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Stainless Steel Seamless Pipe

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[China]

Address: 5F, Building #32, No.518 Xinzhuan Rd, Songjiang District, Shanghai, P.R.China 201612

Contact name:Annie Wang

Shanghai Bozhong Metal Group Co., Ltd.

Stainless Steel Seamless Pipe

Country/Region	china
City & Province	shanghai shanghai

Product Details

Similar Standards

Chinese	American	German	Swedish	Japanese	Japanese
GB	AISI	DIN	ASSAB	JIS	DAIDO
4Cr13	420	1.2083	S136	SUS420J2	S-STAR

Chemical Composition

Grades	C	Si	Mn	P	Mo	Ni	V	Cr
1.2083	0.38-0.45	≤1.0	≤1.0	≤0.03	/	2.5-3.5	/	12.0-13.5
420	0.16-0.25	≤1.0	≤1.0	≤0.04	/	≤0.75	/	12.0-14.0
4Cr13	0.36-0.45	≤0.6	≤0.8	≤0.035	/	≤0.6	/	12.0-14.0
S136	0.34-0.42	0.6-1.3	/	≤0.030	0.30-0.55		0.15-0.40	13.0-14.5

Heat Treatment

Quenching			Tempering
Heating Temperature/ºC	Cooling	Hardness/HRC	Heating Temperature/ºC	Cooling	Hardness/HRC
1000-1050	Oil	52-55	200-300	Air	50-53

Mechanical properties editing
● Mechanical properties: Hardness: Annealing, ≤201HB, indentation diameter 3.9 ～ 4.3mm; quenching, ≥50HRC
● Heat treatment specifications and metallographic structure:
Heat treatment specifications:

1) Annealing, slow cooling at 800 ～ 900 ℃ or quick cooling at about 750 ℃;

2) Quenching, oil cooling at 1050 ～ 1100 ℃
3) Tempering, quick cooling at 200 ～ 300 ℃.
Metallographic structure: The structure is characterized by martensite.

shape	round square rectangular hollow section
surface	black bright 2B finished BA finished
heat treatment	as per client's requirement

1. Our Service For You
Pre-sale Service
1. Sample can be offered with sample charge and courier fee by buyer's side.
2. We have full stock,and can deliver within short time.Many styles for your choices.
3. OEM and ODM order are accepted, Any kind of logo printing or design are available.
4. Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you
5. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
6. We have 8 year experience of design, manufacture and sell lingerie, we cherish every order from our honor.

After you choose
1. We will count cheapest shipping cost and make invoice to you at once.
2. Check quality again, then send out to you at 1-2 working day after your payment,
3. Email you the tracking no, and help to chase the parcels until it arrive you.

After-sale choose
1. We are very glad that customer give us some suggestion for price and products.
2. If any question,please contact with us freely by E-mail or Telephone.