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JIS G3131 SPHC steel work / steel structure / steel machining parts

JIS G3131 SPHC steel work / steel structure / steel machining parts

SPHC steel structure is usually used in automotive manufacturing, electric products, vehicles, aviation. For more information about SPHC steel structure or you want to find a SPHC steel structure exporter , please contact us!
0086-21-61182423
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SPHC steel under standard JIS G3131 is mainly used as stamping and cold forming steels. SPHC steel is the main material for manufacturing SPHC steel work / steel structure / steel machining parts.

SPHC steel work Chemical composition

Grade

The Element Max (%)

SPHC steel work

C

Si

Mn

P

S

≤0.15

≤0.05

≤0.60

≤0.035

≤0.035

Alt

Cu

Ti

 

 

≥0.010

 

 

 

 

SPHC steel machining parts Mechanical properties

Annealing hardness
HBS

Cold pull hardness
HBS

Preheating temperature

Quenching temperature

Holding time
min

Hardening medium

Temper temperature

After tempering hardness
≥HRC

salt-bath furnace

controlled atmoSPHEre furnace

235

262

788

1191

1204

5~15

air cooling

522

60

SPHC steel structure Hardness and heat treatment specification

Steel plate/Sheet
thickness / mm

σb
MPa

σs
≥/MPa

δ
Samples from the standard for 50 mm (2 in)

180 ° of cold bending test

longitudinal

horizontal

Hot-rolled/Cold rolling:5 - 150

520

415

16~18

2a

3.5a

The applicable thickness for SPHC material as defined in the JIS 3131 starts from 1.2 mm to 14 mm. The width of SPHC material ranges to 2000 mm. We can supply many specifications of SPHC steel structure based on the customer's requirement.

SPHC steel structure 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)

SPHC steel structure is usually used in automotive manufacturing, electric products, vehicles, aviation. For more information about SPHC steel structure or you want to find a SPHC steel structure exporter , please contact us!

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0086-18317160019
[email protected]
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