Factory Price Oem Heat Exchanger A179 Alloy Steel Pipe

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Overview

Application

Seamless steel tubes for petroleum cracking are applicable to seamless steel tubes for furnace tubes, heat exchange tubes and pressure pipes in petrochemical industry.

Main Grade

Grade of high-quality carbon structural steel:  10#、20#

Chemical Component

No	Grade	Chemical Component %
		C	Si	Mn	Cr	Mo	Ni	Nb	Ti	V	Cu	P	S
												≤
High quality carbon structural steel	10	0. 07-0.13	0.17 -0. 37	0.35 -0.65	<0.15	<0.15	<0. 25	—	—	<0. 08	<0. 20	0. 025	0. 015
	20	0.17-0. 23	0.17 -0. 37	0.35 -0.65	<0. 25	<0.15	<0. 25	—	—	<0. 08	<0. 20	0. 025	0. 015
Alloy structural steel	12CrMo	0. 08-0.15	0.17 -0.37	0. 40-0. 70	0. 40-0. 70	0. 40 -0.55	<0. 30	—	—	一	<0. 20	0. 025	0. 015
	15CrMo	0.12 -0.18	0.17-0. 37	0.40 -0. 70	0. 80-1.1	0. 40-0.55	<0. 30	—	—	一	<0. 20	0. 025	0. 015
	12CrlMo	0. 08 -0.15	0.50 -1. 00	0. 30-0.6	1.00-1. 50	0.45 -0.65	<0. 30	—	—	—	<0, 20	0. 025	0. 015
	12CrlMoV	0. 08-0.15	0.17-0. 37	0. 40-0. 70	0.90-1.2	0. 25 -0.35	<0. 30	—	—	0.15 -0. 30	<0. 20	0.025	0. 010
	12Cr2Mo	0.08-0.15	<0. 50	0. 40-0. 60	2. 00-2. 50	0. 90-1.13	<0. 30	—	—	一	<0. 20	0. 025	0. 015
	12Cr5MoI	<0.15	<0. 50	0.30-0.6	4. 00-6	0. 45 -0. 60	<0. 60		—	—	<0. 20	0. 025	0. 015
	12Cr5MoNT
	12Cr9MoI	<0.15	0. 25-1. 00	0. 30-0. 60	8.00 -10. 00	0. 90-1.1	<0. 60	—	—	—	<0. 20	0. 025	0, 015
	12Cr9MoNT
Stainless heat resistant steel	07Crl9Nil0	0. 04-0.1	<1. 00	<2. 00	18. 00-20. 00	—	8. 00-11	—	—	—	—	0. 030	0. 015
	07Crl8NillNb	0. 04-0.1	<1. 00	<2. 00	17. 00-19. 00	—	9.00-12. 00	8C-1.1	—	—	—	0. 030	0. 015
	07Crl9NillTi	0. 04-0.1	<0. 75	<2. 00	17.00-20. 00	—	9. 00~13. 00	—	4C-0. 60	一	一	0.03	0. 015
	022Crl7Nil2Mo2	<0. 030	<1. 00	<2. 00	16. 00-18. 00	2. 00-3. 00	10. 00 -14. 00	—	一	一	—	0.03	0. 015

Mechanical Property

No	Tensile MPa	Yield MPa	Elong after fracture A/%		Shork absorption energy kv2/j		Brinell hardness number
			portrait	transver	portrait	transver
		not less than					no more than
10	335〜475	205	25	23	40	27
20	410〜550	245	24	22	40	27
12CrMo	410〜560	205	21	19	40	27	156 HBW
15CrMo	440〜640	295	21	19	40	27	170 HBW
12CrlMo	415〜560	205	22	20	40	27	163 HBW
12CrlMoV	470〜640	255	21	19	40	27	179 HBW
12Cr2Mo	450~600	280	22	20	40	27	163 HBW
12Cr5MoI	415〜590	205	22	20	40	27	163 HBW
12Cr5MoNT	480〜640	280	20	18	40	27	—
12Cr9MoI	460〜640	210	20	18	40	27	179 HBW
12Cr9MoNT	590—740	390	18	16	40	27
O7Crl9NilO	2520	205	35				187 HBW
07Crl8NillNb	>520	205	35			—	187 HBW
07Crl9NillTi	>520	205	35		—	—	187 HBW
022Crl7Nil2Mo2	>485	170	35		一	—	187 HBW
For steel with wall thickness less than 5mm tube do not make hardness experiment

Test Requirement

In addition to ensuring the chemical composition and mechanical properties, hydraulic test shall be carried out one by one, low power inspection shall be carried out for steel pipes directly rolled with ingots, and intergranular corrosion test shall be carried out for stainless (heat-resistant) steel pipes.

Supply Ability

Supply Ability: 2000 Tons Per Month Per Grade of petroleum cracking seamless 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

 mechanical/Chemical&Fertilizer Pipes

GB/T8162-2008

 ASTM_A519-2006

 BS EN 10210-1-2006

 ASTM A53A53M-2012

 GB9948-2006

GB6479-2013

 GB/T 17396-2009