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Shandong Witsteel International Trading Co., Ltd.Shandong Witsteel International Trading Co., Ltd.

Round Steel Billets For Pipe/Tube Manufacture

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Round Steel Billets For Pipe/Tube Manufacture

  • FOB Price: 400-800 USD / ton
  • MOQ: 10 ton
  • Supply Capability: 1000 ton / day
  • Port: Tianjin/Qindao/Shanghai Port
  • Packaging: In bundle or as per customer's requirements

Details

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Chemical composition, Mechanical Property

JB/T10854-2008

 HT/LZ200

 HT/LZ250

HT/LZ300 

 QT/LZ450-10 

QT/LZ500-7 

QT/LZ600-3 

QT/LZ700-2 

JIS

FC200

FC250

FC300

FCD450

FCD500

FCD600

FCD700

chemical   composition

C

2.8-3.85

2.8-3.8

2.8-3.8

3.0-3.9

3.0-3.9

3.0-3.9

3.0-3.9

Si

2.0-3.2

2.0-3.2

2.0-3.2

2.0-3.4

2.0-3.4

2.0-3.2

2.0-3.2

Mn

0.3-0.8

0.3-0.8

0.3-0.8

0.1-0.4

0.2-0.4

0.2-0.6

0.2-0.8

P

≤0.15

≤0.15

≤0.15

≤0.05

≤0.05

≤0.05

≤0.05

S

≤0.12

≤0.12

≤0.1

≤0.03

≤0.03

≤0.03

≤0.03

Mg

-

-

-

0.02-0.1

0.02-0.1

0.02-0.1

0.02-0.1

Mechanical   properties

Tensile   strength Mpa

≥180

≥220

≥260

30≤D≤120
  ≥450;
  125≤D≤350
  ≥400

30≤D≤120
  ≥500;
  125≤D≤350
  ≥420 

30≤D≤120
  ≥600;
  875≤D≤350
  ≥550

30≤D≤120   ≥700;125≤D≤350 ≥650

Hardness   HB

140-190

170-220

180-260

130-180

140-200

150-220

180-260

Elongation%

-

-

-

30≤D≤120
  ≥10;
  125≤D≤350
  ≥7

30≤D≤120
  ≥7;
  125≤D≤350
  ≥5

30≤D≤120
  ≥3;
  125≤D≤350
  ≥2

30≤D≤120
  ≥2;
  125≤D≤350
  ≥1