China Factory steel pipe seamless steel pipe seamless carbon steel pipe sizes Manufacturer and Supplier

Factory steel pipe seamless steel pipe seamless carbon steel pipe sizes

Short Description:

ASTM A335 standard high Temperature boiler pipe seamless alloy pipe with IBR certifiaction

Seamless alloy pipe for boiler ,heat exchanger etc industry

Payment: 30% deposit, 70% L/C or B/L copy or 100% L/C at sight

Min.Order Quantity: 1 PC

Supply Ability: Annual 20000 Tons Inventory of Steel Pipe

Lead Time: 7-14 days if in stock, 30-45 days to produce

Packing: Black Vanishing, bevel and cap for every single pipe; OD below 219mm need to pack in bundle, and each bundle no exceed 2 tons.

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Product Detail

Product Tags

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 1,P2,P5,P9,P11,P22,P91,P92 etc

Chemical Component

Grade	UN	C≤	Mn	P≤	S≤	Si≤	Cr	Mo
Grade	Sequiv.	C≤	Mn	P≤	S≤	Si≤	Cr	Mo
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
Grade	P5, P9, P11, and P22	Normalizing Temperature Range F [C]	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.