SB450 steel plate/sheet - Henan Seed Steel Metal Materials Co., Ltd.


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SB450 steel plate/sheet

Name:SB450 steel plate/sheet

Material:SB450

Standard:JIS G3103

Thickness:Thickness: 6-80mm, Width: 1360-3000mm, Length: 6000-12000mm

Price:FOB/CIF/CFR

DeliveryTime:15-30days,7days for ready products

PaymentTerms:100%payment against B/L copy, the original documents will be mailed after payment received

MinimumOrderQuantity:flexible trial order

SB450 steel plate/sheet


JIS G3103 SB450 steel is a kind ofmaterial for boiler and pressure vessel steel. JIS G 3103 SB 450 steel ischaracterized by a minimum yield strength of 220 - 295 MPa and by goodweldability. So JIS G 3103 SB 450 steel is mainly used to  formanufacturing boilers, pressure vessels and pipes transporting hot liquids.

Delivery condition


AR(As Hot Rolled), N(Normalized), T(Tempered), Q(Quenched), TMCP, Q+T(Quenched and Tempered), UT(Ultrasonic Test: ASTM A435,  ASTM A578-C/B/A, EN10160-S0E1, S1E2, S2E3, S3E4), Impact Test, PWHT(Post Weld Heat Treatment), HIC, Z Test(Z15, Z25, Z35)

Chemical Composition of SB450 boiler steel


GradeC. %Mn.%S.NCuNbTi.Si.P.ALCr.Mo.NiVi
SB4500.08-0.20.90-1.500.0150.0120.300.0200.030.400.0250.0200.300.080.300.02

Mechanical Properties of SB450


GradeTypeThickness mmYield strength Mpa(min)Tensile Strength  MPaElongation % (min)Impact Energy (KVJ) (min)
-20°+20
SB450Normalized≤16 16 > to≤40 40 > to≤60 60 > to≤100 100 > to≤150 150 > to≤250295460-58021273440
290460-58021273440
285460-58021273440
260460-58021273440
235440-57021273440
220430-57021273440

Steel products delivery guarantee:

1. According to the standard of container shipment.

2. Steel packaging is moistureproof and abrasionproof.

3. The ship is low safety risk, arrives quickly, and delivery in time.


1.DO you have factory?

We act as main distributors of goverment owned mills, and we have our own machining centers for cutting and simple machining jobs.

2.Where is your factory?

Our representative mills located in Henan, Shangdong, Jiangxi, Guangdong provinces,etc.

3.Can you send us the sample?

It should be according to our stock status and samples are available when we have suitable stocks.

4.How about the delivery time?

Normally we can keep 40 days in average with mill run schedule, for stocks within 10 days. All delivery terms are on basis to Chinese loading port.

5.What payment terms can you accept?

T/T or L/C. For special requests about the payment, please indicate us first then we will check the availability.

7, What is your MOQ?

MOQ for mill run should meet 5tons per size in normal condtions, which should follow the schedules of our mills when inquiry time.

8, What is your shipping port?

Tianjin, Shanghai, Qingdao, etc. All loading ports in China are ok for us.

9,Could i visit the factory by myself?

Surely you can, please inform us your plan in advance so we can arrange some people to take you have a look around our mills/ factories.

10.Can you give me the Manufactory Test Certificate?

For sure we can supply some samples for your reference.



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