style team, technical group, QC crew and package workforce. We have now strict good quality handle procedures for each process. Also, all of our workers are experienced in printing subject for
Boiler Pipe,
boiler pipe A335,
Boiler Steel Pipe,
boiler steel pipe A335,
Boiler Steel Tube,
Boiler Tube,
high pressure boiler pipe,
high pressure boiler pipe A335,
high pressure boiler steel pipe,
high pressure boiler steel pipe A335,
high pressure boiler steel tube,
high pressure pipe A335,
high pressure steel pipe,
high pressure steel pipe A335,
Steel Pipe A335, Our faith is to be honest first, so we just supply high quality goods to our customers. Actually hope that we can be business partners. We believe that we can establish long time business relationship with each other. You can contact us freely for more information and pricelist of our merchandise ! You will be Unique with our hair merchandise !!
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