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Home ProductsSeamless Steel TubeJIS G3445 Carbon Steel Tubes For Machine Structural Purposes
JIS G3445 Carbon Steel Tubes For Machine Structural Purposes
JIS G3445 Carbon Steel Tubes For Machine Structural Purposes JIS G3445 Carbon Steel Tubes For Machine Structural Purposes JIS G3445 Carbon Steel Tubes For Machine Structural Purposes
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JIS G3445 Carbon Steel Tubes For Machine Structural Purposes

Minimum Order Quantity : 3 tons Price : negotiable
Packaging Details : packing in wooden boxes or in hexagonal bundles Delivery Time : 30-35 days
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram Supply Ability : 60000 Ton per year
Place of Origin: ZheJiang,CHINA Brand Name: TORICH
Certification: ISO9001; ISO14001; TSI16949 Model Number: JIS G3445

Detail Information
Product Name: JIS G3445 Carbon Steel Tubes For Machine Structural Purposes Product Keyword: Carbon Steel Pipe
Grade: STKM 11A, STKM 12A, STKM 12C, STKM 12B, STKM 13A, STKM 13B, STKM 13C Application: For Machinery, Automobiles, Bicycles, Furniture, Appliances
Secondary: Non-secondary Section Shape: Round
High Light:

JIS G3445 Carbon Steel Tubes

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JIS G3445 carbon steel pipes

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STKM 11A Carbon Steel Tubes

Product Description

JIS G3445 Carbon steel tubes for machine structural purposes

Type: Seamless and welded carbon steel pipes

Application: For machinery, automobiles, bicycles, furniture, appliances

Technique: Cold-finished, hot-finished, ERW

Product Description

Chemical composition:

Grade Designation Unit %
C Si Mn P S Nb or V
Grade 11 A STKM 11A 0.12 max. 0.35 max. 0.60 max. 0.040 max. 0.040 max. –
Grade 12 A STKM 12A 0.20 max. 0.35 max. 0.60 max. 0.040 max. 0.040 max. –
B STKM 12B
C STKM 12C
Grade 13 A STKM 13A 0.25 max. 0.35 max. 0.30~0.90 0.040 max. 0.040 max. –
B STKM 13B
C STKM 13C
Grade 14 A STKM 14A 0.30 max. 0.35 max. 0.30~1.00 0.040 max. 0.040 max. –
B STKM 14B
C STKM 14C
Grade 15 A STKM 15A 0.25~0.35 0.35 max. 0.30~1.00 0.040 max. 0.040 max. –
C STKM 15C
Grade 16 A STKM 16A 0.35~0.45 0.40 max. 0.40~1.00 0.040 max. 0.040 max. –
C STKM 16C
Grade 17 A STKM 17A 0.45~0.55 0.40 max. 0.40~1.00 0.040 max. 0.040 max. –
C STKM 17C
Grade 18 A STKM 18A 0.18 max. 0.55 max. 1.50 max. 0.040 max. 0.040 max. –
B STKM 18B
C STKM 18C
Grade 19 A STKM 19A 0.25 max. 0.55 max. 1.50 max. 0.040 max. 0.040 max. –
C STKM 19C
Grade 20 A STKM 20A 0.25 max. 0.55 max. 1.60 max. 0.040 max. 0.040 max. 0.15 max.

 

Mechanical proporties:

Designation Tensile Strength

 

MPa{ksi}

 Yield
point or proof
MPa{ksi}		 Elongation % Flattening strength
Distance between flat plates (H)
(D is outside dia. of the tube)		 Bending strength
No. 4, No. 4, Bend angle Inside radius
No. 11 No. 5 (D is outside dia. of the tube)
No. 12 test pieces Transverse direction
test pieces Longitudinal direction  
STKM11A 290{30} min. – 35 min. 30 min. 1/2 D 180 4 D
STKM12A 340{35} min. 175{18} min. 35 min. 30 min. 2/3 D 90 6 D
STKM12B 390{40} min. 275{28} min. 25 min. 20 min. 2/3 D 90 6 D
STKM12C 470{48} min. 355{36} min. 20 min. 15 min. – – –
STKM13A 370{38} min. 215{22} min. 30 min. 25 min. 2/3 D 90 6 D
STKM13B 440{45} min. 305{31} min. 20 min. 15 min. 3/4 D 90 6 D
STKM13C 510{52} min. 380{39} min. 15 min. 10 min. – – –
STKM14A 410{42} min. 245{25} min. 25 min. 20 min. 3/4 D 90 6 D
STKM14B 500{51} min. 355{36} min. 15 min. 10 min. 7/8 D 90 8 D
STKM14C 550{56} min. 410{42} min. 15 min. 10 min. – – –
STKM15A 470{48} min. 275{28} min. 22 min. 17 min. 3/4 D 90 6 D
STKM15C 580{59} min. 430{44} min. 12 min. 7 min. – – –
STKM16A 510{52} min. 325{33} min. 20 min. 15 min. 7/8 D 90 8 D
STKM16C 620{63} min. 460{47} min. 12 min. 7 min. – – –
STKM17A 550{56} min. 345{35} min. 20 min. 15 min. 7/8 D 90 8 D
STKM17C 650{66} min. 480{49} min. 10 min. 5 min. – – –
STKM18A 440{45} min. 275{28} min. 25 min. 20 min. 7/8 D 90 6 D
STKM18B 490{50} min. 315{32}min. 23 min. 18 min. 7/8 D 90 8 D
STKM18C 510{52} min. 380{39} min. 15 min. 10 min. – – –
STKM19A 490{50} min. 315{32} min. 23 min. 18 min. 7/8 D 90 6 D
STKM19C 550{56} min. 410{42} min. 15 min. 10 min. – – –
STKM20A 540{55} min. 390{40} min. 23 min. 18 min. 7/8 D 90 6 D
 

Appearance:

  • The tubes shall be practically straight. and the two ends shall be at right angles to the axis of the tube
  • The tubes shall be free from defects detrimental to practical use.
  • The surface finish of the tubes, when especially specified shall be agreed upon by the purchaser and the manufacturer.

Product show:

IMG_20160525_122527

IMG_1542

IMG_20150828_103107

FAQ

Q: Are you trading company or manufacturer?

A: We are a professional steel pipes materials manufacturer.

 

Q: How long is your delivery time?

A: Generally it takes 7-14 days if the goods are in stock or 30-60 days if there is no stock, this mainly depends on quantity.

 

Q: Do you provide free samples?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

 

Q: What is your terms of payment?

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us.

Tag:

precision stainless steel tubing

seamless steel pipe

seamless carbon steel tube

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