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


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HIC steel plate/sheet

Name:HIC steel plate/sheet

Material:HIC steel

Standard:ASTM, ASME, EN, JIS, DIN

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

Price:FOB, CIF, CFR

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

PaymentTerms:100% payment aganist B/L documents

MinimumOrderQuantity:flexible trial order

HIC steel plate


HIC (Hydrogen Induced Cracking) is the result of a corrosive reaction between carbon steel and hydrogen sulphide.Working conditions where wet  H2S prevails are often described as sour service conditions and the term sour gas can be also be used in this context. As more fields rich in H2S are exploited, and this is increasingly the case, the problem is increasingly significant for equipment fabricated in potentially sensitive carbon-manganese (C-Mn) steels.HIC resistant steel is manufactured via the electric arc furnace with desulphurisation, dephosphorisation, ladle refining and vacuum degassing to provide an ultra clean and homogeneous steel. HIC steel is particularly suited for pressure equipment where wet H2S corrosion can be a problem. Our typical HIC steel grades: ASME/ASTM A516Gr60, A516Gr65, A516Gr70, welcome your enquiry!

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 HIC steel sheet


Max Ceq 0.41% <= 50mm, 0.43% > 50mm
Max S  0.001%, P  0.008%, Nb  0.015%, V  0.005%, O  0.002%

All material is made with an Electric Arc Furnace, fully killed, vacuum degassed, with fine grain.

Mechanical properties of HIC steel


Mechanical and HIC tests after simulated PWHT at 610°C (2 min/mm).
Ambient tensile properties as per standard.

Charpy impact test longitudinal and transverse direction

  • At -51°C for thickness <= 25mm (20J average /16J individual)

  • At -46°C for thickness >25mm (41J average /34J individual)


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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