New Delivery for High Pressure Boiler Seamless Steel Pipe

We know that we only thrive if we can guarantee our combined price tag competiveness and top quality advantageous at the same time for New Delivery for High Pressure Boiler Seamless Steel Pipe, Accurate process devices, Advanced Injection Molding Equipment, Equipment assembly line, labs and software progress are our distinguishing feature. We know that we only thrive if we can guarantee our combined price tag competiveness and top quality advantageous at the same time for Pressure Boiler Pipe, seamless steel pipe, As an experienced factory we also accept customized order and make it same as your picture or sample specifying specification and customer design packing. The main goal of the company is to live a satisfactory memory to all the customers, and establish a long term win-win business relationship. For more information, please contact us. And It is our great pleasure if you like to have a personally meeting in our office.

Overview

Application

It is mainly used to make high-quality carbon structural steel, alloy structural steel and stainless heat-resistant steel seamless steel pipes for high pressure and above steam boiler pipes.

Main Grade

Grade of high-quality carbon structural steel: 20g、20mng、25mng Grade of alloy structural steel15mog、20mog、12crmog、15crmog、12cr2mog、12crmovg、12cr3movsitib, etc Grade of rust-resistant heat-resistant steel1cr18ni9     1cr18ni11nb

Chemical Component

No	Grade	Chemical Component %
		C	Si	Mn	Cr	Mo	V	Ti	B	Ni	Alt	Cu	Nb	N	W	P	S
1	20G	0.17- 0.23	0.17- 0.37	0.35- 0.65	≤ 0.25	≤ 0.15	≤ 0.08	—	—	≤ 0.25	—	≤ 0.20	—	—	—	≤ 0.025	≤ 0.015
2	20MnG	0.17- 0.23	0.17- 0.37	0.70- 1.00	≤ 0.25	≤ 0.15	≤ 0.08	—	—	≤ 0.25	—	≤ 0.20	—	—	—	≤ 0.025	≤ 0.015
3	25MnG	0.22- 0.27	0.17- 0.37	0.70- 1.00	≤ 0.25	≤ 0.15	≤ 0.08	—	—	≤ 0.25	—	≤ 0.20	—	—	—	≤ 0.025	≤ 0.015
4	15MoG	0.12- 0.20	0.17- 0.37	0.40- 0.80	≤ 0.30	0.25- 0.35	≤ 0.08	—	—	≤ 0.30	—	≤ 0.20	—	—	—	≤ 0.025	≤ 0.015
6	12CrMoG	0.08- 0.15	0.17- 0.37	0.40- 0.70	0.40- 0.70	0.40- 0.65	≤ 0.08	—	—	≤ 0.30	—	≤ 0.20	—	—	—	≤ 0.025	≤ 0.015
7	15CrMoG	0.12- 0.18	0.17- 0.37	0.40- 0.70	0.80- 1.10	0.40- 0.55	≤ 0.08	—	—	≤ 0.30	—	≤ 0.20	—	—	—	≤ 0.025	≤ 0.015
8	12Cr2MoG	0.08- 0.15	≤ 0.50	0.40- 0.60	2.00- 2.50	0.90- 1.13	≤ 0.08	—	—	≤ 0.30	—	≤ 0.20	—	—	—	≤ 0.025	≤ 0.015
9	12Cr1MoVG	0.08- 0.15	0.17- 0.37	0.40- 0.70	0.90- 1.20	0.25- 0.35	0.15- 0.30	—	—	≤ 0.30	—	≤ 0.20	—	—	—	≤ 0.025	≤ 0.015
10	12Cr2MoWVTiB	0.08- 0.15	0.45- 0.75	0.45- 0.65	1.60- 2.10	0.50- 0.65	0.28- 0.42	0.08- 0.18	0.002- 0.008	≤ 0.30	—	≤ 0.20	—	—	0.30- 0.55	≤ 0.025	≤ 0.015
11	10Cr9Mo1VNbN	0.08- 0.12	0.20- 0.50	0.30- 0.60	8.00- 9.50	0.85- 1.05	0.18- 0.25	≤ 0.01	—	≤ 0.40	≤ 0.020	≤ 0.20	0.06- 0.10	0.030- 0.070	—	≤ 0.020	≤ 0.010
12	10Cr9MoW2VNbBN	0.07- 0.13	≤ 0.50	0.30- 0.60	8.50- 9.50	0.30- 0.60	0.15- 0.25	≤ 0.01	0.0010- 0.0060	≤ 0.40	≤ 0.020	≤ 0.20	0.40- 0.09	0.030- 0.070	1.50- 2.00	≤ 0.020	≤ 0.010

Note：Alt Is Holo-Al Content 2 Grade 08Cr18Ni11NbFG Of “FG” Is Mean Fine Grain,A. No Special Request, Can Not Add Other Chemical Compinent B.Grade 20G Of Alt ≤ 0.015%, No Working Request, But Should Be Showing On MTC

Mechanical Property

No	Grade	Mechanical Property
		Tensile MPa	Yield MPa	Extend L/T	Impect (J) Vertical/ Horizontal	Handness HB
1	20G	410- 550	≥ 245	24/22%	40/27	—
2	20MnG	415- 560	≥ 240	22/20%	40/27	—
3	25MnG	485- 640	≥ 275	20/18%	40/27	—
4	15MoG	450- 600	≥ 270	22/20%	40/27	—
6	12CrMoG	410- 560	≥ 205	21/19%	40/27	—
7	15CrMoG	440- 640	≥ 295	21/19%	40/27	—
8	12Cr2MoG	450- 600	≥ 280	22/20%	40/27	—
9	12Cr1MoVG	470- 640	≥ 255	21/19%	40/27	—
10	12Cr2MoWVTiB	540- 735	≥ 345	18/-%	40/-	—
11	10Cr9Mo1VNbN	≥ 585	≥ 415	20/16%	40/27	≤ 250
12	10Cr9MoW2VNbBN	≥ 620	≥ 440	20/16%	40/27	≤ 250

Test Requirement

In addition to ensuring chemical composition and mechanical properties, hydrostatic tests are performed one by one, and flaring and flattening tests are performed. . In addition, there are certain requirements for the microstructure, grain size, and decarburization layer of the finished steel pipe.

Supply Ability

Supply Ability: 2000 Tons Per Month Per Grade of GB/T5310-2017 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

Seamless Steel Tubes For High-Pressure Boilers

GB/T5310-2017

ASME SA-106/SA-106M-2015

ASTMA210(A210M)-2012

ASME SA-213/SA-213M

ASTM A335/A335M-2018